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42815f8ac5
linux/fs/fuse
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Hou Tao 42815f8ac5 fuse: set FR_PENDING atomically in fuse_resend() 
When fuse_resend() moves the requests from processing lists to pending
list, it uses __set_bit() to set FR_PENDING bit in req->flags.

Using __set_bit() is not safe, because other functions may update
req->flags concurrently (e.g., request_wait_answer() may call
set_bit(FR_INTERRUPTED, &flags)).

Fix it by using set_bit() instead.

Fixes: 760eac73f9 ("fuse: Introduce a new notification type for resend pending requests")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-05-10 11:10:12 +02:00
..
acl.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
control.c fuse: remove unneeded lock which protecting update of congestion_threshold 2024-03-06 11:07:51 +01:00
cuse.c cuse: add kernel-doc comments to cuse_process_init_reply() 2024-04-15 11:02:10 +02:00
dax.c fuse: dax: set fc->dax to NULL in fuse_dax_conn_free() 2023-12-04 10:16:53 +01:00
dev.c fuse: set FR_PENDING atomically in fuse_resend() 2024-05-10 11:10:12 +02:00
dir.c fuse: fix leaked ENOSYS error on first statx call 2024-04-15 10:12:44 +02:00
file.c fuse: Convert fuse_readpages_end() to use folio_end_read() 2024-05-08 09:31:21 +02:00
fuse_i.h fuse: fix wrong ff->iomode state changes from parallel dio write 2024-04-15 10:12:03 +02:00
inode.c fuse: fix wrong ff->iomode state changes from parallel dio write 2024-04-15 10:12:03 +02:00
ioctl.c fuse: Add initial support for fs-verity 2024-05-08 09:31:21 +02:00
iomode.c fuse: fix parallel dio write on file open in passthrough mode 2024-04-15 10:12:44 +02:00
Kconfig fuse: introduce FUSE_PASSTHROUGH capability 2024-02-23 17:36:32 +01:00
Makefile fuse: introduce FUSE_PASSTHROUGH capability 2024-02-23 17:36:32 +01:00
passthrough.c fuse: verify zero padding in fuse_backing_map 2024-04-22 17:13:43 +02:00
readdir.c fuse: get rid of ff->readdir.lock 2024-03-06 16:20:58 +01:00
virtio_fs.c virtiofs: include a newline in sysfs tag 2024-05-08 09:31:21 +02:00
xattr.c fuse: move fuse_xattr_handlers to .rodata 2023-10-09 16:24:18 +02:00