David Howells 0307d16f36 afs: Fix afs_atcell_get_link() to check if ws_cell is unset first ...

Fix afs_atcell_get_link() to check if the workstation cell is unset before
doing the RCU pathwalk bit where we dereference that.

Fixes: 823869e1e6 ("afs: Fix afs_atcell_get_link() to handle RCU pathwalk")
Reported-by: syzbot+76a6f18e3af82e84f264@syzkaller.appspotmail.com
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/2481796.1742296819@warthog.procyon.org.uk
Tested-by: syzbot+76a6f18e3af82e84f264@syzkaller.appspotmail.com
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>

2025-03-19 09:23:05 +01:00

..

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

2025-01-09 17:21:41 +01:00

afs_cm.h

…

afs_fs.h

…

afs_vl.h

afs: Fix the maximum cell name length

2025-01-07 15:55:25 +01:00

afs.h

afs: Fix the maximum cell name length

2025-01-07 15:55:25 +01:00

callback.c

afs: Add more tracepoints to do with tracking validity

2024-12-20 22:34:06 +01:00

cell.c

afs: Fix afs_atcell_get_link() to handle RCU pathwalk

2025-03-10 09:46:53 +00:00

cmservice.c

rxrpc, afs: Allow afs to pin rxrpc_peer objects

2023-12-24 15:22:50 +00:00

dir_edit.c

afs: Use the contained hashtable to search a directory

2024-12-20 22:34:09 +01:00

dir_search.c

afs: Use the contained hashtable to search a directory

2024-12-20 22:34:09 +01:00

dir_silly.c

afs: Simplify error handling

2023-12-24 15:22:53 +00:00

dir.c

Merge tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2025-01-30 09:13:35 -08:00

dynroot.c

afs: Fix afs_atcell_get_link() to check if ws_cell is unset first

2025-03-19 09:23:05 +01:00

file.c

afs: Add a tracepoint for afs_read_receive()

2024-12-20 22:34:09 +01:00

flock.c

afs: adapt to breakup of struct file_lock

2024-02-05 13:11:42 +01:00

fs_operation.c

afs: Make {Y,}FS.FetchData an asynchronous operation

2024-12-20 22:34:08 +01:00

fs_probe.c

afs: Fix possible infinite loop with unresponsive servers

2024-09-27 18:29:19 +02:00

fsclient.c

afs: Make {Y,}FS.FetchData an asynchronous operation

2024-12-20 22:34:08 +01:00

inode.c

afs: Locally initialise the contents of a new symlink on creation

2024-12-20 22:34:09 +01:00

internal.h

afs: Fix afs_atcell_get_link() to handle RCU pathwalk

2025-03-10 09:46:53 +00:00

Kconfig

…

main.c

afs: Make {Y,}FS.FetchData an asynchronous operation

2024-12-20 22:34:08 +01:00

Makefile

afs: Use the contained hashtable to search a directory

2024-12-20 22:34:09 +01:00

misc.c

afs: Simplify error handling

2023-12-24 15:22:53 +00:00

mntpt.c

afs: Use netfslib for symlinks, allowing them to be cached

2024-12-20 22:34:07 +01:00

proc.c

afs: Fix afs_atcell_get_link() to handle RCU pathwalk

2025-03-10 09:46:53 +00:00

protocol_afs.h

…

protocol_uae.h

…

protocol_yfs.h

…

rotate.c

afs: Add more tracepoints to do with tracking validity

2024-12-20 22:34:06 +01:00

rxrpc.c

afs: Make {Y,}FS.FetchData an asynchronous operation

2024-12-20 22:34:08 +01:00

security.c

…

server_list.c

afs: Fix the server_list to unuse a displaced server rather than putting it

2025-02-21 15:06:29 -08:00

server.c

afs: Give an afs_server object a ref on the afs_cell object it points to

2025-02-21 15:06:29 -08:00

super.c

afs: Use netfslib for directories

2024-12-20 22:34:07 +01:00

validation.c

afs: Add more tracepoints to do with tracking validity

2024-12-20 22:34:06 +01:00

vl_alias.c

afs: Fix the maximum cell name length

2025-01-07 15:55:25 +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

Merge tag 'vfs-6.14-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2025-01-20 09:29:11 -08:00

volume.c

afs: Increase buffer size in afs_update_volume_status()

2024-02-20 09:51:21 +01:00

write.c

afs: Make {Y,}FS.FetchData an asynchronous operation

2024-12-20 22:34:08 +01:00

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

2024-12-20 22:34:04 +01:00

yfsclient.c

Merge tag 'vfs-6.14-rc1.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2025-01-20 11:40:48 -08:00