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linux/fs/afs
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Zhen Ni a13dbc5e20 afs: Fix potential null pointer dereference in afs_put_server 
commit 9158c6bb24 upstream.

afs_put_server() accessed server->debug_id before the NULL check, which
could lead to a null pointer dereference. Move the debug_id assignment,
ensuring we never dereference a NULL server pointer.

Fixes: 2757a4dc18 ("afs: Fix access after dec in put functions")
Cc: stable@vger.kernel.org
Signed-off-by: Zhen Ni <zhen.ni@easystack.cn>
Acked-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeffrey Altman <jaltman@auristor.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-02 13:44:14 +02:00
..
addr_list.c afs: Remove the unimplemented afs_cmp_addr_list() 2024-01-01 16:37:26 +00:00
addr_prefs.c afs: Fix merge preference rule failure condition 2025-01-23 17:22:57 +01:00
afs.h afs: Fix the maximum cell name length 2025-01-17 13:40:43 +01:00
afs_cm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_vl.h afs: Fix the maximum cell name length 2025-01-17 13:40:43 +01:00
callback.c afs: Overhaul invalidation handling to better support RO volumes 2024-01-01 16:37:27 +00:00
cell.c afs: Overhaul invalidation handling to better support RO volumes 2024-01-01 16:37:27 +00:00
cmservice.c rxrpc, afs: Allow afs to pin rxrpc_peer objects 2023-12-24 15:22:50 +00:00
dir.c afs: Fix EEXIST error returned from afs_rmdir() to be ENOTEMPTY 2025-02-08 09:56:50 +01:00
dir_edit.c afs: Fix missing subdir edit when renamed between parent dirs 2024-10-24 13:50:27 +02:00
dir_silly.c afs: Simplify error handling 2023-12-24 15:22:53 +00:00
dynroot.c afs: Remove afs_dynroot_d_revalidate() as it is redundant 2024-01-22 22:30:14 +00:00
file.c afs: Fix missing wire-up of afs_retry_request() 2024-09-27 18:29:19 +02:00
flock.c afs: adapt to breakup of struct file_lock 2024-02-05 13:11:42 +01:00
fs_operation.c afs: Fix the setting of the server responding flag 2024-09-27 18:29:20 +02:00
fs_probe.c afs: Fix possible infinite loop with unresponsive servers 2024-09-27 18:29:19 +02:00
fsclient.c netfs: Speed up buffered reading 2024-09-12 12:20:41 +02:00
inode.c afs: Fix post-setattr file edit to do truncation correctly 2024-08-24 16:09:16 +02:00
internal.h afs: Fix cleanup of immediately failed async calls 2025-02-08 09:56:50 +01:00
Kconfig afs: Convert afs to use the new fscache API 2022-01-07 13:44:47 +00:00
main.c afs: Fix ignored callbacks over ipv4 2024-02-20 09:51:21 +01:00
Makefile afs: Move the vnode/volume validity checking code into its own file 2024-01-01 16:37:27 +00:00
misc.c afs: Simplify error handling 2023-12-24 15:22:53 +00:00
mntpt.c afs: Don't cross .backup mountpoint from backup volume 2024-05-25 14:02:40 +02:00
proc.c afs: Fix missing/incorrect unlocking of RCU read lock 2024-01-22 22:30:38 +00:00
protocol_afs.h afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server 2021-09-13 09:14:21 +01:00
protocol_uae.h afs: Add support for the UAE error table 2019-06-28 18:37:53 +01:00
protocol_yfs.h afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server 2021-09-13 09:14:21 +01:00
rotate.c afs: Fix possible infinite loop with unresponsive servers 2024-09-27 18:29:19 +02:00
rxrpc.c afs: Fix cleanup of immediately failed async calls 2025-02-08 09:56:50 +01:00
security.c fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
server.c afs: Fix potential null pointer dereference in afs_put_server 2025-10-02 13:44:14 +02:00
server_list.c afs: Fix the server_list to unuse a displaced server rather than putting it 2025-03-07 18:25:29 +01:00
super.c vfs-6.8.netfs 2024-01-19 09:10:23 -08:00
validation.c afs: Use alternative invalidation to using launder_folio 2024-05-01 18:07:34 +01:00
vl_alias.c afs: Fix the maximum cell name length 2025-01-17 13:40:43 +01:00
vl_list.c afs: Dispatch vlserver probes in priority order 2024-01-01 16:37:27 +00:00
vl_probe.c afs: Keep a record of the current fileserver endpoint state 2024-01-01 16:37:27 +00:00
vl_rotate.c afs: Add some more info to /proc/net/afs/servers 2024-01-01 16:36:58 +00:00
vlclient.c afs: Fix the maximum cell name length 2025-01-17 13:40:43 +01:00
volume.c afs: Increase buffer size in afs_update_volume_status() 2024-02-20 09:51:21 +01:00
write.c netfs: Move max_len/max_nr_segs from netfs_io_subrequest to netfs_io_stream 2024-09-05 11:00:41 +02:00
xattr.c afs: Add __counted_by for struct afs_acl and use struct_size() 2023-12-01 09:51:43 -08:00
xdr_fs.h afs: Fix directory format encoding struct 2025-02-08 09:56:50 +01:00
yfsclient.c afs: Fix the fallback handling for the YFS.RemoveFile2 RPC call 2025-02-08 09:56:53 +01:00