diff options
| author | David Howells <dhowells@redhat.com> | 2011-06-21 09:32:05 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-21 21:31:45 -0400 |
| commit | b1d7dd80aadb9042e83f9778b484a2f92e0b04d4 (patch) | |
| tree | 33044314f0a058724e9ee912cca6fe55c2284cf1 /kernel/range.c | |
| parent | 35052cffe0081904f3362c05818db900dd9dc7de (diff) | |
KEYS: Fix error handling in construct_key_and_link()
Fix error handling in construct_key_and_link().
If construct_alloc_key() returns an error, it shouldn't pass out through
the normal path as the key_serial() called by the kleave() statement
will oops when it gets an error code in the pointer:
BUG: unable to handle kernel paging request at ffffffffffffff84
IP: [<ffffffff8120b401>] request_key_and_link+0x4d7/0x52f
..
Call Trace:
[<ffffffff8120b52c>] request_key+0x41/0x75
[<ffffffffa00ed6e8>] cifs_get_spnego_key+0x206/0x226 [cifs]
[<ffffffffa00eb0c9>] CIFS_SessSetup+0x511/0x1234 [cifs]
[<ffffffffa00d9799>] cifs_setup_session+0x90/0x1ae [cifs]
[<ffffffffa00d9c02>] cifs_get_smb_ses+0x34b/0x40f [cifs]
[<ffffffffa00d9e05>] cifs_mount+0x13f/0x504 [cifs]
[<ffffffffa00caabb>] cifs_do_mount+0xc4/0x672 [cifs]
[<ffffffff8113ae8c>] mount_fs+0x69/0x155
[<ffffffff8114ff0e>] vfs_kern_mount+0x63/0xa0
[<ffffffff81150be2>] do_kern_mount+0x4d/0xdf
[<ffffffff81152278>] do_mount+0x63c/0x69f
[<ffffffff8115255c>] sys_mount+0x88/0xc2
[<ffffffff814fbdc2>] system_call_fastpath+0x16/0x1b
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/range.c')
0 files changed, 0 insertions, 0 deletions