udf: Verify inode link counts before performing rename

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During rename, we are updating link counts of various inodes either when
rename deletes target or when moving directory across directories.
Verify involved link counts are sane so that we don't trip warnings in
VFS.

Reported-by: syzbot+3ff7365dc04a6bcafa66@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>

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Jan Kara 2024-11-26 12:55:12 +01:00

parent c5566903af

commit 6756af923e

1 changed files with 10 additions and 0 deletions

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fs/udf/namei.c

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