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071ae99fea
linux/fs/nfs
History
Scott Mayhew 4f40a5b554 NFSv4: Add an fattr allocation to _nfs4_discover_trunking() 
This was missed in c3ed222745 ("NFSv4: Fix free of uninitialized
nfs4_label on referral lookup.") and causes a panic when mounting
with '-o trunkdiscovery':

PID: 1604   TASK: ffff93dac3520000  CPU: 3   COMMAND: "mount.nfs"
 #0 [ffffb79140f738f8] machine_kexec at ffffffffaec64bee
 #1 [ffffb79140f73950] __crash_kexec at ffffffffaeda67fd
 #2 [ffffb79140f73a18] crash_kexec at ffffffffaeda76ed
 #3 [ffffb79140f73a30] oops_end at ffffffffaec2658d
 #4 [ffffb79140f73a50] general_protection at ffffffffaf60111e
    [exception RIP: nfs_fattr_init+0x5]
    RIP: ffffffffc0c18265  RSP: ffffb79140f73b08  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff93dac304a800  RCX: 0000000000000000
    RDX: ffffb79140f73bb0  RSI: ffff93dadc8cbb40  RDI: d03ee11cfaf6bd50
    RBP: ffffb79140f73be8   R8: ffffffffc0691560   R9: 0000000000000006
    R10: ffff93db3ffd3df8  R11: 0000000000000000  R12: ffff93dac4040000
    R13: ffff93dac2848e00  R14: ffffb79140f73b60  R15: ffffb79140f73b30
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #5 [ffffb79140f73b08] _nfs41_proc_get_locations at ffffffffc0c73d53 [nfsv4]
 #6 [ffffb79140f73bf0] nfs4_proc_get_locations at ffffffffc0c83e90 [nfsv4]
 #7 [ffffb79140f73c60] nfs4_discover_trunking at ffffffffc0c83fb7 [nfsv4]
 #8 [ffffb79140f73cd8] nfs_probe_fsinfo at ffffffffc0c0f95f [nfs]
 #9 [ffffb79140f73da0] nfs_probe_server at ffffffffc0c1026a [nfs]
    RIP: 00007f6254fce26e  RSP: 00007ffc69496ac8  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 0000000000000000  RCX: 00007f6254fce26e
    RDX: 00005600220a82a0  RSI: 00005600220a64d0  RDI: 00005600220a6520
    RBP: 00007ffc69496c50   R8: 00005600220a8710   R9: 003035322e323231
    R10: 0000000000000000  R11: 0000000000000246  R12: 00007ffc69496c50
    R13: 00005600220a8440  R14: 0000000000000010  R15: 0000560020650ef9
    ORIG_RAX: 00000000000000a5  CS: 0033  SS: 002b

Fixes: c3ed222745 ("NFSv4: Fix free of uninitialized nfs4_label on referral lookup.")
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-06-30 16:13:00 -04:00
..
blocklayout
filelayout pNFS/files: Fall back to I/O through the MDS on non-fatal layout errors 2022-05-17 12:53:33 -04:00
flexfilelayout pNFS/flexfiles: Ensure pNFS allocation modes are consistent with nfsiod 2022-03-22 15:52:56 -04:00
cache_lib.c
cache_lib.h
callback_proc.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
callback_xdr.c NFS: remove unneeded check in decode_devicenotify_args() 2022-03-13 12:59:34 -04:00
callback.c NFSD: Move svc_serv_ops::svo_function into struct svc_serv 2022-02-28 10:26:40 -05:00
callback.h
client.c NFSv4.1 provide mount option to toggle trunking discovery 2022-03-21 10:36:49 -04:00
delegation.c
delegation.h
dir.c NFSv4: Add FMODE_CAN_ODIRECT after successful open of a NFS4.x file 2022-06-15 15:03:12 -04:00
direct.c nfs: rename nfs_direct_IO and use as ->swap_rw 2022-05-09 18:20:48 -07:00
dns_resolve.c
dns_resolve.h
export.c
file.c NFS Client Updates for Linux 5.18 2022-05-31 16:58:24 -07:00
fs_context.c nfs: fix broken handling of the softreval mount option 2022-05-09 13:02:54 -04:00
fscache.c NFS: Pass i_size to fscache_unuse_cookie() when a file is released 2022-05-17 15:39:45 -04:00
fscache.h nfs: Convert to release_folio 2022-05-09 23:12:33 -04:00
getroot.c
inode.c NFS client bugfixes for Linux 5.18 2022-04-08 07:39:17 -10:00
internal.h NFS: Memory allocation failures are not server fatal errors 2022-05-17 12:53:33 -04:00
io.c
iostat.h
Kconfig NFS: Replace readdir's use of xxhash() with hash_64() 2022-04-07 16:19:47 -04:00
Makefile
mount_clnt.c
namespace.c
netns.h
nfs2super.c
nfs2xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs3_fs.h
nfs3acl.c
nfs3client.c
nfs3proc.c
nfs3super.c
nfs3xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs4_fs.h NFSv4: keep state manager thread active if swap is enabled 2022-03-13 12:59:35 -04:00
nfs4client.c
nfs4file.c NFSv4: Add FMODE_CAN_ODIRECT after successful open of a NFS4.x file 2022-06-15 15:03:12 -04:00
nfs4getroot.c
nfs4idmap.c
nfs4idmap.h
nfs4namespace.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs4proc.c NFSv4: Add an fattr allocation to _nfs4_discover_trunking() 2022-06-30 16:13:00 -04:00
nfs4renewd.c
nfs4session.c
nfs4session.h
nfs4state.c NFS: restore module put when manager exits. 2022-06-30 16:13:00 -04:00
nfs4super.c
nfs4sysctl.c
nfs4trace.c
nfs4trace.h
nfs4xdr.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs42.h
nfs42proc.c NFS: replace usage of found with dedicated list iterator variable 2022-03-24 12:06:07 -04:00
nfs42xattr.c NFSv4.2: Fix missing removal of SLAB_ACCOUNT on kmem_cache allocation 2022-04-07 16:20:00 -04:00
nfs42xdr.c
nfs.h
nfsroot.c
nfstrace.c
nfstrace.h NFS: Replace dfprintks with tracepoints in fscache read and write page functions 2022-03-13 12:59:35 -04:00
pagelist.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00
pnfs_dev.c
pnfs_nfs.c NFS: nfsiod should not block forever in mempool_alloc() 2022-03-22 15:52:56 -04:00
pnfs.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
pnfs.h pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
proc.c
read.c nfs: Convert nfs to read_folio 2022-05-09 16:21:46 -04:00
super.c
symlink.c fs: Change the type of filler_t 2022-05-09 16:36:48 -04:00
sysctl.c
sysfs.c Revert "NFSv4: use unique client identifiers in network namespaces" 2022-02-28 10:09:23 -05:00
sysfs.h
unlink.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00
write.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00