Commit Graph

1216452 Commits

Author SHA1 Message Date
Linus Torvalds
cbf3a2cb15 More NFS Client Bugfixes for Linux 6.6-rc
Stable Fix:
   * Revert "SUNRPC dont update timeout value on connection reset"
   * NFSv4: Fix a state manager thread deadlock regression
 
 Bugfixes:
   * Fix a potential NULL pointer dereference in nfs_inode_remove_request()
   * Fix a rare NULL pointer dereference in xs_tcp_tls_setup_socket()
   * Fix long delay before failing a TLS mount when server does not support TLS
   * Fix various NFS state manager issues
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Merge tag 'nfs-for-6.6-3' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client fixes from Anna Schumaker:
 "Stable fixes:
   - Revert "SUNRPC dont update timeout value on connection reset"
   - NFSv4: Fix a state manager thread deadlock regression

  Fixes:
   - Fix potential NULL pointer dereference in nfs_inode_remove_request()
   - Fix rare NULL pointer dereference in xs_tcp_tls_setup_socket()
   - Fix long delay before failing a TLS mount when server does not
     support TLS
   - Fix various NFS state manager issues"

* tag 'nfs-for-6.6-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  nfs: decrement nrequests counter before releasing the req
  SUNRPC/TLS: Lock the lower_xprt during the tls handshake
  Revert "SUNRPC dont update timeout value on connection reset"
  NFSv4: Fix a state manager thread deadlock regression
  NFSv4: Fix a nfs4_state_manager() race
  SUNRPC: Fail quickly when server does not recognize TLS
2023-10-03 12:13:10 -07:00
Linus Torvalds
7cccbeca90 regulator: Fixes for v6.6
Two things here, one is an improved fix for issues around freeing
 devices when registration fails which replaces a half baked fix with a
 more complete one which uses the device model release() function
 properly.  The other fix is a device specific fix for mt6358, the driver
 said that the LDOs supported mode configuration but this is not actually
 the case and could cause issues.
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Merge tag 'regulator-fix-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "Two things here, one is an improved fix for issues around freeing
  devices when registration fails which replaces a half baked fix with a
  more complete one which uses the device model release() function
  properly.

  The other fix is a device specific fix for mt6358, the driver said
  that the LDOs supported mode configuration but this is not actually
  the case and could cause issues"

* tag 'regulator-fix-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator/core: Revert "fix kobject release warning and memory leak in regulator_register()"
  regulator/core: regulator_register: set device->class earlier
  regulator: mt6358: split ops for buck and linear range LDO regulators
2023-10-03 11:59:46 -07:00
Linus Torvalds
cdcb5d194f regmap: Fix for v6.4
A fix for a long standing issue where when we create a new node in an
 rbtree register cache we were failing to convert the register address
 of the new register into a bitmask correctly and marking the wrong
 register as being present in the newly created node.  This would only
 have affected devices with a register stride other than 1 but would
 corrupt data on those devices.
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Merge tag 'regmap-fix-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fix from Mark Brown:
 "A fix for a long standing issue where when we create a new node in an
  rbtree register cache we were failing to convert the register address
  of the new register into a bitmask correctly and marking the wrong
  register as being present in the newly created node.

  This would only have affected devices with a register stride other
  than 1 but would corrupt data on those devices"

* tag 'regmap-fix-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: rbtree: Fix wrong register marked as in-cache when creating new node
2023-10-03 11:57:37 -07:00
Jens Axboe
e680a14aec Merge tag 'md-fixes-20231003' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.6
Pull MD fix from Song.

* tag 'md-fixes-20231003' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
  md/raid5: release batch_last before waiting for another stripe_head
2023-10-03 12:26:15 -06:00
Linus Torvalds
5e62ed3b1c SCSI fixes on 20231003
Three fixes, all in drivers.  The fnic one is the most extensive
 because the little used user initiated device reset path never tagged
 the command and adding a tag is rather involved.  The other two fixes
 are smaller and more obvious.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three fixes, all in drivers.

  The fnic one is the most extensive because the little used user
  initiated device reset path never tagged the command and adding a tag
  is rather involved. The other two fixes are smaller and more obvious"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: zfcp: Fix a double put in zfcp_port_enqueue()
  scsi: fnic: Fix sg_reset success path
  scsi: target: core: Fix deadlock due to recursive locking
2023-10-03 10:15:10 -07:00
Jens Axboe
223ef47431 io_uring: don't allow IORING_SETUP_NO_MMAP rings on highmem pages
On at least arm32, but presumably any arch with highmem, if the
application passes in memory that resides in highmem for the rings,
then we should fail that ring creation. We fail it with -EINVAL, which
is what kernels that don't support IORING_SETUP_NO_MMAP will do as well.

Cc: stable@vger.kernel.org
Fixes: 03d89a2de2 ("io_uring: support for user allocated memory for rings/sqes")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-10-03 09:59:58 -06:00
David Jeffery
2fd7b0f6d5 md/raid5: release batch_last before waiting for another stripe_head
When raid5_get_active_stripe is called with a ctx containing a stripe_head in
its batch_last pointer, it can cause a deadlock if the task sleeps waiting on
another stripe_head to become available. The stripe_head held by batch_last
can be blocking the advancement of other stripe_heads, leading to no
stripe_heads being released so raid5_get_active_stripe waits forever.

Like with the quiesce state handling earlier in the function, batch_last
needs to be released by raid5_get_active_stripe before it waits for another
stripe_head.

Fixes: 3312e6c887 ("md/raid5: Keep a reference to last stripe_head for batch")
Cc: stable@vger.kernel.org # v6.0+
Signed-off-by: David Jeffery <djeffery@redhat.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231002183422.13047-1-djeffery@redhat.com
2023-10-03 08:53:09 -07:00
Jeremy Cline
dfc7f7a988 net: nfc: llcp: Add lock when modifying device list
The device list needs its associated lock held when modifying it, or the
list could become corrupted, as syzbot discovered.

Reported-and-tested-by: syzbot+c1d0a03d305972dbbe14@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=c1d0a03d305972dbbe14
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: 6709d4b7bc ("net: nfc: Fix use-after-free caused by nfc_llcp_find_local")
Link: https://lore.kernel.org/r/20230908235853.1319596-1-jeremy@jcline.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-03 07:39:31 -07:00
Parthiban Veerasooran
8957261cd8 ethtool: plca: fix plca enable data type while parsing the value
The ETHTOOL_A_PLCA_ENABLED data type is u8. But while parsing the
value from the attribute, nla_get_u32() is used in the plca_update_sint()
function instead of nla_get_u8(). So plca_cfg.enabled variable is updated
with some garbage value instead of 0 or 1 and always enables plca even
though plca is disabled through ethtool application. This bug has been
fixed by parsing the values based on the attributes type in the policy.

Fixes: 8580e16c28 ("net/ethtool: add netlink interface for the PLCA RS")
Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230908044548.5878-1-Parthiban.Veerasooran@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-03 07:18:58 -07:00
Jens Axboe
1658633c04 io_uring: ensure io_lockdep_assert_cq_locked() handles disabled rings
io_lockdep_assert_cq_locked() checks that locking is correctly done when
a CQE is posted. If the ring is setup in a disabled state with
IORING_SETUP_R_DISABLED, then ctx->submitter_task isn't assigned until
the ring is later enabled. We generally don't post CQEs in this state,
as no SQEs can be submitted. However it is possible to generate a CQE
if tagged resources are being updated. If this happens and PROVE_LOCKING
is enabled, then the locking check helper will dereference
ctx->submitter_task, which hasn't been set yet.

Fixup io_lockdep_assert_cq_locked() to handle this case correctly. While
at it, convert it to a static inline as well, so that generated line
offsets will actually reflect which condition failed, rather than just
the line offset for io_lockdep_assert_cq_locked() itself.

Reported-and-tested-by: syzbot+efc45d4e7ba6ab4ef1eb@syzkaller.appspotmail.com
Fixes: f26cc95935 ("io_uring: lockdep annotate CQ locking")
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-10-03 08:12:54 -06:00
Jens Axboe
f8024f1f36 io_uring/kbuf: don't allow registered buffer rings on highmem pages
syzbot reports that registering a mapped buffer ring on arm32 can
trigger an OOPS. Registered buffer rings have two modes, one of them
is the application passing in the memory that the buffer ring should
reside in. Once those pages are mapped, we use page_address() to get
a virtual address. This will obviously fail on highmem pages, which
aren't mapped.

Add a check if we have any highmem pages after mapping, and fail the
attempt to register a provided buffer ring if we do. This will return
the same error as kernels that don't support provided buffer rings to
begin with.

Link: https://lore.kernel.org/io-uring/000000000000af635c0606bcb889@google.com/
Fixes: c56e022c0a ("io_uring: add support for user mapped provided buffer ring")
Cc: stable@vger.kernel.org
Reported-by: syzbot+2113e61b8848fa7951d8@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-10-03 08:12:28 -06:00
Kai Uwe Broulik
cbb7eb2dbd drm: panel-orientation-quirks: Add quirk for One Mix 2S
The One Mix 2S is a mini laptop with a 1200x1920 portrait screen
mounted in a landscape oriented clamshell case. Because of the too
generic DMI strings this entry is also doing bios-date matching.

Signed-off-by: Kai Uwe Broulik <foss-linux@broulik.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231001114710.336172-1-foss-linux@broulik.de
2023-10-03 12:06:08 +01:00
Peter Zijlstra
650cad561c sched/eevdf: Fix avg_vruntime()
The expectation is that placing a task at avg_vruntime() makes it
eligible. Turns out there is a corner case where this is not the case.

Specifically, avg_vruntime() relies on the fact that integer division
is a flooring function (eg. it discards the remainder). By this
property the value returned is slightly left of the true average.

However! when the average is a negative (relative to min_vruntime) the
effect is flipped and it becomes a ceil, with the result that the
returned value is just right of the average and thus not eligible.

Fixes: af4cf40470 ("sched/fair: Add cfs_rq::avg_vruntime")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2023-10-03 12:32:29 +02:00
Peter Zijlstra
2f2fc17bab sched/eevdf: Also update slice on placement
Tasks that never consume their full slice would not update their slice value.
This means that tasks that are spawned before the sysctl scaling keep their
original (UP) slice length.

Fixes: 147f3efaa2 ("sched/fair: Implement an EEVDF-like scheduling policy")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20230915124822.847197830@noisy.programming.kicks-ass.net
2023-10-03 12:32:29 +02:00
Gustavo A. R. Silva
eea03d18af qed/red_ll2: Fix undefined behavior bug in struct qed_ll2_info
The flexible structure (a structure that contains a flexible-array member
at the end) `qed_ll2_tx_packet` is nested within the second layer of
`struct qed_ll2_info`:

struct qed_ll2_tx_packet {
	...
        /* Flexible Array of bds_set determined by max_bds_per_packet */
        struct {
                struct core_tx_bd *txq_bd;
                dma_addr_t tx_frag;
                u16 frag_len;
        } bds_set[];
};

struct qed_ll2_tx_queue {
	...
	struct qed_ll2_tx_packet cur_completing_packet;
};

struct qed_ll2_info {
	...
	struct qed_ll2_tx_queue tx_queue;
        struct qed_ll2_cbs cbs;
};

The problem is that member `cbs` in `struct qed_ll2_info` is placed just
after an object of type `struct qed_ll2_tx_queue`, which is in itself
an implicit flexible structure, which by definition ends in a flexible
array member, in this case `bds_set`. This causes an undefined behavior
bug at run-time when dynamic memory is allocated for `bds_set`, which
could lead to a serious issue if `cbs` in `struct qed_ll2_info` is
overwritten by the contents of `bds_set`. Notice that the type of `cbs`
is a structure full of function pointers (and a cookie :) ):

include/linux/qed/qed_ll2_if.h:
107 typedef
108 void (*qed_ll2_complete_rx_packet_cb)(void *cxt,
109                                       struct qed_ll2_comp_rx_data *data);
110
111 typedef
112 void (*qed_ll2_release_rx_packet_cb)(void *cxt,
113                                      u8 connection_handle,
114                                      void *cookie,
115                                      dma_addr_t rx_buf_addr,
116                                      bool b_last_packet);
117
118 typedef
119 void (*qed_ll2_complete_tx_packet_cb)(void *cxt,
120                                       u8 connection_handle,
121                                       void *cookie,
122                                       dma_addr_t first_frag_addr,
123                                       bool b_last_fragment,
124                                       bool b_last_packet);
125
126 typedef
127 void (*qed_ll2_release_tx_packet_cb)(void *cxt,
128                                      u8 connection_handle,
129                                      void *cookie,
130                                      dma_addr_t first_frag_addr,
131                                      bool b_last_fragment, bool b_last_packet);
132
133 typedef
134 void (*qed_ll2_slowpath_cb)(void *cxt, u8 connection_handle,
135                             u32 opaque_data_0, u32 opaque_data_1);
136
137 struct qed_ll2_cbs {
138         qed_ll2_complete_rx_packet_cb rx_comp_cb;
139         qed_ll2_release_rx_packet_cb rx_release_cb;
140         qed_ll2_complete_tx_packet_cb tx_comp_cb;
141         qed_ll2_release_tx_packet_cb tx_release_cb;
142         qed_ll2_slowpath_cb slowpath_cb;
143         void *cookie;
144 };

Fix this by moving the declaration of `cbs` to the  middle of its
containing structure `qed_ll2_info`, preventing it from being
overwritten by the contents of `bds_set` at run-time.

This bug was introduced in 2017, when `bds_set` was converted to a
one-element array, and started to be used as a Variable Length Object
(VLO) at run-time.

Fixes: f5823fe689 ("qed: Add ll2 option to limit the number of bds per packet")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/ZQ+Nz8DfPg56pIzr@work
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 10:33:17 +02:00
Shigeru Yoshida
e9c6598992 net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg
syzbot reported the following uninit-value access issue:

=====================================================
BUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]
BUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482
CPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]
 smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482
 usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737
 usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374
 really_probe+0xf20/0x20b0 drivers/base/dd.c:529
 driver_probe_device+0x293/0x390 drivers/base/dd.c:701
 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807
 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431
 __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:920
 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491
 device_add+0x3b0e/0x40d0 drivers/base/core.c:2680
 usb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241
 usb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272
 really_probe+0xf20/0x20b0 drivers/base/dd.c:529
 driver_probe_device+0x293/0x390 drivers/base/dd.c:701
 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807
 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431
 __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:920
 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491
 device_add+0x3b0e/0x40d0 drivers/base/core.c:2680
 usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576
 process_one_work+0x1688/0x2140 kernel/workqueue.c:2269
 worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415
 kthread+0x551/0x590 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

Local variable ----buf.i87@smsc75xx_bind created at:
 __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]
 smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]
 smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482
 __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]
 smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]
 smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482

This issue is caused because usbnet_read_cmd() reads less bytes than requested
(zero byte in the reproducer). In this case, 'buf' is not properly filled.

This patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads
less bytes than requested.

Fixes: d0cad87170 ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver")
Reported-and-tested-by: syzbot+6966546b78d050bb0b5d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=6966546b78d050bb0b5d
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230923173549.3284502-1-syoshida@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 10:19:29 +02:00
Ilya Maximets
9593c7cb6c ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
Commit b0e214d212 ("netfilter: keep conntrack reference until
IPsecv6 policy checks are done") is a direct copy of the old
commit b59c270104 ("[NETFILTER]: Keep conntrack reference until
IPsec policy checks are done") but for IPv6.  However, it also
copies a bug that this old commit had.  That is: when the third
packet of 3WHS connection establishment contains payload, it is
added into socket receive queue without the XFRM check and the
drop of connection tracking context.

That leads to nf_conntrack module being impossible to unload as
it waits for all the conntrack references to be dropped while
the packet release is deferred in per-cpu cache indefinitely, if
not consumed by the application.

The issue for IPv4 was fixed in commit 6f0012e351 ("tcp: add a
missing nf_reset_ct() in 3WHS handling") by adding a missing XFRM
check and correctly dropping the conntrack context.  However, the
issue was introduced to IPv6 code afterwards.  Fixing it the
same way for IPv6 now.

Fixes: b0e214d212 ("netfilter: keep conntrack reference until IPsecv6 policy checks are done")
Link: https://lore.kernel.org/netdev/d589a999-d4dd-2768-b2d5-89dec64a4a42@ovn.org/
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230922210530.2045146-1-i.maximets@ovn.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 09:49:24 +02:00
Hangbin Liu
4b2b606075 ipv4/fib: send notify when delete source address routes
After deleting an interface address in fib_del_ifaddr(), the function
scans the fib_info list for stray entries and calls fib_flush() and
fib_table_flush(). Then the stray entries will be deleted silently and no
RTM_DELROUTE notification will be sent.

This lack of notification can make routing daemons, or monitor like
`ip monitor route` miss the routing changes. e.g.

+ ip link add dummy1 type dummy
+ ip link add dummy2 type dummy
+ ip link set dummy1 up
+ ip link set dummy2 up
+ ip addr add 192.168.5.5/24 dev dummy1
+ ip route add 7.7.7.0/24 dev dummy2 src 192.168.5.5
+ ip -4 route
7.7.7.0/24 dev dummy2 scope link src 192.168.5.5
192.168.5.0/24 dev dummy1 proto kernel scope link src 192.168.5.5
+ ip monitor route
+ ip addr del 192.168.5.5/24 dev dummy1
Deleted 192.168.5.0/24 dev dummy1 proto kernel scope link src 192.168.5.5
Deleted broadcast 192.168.5.255 dev dummy1 table local proto kernel scope link src 192.168.5.5
Deleted local 192.168.5.5 dev dummy1 table local proto kernel scope host src 192.168.5.5

As Ido reminded, fib_table_flush() isn't only called when an address is
deleted, but also when an interface is deleted or put down. The lack of
notification in these cases is deliberate. And commit 7c6bb7d2fa
("net/ipv6: Add knob to skip DELROUTE message on device down") introduced
a sysctl to make IPv6 behave like IPv4 in this regard. So we can't send
the route delete notify blindly in fib_table_flush().

To fix this issue, let's add a new flag in "struct fib_info" to track the
deleted prefer source address routes, and only send notify for them.

After update:
+ ip monitor route
+ ip addr del 192.168.5.5/24 dev dummy1
Deleted 192.168.5.0/24 dev dummy1 proto kernel scope link src 192.168.5.5
Deleted broadcast 192.168.5.255 dev dummy1 table local proto kernel scope link src 192.168.5.5
Deleted local 192.168.5.5 dev dummy1 table local proto kernel scope host src 192.168.5.5
Deleted 7.7.7.0/24 dev dummy2 scope link src 192.168.5.5

Suggested-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230922075508.848925-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 09:00:40 +02:00
Amir Goldstein
c7242a45cb ovl: fix NULL pointer defer when encoding non-decodable lower fid
A wrong return value from ovl_check_encode_origin() would cause
ovl_dentry_to_fid() to try to encode fid from NULL upper dentry.

Reported-by: syzbot+2208f82282740c1c8915@syzkaller.appspotmail.com
Fixes: 16aac5ad1f ("ovl: support encoding non-decodable file handles")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-10-03 09:24:11 +03:00
Linus Torvalds
ce36c8b149 This pull request contains the following fix for UBI:
- Don't try to attach MTDs with erase block size 0
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Merge tag 'ubifs-for-linus-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI fix from Richard Weinberger:

 - Don't try to attach MTDs with erase block size 0

* tag 'ubifs-for-linus-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubi: Refuse attaching if mtd's erasesize is 0
2023-10-02 14:10:46 -07:00
Linus Torvalds
a9c2be4f37 libnvdimm fixes for v6.6-rc5
- Fix incorrect calculation of idt size in NFIT
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Merge tag 'libnvdimm-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fix from Dave Jiang:

 - Fix incorrect calculation of idt size in NFIT

* tag 'libnvdimm-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  ACPI: NFIT: Fix incorrect calculation of idt size
2023-10-02 13:52:47 -07:00
Linus Torvalds
8f1b460037 IOMMU Fixes for Linux v6.6-rc4
Including:
 
 	- Arm SMMU fixes from Will Deacon:
 	  - Fix TLB range command encoding when TTL, Num and Scale are all zero
 	  - Fix soft lockup by limiting TLB invalidation ops issued by SVA
 	  - Fix clocks description for SDM630 platform in arm-smmu DT binding
 
 	- Intel VT-d fix from Lu Baolu:
 	  - Fix a suspend/hibernation problem in iommu_suspend()
 
 	- Mediatek driver: Fix page table sharing for addresses over 4GiB
 
 	- Apple/Dart: DMA_FQ handling fix in attach_dev()
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Merge tag 'iommu-fixes-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:

 - Arm SMMU fixes from Will Deacon:
     - Fix TLB range command encoding when TTL, Num and Scale are all zero
     - Fix soft lockup by limiting TLB invalidation ops issued by SVA
     - Fix clocks description for SDM630 platform in arm-smmu DT binding

 - Intel VT-d fix from Lu Baolu:
     - Fix a suspend/hibernation problem in iommu_suspend()

 - Mediatek driver: Fix page table sharing for addresses over 4GiB

 - Apple/Dart: DMA_FQ handling fix in attach_dev()

* tag 'iommu-fixes-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Avoid memory allocation in iommu_suspend()
  iommu/apple-dart: Handle DMA_FQ domains in attach_dev()
  iommu/mediatek: Fix share pgtable for iova over 4GB
  iommu/arm-smmu-v3: Fix soft lockup triggered by arm_smmu_mm_invalidate_range
  dt-bindings: arm-smmu: Fix SDM630 clocks description
  iommu/arm-smmu-v3: Avoid constructing invalid range commands
2023-10-02 10:39:12 -07:00
Geert Uytterhoeven
5d007ffdf6 of: overlay: Reorder struct fragment fields kerneldoc
The fields of the fragment structure were reordered, but the kerneldoc
was not updated.

Fixes: 81225ea682 ("of: overlay: reorder fields in struct fragment")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/cfa36d2bb95e3c399c415dbf58057302c70ef375.1695893695.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-02 11:34:23 -05:00
Sven Frotscher
1948fa6472
ASoC: amd: yc: Fix non-functional mic on Lenovo 82YM
Like the Lenovo 82TL, 82V2, 82QF and 82UG, the 82YM (Yoga 7 14ARP8)
requires an entry in the quirk list to enable the internal microphone.
The latter two received similar fixes in commit 1263cc0f41
("ASoC: amd: yc: Fix non-functional mic on Lenovo 82QF and 82UG").

Fixes: c008323fe3 ("ASoC: amd: yc: Fix a non-functional mic on Lenovo 82SJ")
Cc: stable@vger.kernel.org
Signed-off-by: Sven Frotscher <sven.frotscher@gmail.com>
Link: https://lore.kernel.org/r/20230927223758.18870-1-sven.frotscher@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-10-02 16:17:44 +01:00
Antoine Gennart
e930bea412
ASoC: tlv320adc3xxx: BUG: Correct micbias setting
The micbias setting for tlv320adc can also have the value '3' which
means that the micbias ouput pin is connected to the input pin AVDD.

Signed-off-by: Antoine Gennart <gennartan@disroot.org>
Link: https://lore.kernel.org/r/20230929130117.77661-1-gennartan@disroot.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-10-02 16:17:43 +01:00
Fabio Estevam
57db57ae15 dt-bindings: display: fsl,imx6-hdmi: Change to 'unevaluatedProperties: false'
fsl,imx6-hdmi.yaml makes a reference to synopsys,dw-hdmi.yaml.

The 'interrupts' and 'reg' properties are described in synopsys,dw-hdmi.yaml,
so use 'unevaluatedProperties: false' so that these two properties can
be accepted.

This fixes the following schema warnings:

hdmi@120000: 'interrupts', 'reg' do not match any of the regexes: 'pinctrl-[0-9]+'
from schema $id: http://devicetree.org/schemas/display/imx/fsl,imx6-hdmi.yaml#

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230930130102.798822-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-10-02 09:58:59 -05:00
Amir Goldstein
a535116d80 ovl: make use of ->layers safe in rcu pathwalk
ovl_permission() accesses ->layers[...].mnt; we can't have ->layers
freed without an RCU delay on fs shutdown.

Fortunately, kern_unmount_array() that is used to drop those mounts
does include an RCU delay, so freeing is delayed; unfortunately, the
array passed to kern_unmount_array() is formed by mangling ->layers
contents and that happens without any delays.

The ->layers[...].name string entries are used to store the strings to
display in "lowerdir=..." by ovl_show_options().  Those entries are not
accessed in RCU walk.

Move the name strings into a separate array ofs->config.lowerdirs and
reuse the ofs->config.lowerdirs array as the temporary mount array to
pass to kern_unmount_array().

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20231002023711.GP3389589@ZenIV/
Acked-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-10-02 17:45:02 +03:00
Al Viro
c54719c92a ovl: fetch inode once in ovl_dentry_revalidate_common()
d_inode_rcu() is right - we might be in rcu pathwalk;
however, OVL_E() hides plain d_inode() on the same dentry...

Fixes: a6ff2bc0be ("ovl: use OVL_E() and OVL_E_FLAGS() accessors")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-10-02 17:44:19 +03:00
Al Viro
d9e8319a6e ovl: move freeing ovl_entry past rcu delay
... into ->free_inode(), that is.

Fixes: 0af950f57f "ovl: move ovl_entry into ovl_inode"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-10-02 17:44:06 +03:00
Zhang Shurong
892fbdb203
ASoC: rt5682: Fix regulator enable/disable sequence
This will attempt to disable the regulators if the initial enable fails
which is a bug.

Fix this bug by modifying the code to the correct sequence.

Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Link: https://lore.kernel.org/r/tencent_4F37C9B5315B7960041E8E0ADDA869128F08@qq.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-10-02 14:06:15 +01:00
Matthias Reichl
b84b531494
ASoC: hdmi-codec: Fix broken channel map reporting
Commit 4e08713336 ("ASoC: hdmi-codec: fix channel info for
compressed formats") accidentally changed hcp->chmap_idx from
ca_id, the CEA channel allocation ID, to idx, the index to
the table of channel mappings ordered by preference.

This resulted in wrong channel maps being reported to userspace,
eg for 5.1 "FL,FR,LFE,FC" was reported instead of the expected
"FL,FR,LFE,FC,RL,RR":

~ # speaker-test -c 6 -t sine
...
 0 - Front Left
 3 - Front Center
 1 - Front Right
 2 - LFE
 4 - Unknown
 5 - Unknown

~ # amixer cget iface=PCM,name='Playback Channel Map' | grep ': values'
  : values=3,4,8,7,0,0,0,0

Switch this back to ca_id in case of PCM audio so the correct channel
map is reported again and set it to HDMI_CODEC_CHMAP_IDX_UNKNOWN in
case of non-PCM audio so the PCM channel map control returns "Unknown"
channels (value 0).

Fixes: 4e08713336 ("ASoC: hdmi-codec: fix channel info for compressed formats")
Cc: stable@vger.kernel.org
Signed-off-by: Matthias Reichl <hias@horus.com>
Link: https://lore.kernel.org/r/20230929195027.97136-1-hias@horus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-10-02 14:06:14 +01:00
Tom Lendacky
62d5e970d0 x86/sev: Change npages to unsigned long in snp_accept_memory()
In snp_accept_memory(), the npages variables value is calculated from
phys_addr_t variables but is an unsigned int. A very large range passed
into snp_accept_memory() could lead to truncating npages to zero. This
doesn't happen at the moment but let's be prepared.

Fixes: 6c32117963 ("x86/sev: Add SNP-specific unaccepted memory support")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/6d511c25576494f682063c9fb6c705b526a3757e.1687441505.git.thomas.lendacky@amd.com
2023-10-02 14:55:41 +02:00
Tom Lendacky
6bc6f7d9d7 x86/sev: Use the GHCB protocol when available for SNP CPUID requests
SNP retrieves the majority of CPUID information from the SNP CPUID page.
But there are times when that information needs to be supplemented by the
hypervisor, for example, obtaining the initial APIC ID of the vCPU from
leaf 1.

The current implementation uses the MSR protocol to retrieve the data from
the hypervisor, even when a GHCB exists. The problem arises when an NMI
arrives on return from the VMGEXIT. The NMI will be immediately serviced
and may generate a #VC requiring communication with the hypervisor.

Since a GHCB exists in this case, it will be used. As part of using the
GHCB, the #VC handler will write the GHCB physical address into the GHCB
MSR and the #VC will be handled.

When the NMI completes, processing resumes at the site of the VMGEXIT
which is expecting to read the GHCB MSR and find a CPUID MSR protocol
response. Since the NMI handling overwrote the GHCB MSR response, the
guest will see an invalid reply from the hypervisor and self-terminate.

Fix this problem by using the GHCB when it is available. Any NMI
received is properly handled because the GHCB contents are copied into
a backup page and restored on NMI exit, thus preserving the active GHCB
request or result.

  [ bp: Touchups. ]

Fixes: ee0bfa08a3 ("x86/compressed/64: Add support for SEV-SNP CPUID table in #VC handlers")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/a5856fa1ebe3879de91a8f6298b6bbd901c61881.1690578565.git.thomas.lendacky@amd.com
2023-10-02 14:55:39 +02:00
Leon Romanovsky
c99a7457e5 RDMA/mlx5: Remove not-used cache disable flag
During execution of mlx5_mkey_cache_cleanup(), there is a guarantee
that MR are not registered and/or destroyed. It means that we don't
need newly introduced cache disable flag.

Fixes: 374012b004 ("RDMA/mlx5: Fix mkey cache possible deadlock on cleanup")
Link: https://lore.kernel.org/r/c7e9c9f98c8ae4a7413d97d9349b29f5b0a23dbe.1695921626.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2023-10-02 14:32:44 +03:00
Mark Zhang
e0fe97efdb RDMA/cma: Initialize ib_sa_multicast structure to 0 when join
Initialize the structure to 0 so that it's fields won't have random
values. For example fields like rec.traffic_class (as well as
rec.flow_label and rec.sl) is used to generate the user AH through:
  cma_iboe_join_multicast
    cma_make_mc_event
      ib_init_ah_from_mcmember

And a random traffic_class causes a random IP DSCP in RoCEv2.

Fixes: b5de0c60cc ("RDMA/cma: Fix use after free race in roce multicast join")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/20230927090511.603595-1-markzhang@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2023-10-02 13:10:40 +03:00
Amir Goldstein
8542f17120 ovl: fix file reference leak when submitting aio
Commit 724768a393 ("ovl: fix incorrect fdput() on aio completion")
took a refcount on real file before submitting aio, but forgot to
avoid clearing FDPUT_FPUT from real.flags stack variable.
This can result in a file reference leak.

Fixes: 724768a393 ("ovl: fix incorrect fdput() on aio completion")
Reported-by: Gil Lev <contact@levgil.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
2023-10-02 13:08:31 +03:00
Luca Ceresoli
6bd01c4299 staging: media: tegra-video: fix infinite recursion regression
Since commit 9bf19fbf0c ("media: v4l: async: Rework internal lists"), aka
v6.6-rc1~97^2~198, probing the tegra-video VI driver causes infinite
recursion due tegra_vi_graph_parse_one() calling itself until:

[    1.571168] Insufficient stack space to handle exception!
...
[    1.591416] Internal error: kernel stack overflow: 0 [#1] PREEMPT SMP ARM
...
[    3.861013]  of_phandle_iterator_init from __of_parse_phandle_with_args+0x40/0xf0
[    3.868497]  __of_parse_phandle_with_args from of_fwnode_graph_get_remote_endpoint+0x68/0xa8
[    3.876938]  of_fwnode_graph_get_remote_endpoint from fwnode_graph_get_remote_port_parent+0x30/0x7c
[    3.885984]  fwnode_graph_get_remote_port_parent from tegra_vi_graph_parse_one+0x7c/0x224
[    3.894158]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
[    3.901459]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
[    3.908760]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
[    3.916061]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
...
[    4.857892]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
[    4.865193]  tegra_vi_graph_parse_one from tegra_vi_graph_parse_one+0x144/0x224
[    4.872494]  tegra_vi_graph_parse_one from tegra_vi_init+0x574/0x6d4
[    4.878842]  tegra_vi_init from host1x_device_init+0x84/0x15c
[    4.884594]  host1x_device_init from host1x_video_probe+0xa0/0x114
[    4.890770]  host1x_video_probe from really_probe+0xe0/0x400

The reason is the mentioned commit changed tegra_vi_graph_find_entity() to
search for an entity in the done notifier list:

> @@ -1464,7 +1464,7 @@ tegra_vi_graph_find_entity(struct tegra_vi_channel *chan,
>  	struct tegra_vi_graph_entity *entity;
>  	struct v4l2_async_connection *asd;
>
> -	list_for_each_entry(asd, &chan->notifier.asc_list, asc_entry) {
> +	list_for_each_entry(asd, &chan->notifier.done_list, asc_entry) {
>  		entity = to_tegra_vi_graph_entity(asd);
>  		if (entity->asd.match.fwnode == fwnode)
>  			return entity;

This is not always correct, being tegra_vi_graph_find_entity() called in
three locations, in this order:

 1. tegra_vi_graph_parse_one()    -- called while probing
 2. tegra_vi_graph_notify_bound() -- the .bound notifier op
 3. tegra_vi_graph_build()        -- called in the .complete notifier op

Locations 1 and 2 are called before moving the entity from waiting_list to
done_list, thus they won't find what they are looking for in
done_list. Location 3 happens afterwards and thus it is not broken, however
it means tegra_vi_graph_find_entity() should not search in the same list
every time.

The error appears at step 1: tegra_vi_graph_parse_one() iterates
recursively until it finds the entity already notified, which now never
happens.

Fix by passing the specific notifier list pointer to
tegra_vi_graph_find_entity() instead of the channel, so each caller can
search in whatever list is correct.

Also improve the tegra_vi_graph_find_entity() comment.

Fixes: 9bf19fbf0c ("media: v4l: async: Rework internal lists")
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
[Sakari Ailus: Wrapped some long lines.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-02 10:02:53 +02:00
Arnd Bergmann
90d3c11af0 media: pci: intel: ivsc: select V4L2_FWNODE
Some missing select statements were already added back, but I ran into
another one that is missing:

ERROR: modpost: "v4l2_fwnode_endpoint_free" [drivers/media/pci/intel/ivsc/ivsc-csi.ko] undefined!
ERROR: modpost: "v4l2_fwnode_endpoint_alloc_parse" [drivers/media/pci/intel/ivsc/ivsc-csi.ko] undefined!
ERROR: modpost: "v4l2_fwnode_endpoint_parse" [drivers/media/pci/intel/ivsc/ivsc-csi.ko] undefined!

Fixes: 29006e196a ("media: pci: intel: ivsc: Add CSI submodule")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[Sakari Ailus: Drop V4L2_ASYNC dependency, it is implied now.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-02 10:02:53 +02:00
Sakari Ailus
4670c8c3fb media: ipu-bridge: Fix Kconfig dependencies
The current Kconfig symbol dependencies allow having the following Kconfig
symbol values

	CONFIG_IPU_BRIDGE=m
	CONFIG_VIDEO_IPU3_CIO2=y
	CONFIG_CIO2_BRIDGE=n

This does not work as the IPU bridge API is conditional to
IS_ENABLED(CONFIG_IPU_BRIDGE). Fix this by changing the dependencies so
that CONFIG_IPU_BRIDGE can be separately selected.

The CONFIG_CIO2_BRIDGE symbol becomes redundant as a result and is
removed.

Fixes: 2545a2c02b ("media: ipu3-cio2: allow ipu_bridge to be a module again")
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-02 10:02:53 +02:00
Christophe JAILLET
760d03f90b media: pxa_camera: Fix an error handling path in pxa_camera_probe()
The commit in Fixes has reordered the code and the error handling path.
However one 'goto' was missed.

Fix it and branch at the correct place in the error handling path.

Fixes: 5073d10cba ("media: pxa_camera: Register V4L2 device early")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-02 10:02:53 +02:00
Duje Mihanović
f057511650 gpio: pxa: disable pinctrl calls for MMP_GPIO
Similarly to PXA3xx and MMP2, pinctrl-single isn't capable of setting
pin direction on MMP either.

Fixes: a770d94637 ("gpio: pxa: add pin control gpio direction and request")
Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02 09:18:53 +02:00
Kees Cook
6a70e5cbed sky2: Make sure there is at least one frag_addr available
In the pathological case of building sky2 with 16k PAGE_SIZE, the
frag_addr[] array would never be used, so the original code was correct
that size should be 0. But the compiler now gets upset with 0 size arrays
in places where it hasn't eliminated the code that might access such an
array (it can't figure out that in this case an rx skb with fragments
would never be created). To keep the compiler happy, make sure there is
at least 1 frag_addr in struct rx_ring_info:

   In file included from include/linux/skbuff.h:28,
                    from include/net/net_namespace.h:43,
                    from include/linux/netdevice.h:38,
                    from drivers/net/ethernet/marvell/sky2.c:18:
   drivers/net/ethernet/marvell/sky2.c: In function 'sky2_rx_unmap_skb':
   include/linux/dma-mapping.h:416:36: warning: array subscript i is outside array bounds of 'dma_addr_t[0]' {aka 'long long unsigned int[]'} [-Warray-bounds=]
     416 | #define dma_unmap_page(d, a, s, r) dma_unmap_page_attrs(d, a, s, r, 0)
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/marvell/sky2.c:1257:17: note: in expansion of macro 'dma_unmap_page'
    1257 |                 dma_unmap_page(&pdev->dev, re->frag_addr[i],
         |                 ^~~~~~~~~~~~~~
   In file included from drivers/net/ethernet/marvell/sky2.c:41:
   drivers/net/ethernet/marvell/sky2.h:2198:25: note: while referencing 'frag_addr'
    2198 |         dma_addr_t      frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT];
         |                         ^~~~~~~~~

With CONFIG_PAGE_SIZE_16KB=y, PAGE_SHIFT == 14, so:

  #define ETH_JUMBO_MTU   9000

causes "ETH_JUMBO_MTU >> PAGE_SHIFT" to be 0. Use "?: 1" to solve this build warning.

Cc: Mirko Lindner <mlindner@marvell.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309191958.UBw1cjXk-lkp@intel.com/
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-02 08:03:52 +01:00
Fabio Estevam
6ccf50d4d4 net: dsa: mv88e6xxx: Avoid EEPROM timeout when EEPROM is absent
Since commit 23d775f12d ("net: dsa: mv88e6xxx: Wait for EEPROM done
before HW reset") the following error is seen on a imx8mn board with
a 88E6320 switch:

mv88e6085 30be0000.ethernet-1:00: Timeout waiting for EEPROM done

This board does not have an EEPROM attached to the switch though.

This problem is well explained by Andrew Lunn:

"If there is an EEPROM, and the EEPROM contains a lot of data, it could
be that when we perform a hardware reset towards the end of probe, it
interrupts an I2C bus transaction, leaving the I2C bus in a bad state,
and future reads of the EEPROM do not work.

The work around for this was to poll the EEInt status and wait for it
to go true before performing the hardware reset.

However, we have discovered that for some boards which do not have an
EEPROM, EEInt never indicates complete. As a result,
mv88e6xxx_g1_wait_eeprom_done() spins for a second and then prints a
warning.

We probably need a different solution than calling
mv88e6xxx_g1_wait_eeprom_done(). The datasheet for 6352 documents the
EEPROM Command register:

bit 15 is:

  EEPROM Unit Busy. This bit must be set to a one to start an EEPROM
  operation (see EEOp below). Only one EEPROM operation can be
  executing at one time so this bit must be zero before setting it to
  a one.  When the requested EEPROM operation completes this bit will
  automatically be cleared to a zero. The transition of this bit from
  a one to a zero can be used to generate an interrupt (the EEInt in
  Global 1, offset 0x00).

and more interesting is bit 11:

  Register Loader Running. This bit is set to one whenever the
  register loader is busy executing instructions contained in the
  EEPROM."

Change to using mv88e6xxx_g2_eeprom_wait() to fix the timeout error
when the EEPROM chip is not present.

Fixes: 23d775f12d ("net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset")
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-02 07:26:48 +01:00
Dinghao Liu
caa0578c1d ptp: ocp: Fix error handling in ptp_ocp_device_init
When device_add() fails, ptp_ocp_dev_release() will be called
after put_device(). Therefore, it seems that the
ptp_ocp_dev_release() before put_device() is redundant.

Fixes: 773bda9649 ("ptp: ocp: Expose various resources on the timecard.")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Vadim Feodrenko <vadim.fedorenko@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-02 07:19:22 +01:00
Linus Torvalds
8a749fd1a8 Linux 6.6-rc4 2023-10-01 14:15:13 -07:00
Linus Torvalds
e81a2dabc3 Kbuild fixes for v6.6 (2nd)
- Fix the module compression with xz so the in-kernel decompressor works
 
  - Document a kconfig idiom to express an optional dependency between
    modules
 
  - Make modpost, when W=1 is given, detect broken drivers that reference
    .exit.* sections
 
  - Remove unused code
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Merge tag 'kbuild-fixes-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix the module compression with xz so the in-kernel decompressor
   works

 - Document a kconfig idiom to express an optional dependency between
   modules

 - Make modpost, when W=1 is given, detect broken drivers that reference
   .exit.* sections

 - Remove unused code

* tag 'kbuild-fixes-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: remove stale code for 'source' symlink in packaging scripts
  modpost: Don't let "driver"s reference .exit.*
  vmlinux.lds.h: remove unused CPU_KEEP and CPU_DISCARD macros
  modpost: add missing else to the "of" check
  Documentation: kbuild: explain handling optional dependencies
  kbuild: Use CRC32 and a 1MiB dictionary for XZ compressed modules
2023-10-01 13:48:46 -07:00
Linus Torvalds
d2c5231581 Fourteen hotfixes, eleven of which are cc:stable. The remainder pertain
to issues which were introduced after 6.5.
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Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "Fourteen hotfixes, eleven of which are cc:stable. The remainder
  pertain to issues which were introduced after 6.5"

* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  Crash: add lock to serialize crash hotplug handling
  selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
  mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
  mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
  mm, memcg: reconsider kmem.limit_in_bytes deprecation
  mm: zswap: fix potential memory corruption on duplicate store
  arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
  mm: hugetlb: add huge page size param to set_huge_pte_at()
  maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
  maple_tree: add mas_is_active() to detect in-tree walks
  nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
  mm: abstract moving to the next PFN
  mm: report success more often from filemap_map_folio_range()
  fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
2023-10-01 13:33:25 -07:00
Linus Torvalds
8f63336941 Misc driver fix for 6.6-rc4
Here is a single, much requested, fix for a set of misc drivers to
 resolve a much reported regression in the -rc series that has also
 propagated back to the stable releases.  Sorry for the delay, lots of
 conference travel for a few weeks put me very far behind in patch
 wrangling.
 
 It has been reported by many to resolve the reported problem, and has
 been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull misc driver fix from Greg KH:
 "Here is a single, much requested, fix for a set of misc drivers to
  resolve a much reported regression in the -rc series that has also
  propagated back to the stable releases. Sorry for the delay, lots of
  conference travel for a few weeks put me very far behind in patch
  wrangling.

  It has been reported by many to resolve the reported problem, and has
  been in linux-next with no reported issues"

* tag 'char-misc-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  misc: rtsx: Fix some platforms can not boot and move the l1ss judgment to probe
2023-10-01 12:50:04 -07:00
Linus Torvalds
3abd15e25f TTY / Serial driver fixes for 6.6-rc4
Here are 2 tty/serial driver fixes for 6.6-rc4 that resolve some
 reported regressions:
   - revert a n_gsm change that ended up causing problems
   - 8250_port fix for irq data
 
 both have been in linux-next for over a week with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver fixes from Greg KH:
 "Here are two tty/serial driver fixes for 6.6-rc4 that resolve some
  reported regressions:

   - revert a n_gsm change that ended up causing problems

   - 8250_port fix for irq data

  both have been in linux-next for over a week with no reported
  problems"

* tag 'tty-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux"
  serial: 8250_port: Check IRQ data before use
2023-10-01 12:44:45 -07:00
Jordan Rife
c889a99a21 net: prevent address rewrite in kernel_bind()
Similar to the change in commit 0bdf399342c5("net: Avoid address
overwrite in kernel_connect"), BPF hooks run on bind may rewrite the
address passed to kernel_bind(). This change

1) Makes a copy of the bind address in kernel_bind() to insulate
   callers.
2) Replaces direct calls to sock->ops->bind() in net with kernel_bind()

Link: https://lore.kernel.org/netdev/20230912013332.2048422-1-jrife@google.com/
Fixes: 4fbac77d2d ("bpf: Hooks for sys_bind")
Cc: stable@vger.kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jordan Rife <jrife@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-01 19:31:29 +01:00