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(parent: 64c4a37) | patch
cifs: verify that tcon is valid before dereference in cifs_kill_sb
authorRonnie Sahlberg <[email protected]>
Wed, 13 Apr 2022 00:02:17 +0000 (10:02 +1000)
committerSteve French <[email protected]>
Thu, 14 Apr 2022 05:07:36 +0000 (00:07 -0500)
commit8b6c58458ee3206dde345fce327a4cb83e69caf9
tree7f5d022280835e26823cc8171c38685a7d5395fctree | snapshot
parent64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304commit | diff
cifs: verify that tcon is valid before dereference in cifs_kill_sb

On umount, cifs_sb->tlink_tree might contain entries that do not represent
a valid tcon.
Check the tcon for error before we dereference it.

Signed-off-by: Ronnie Sahlberg <[email protected]>
Cc: [email protected]
Reviewed-by: Shyam Prasad N <[email protected]>
Reported-by: Xiaoli Feng <[email protected]>
Signed-off-by: Steve French <[email protected]>
fs/cifs/cifsfs.c diff | blob | blame | history
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