Infinite loop inside shrink_dcache_parent() due to lack of cond_resched().
I can reproduce this issue by running the reproducer on one CPU (using "taskset
-c 0").
Reverting commit 32785c0539b7e96f ("fs/dcache.c: add cond_resched() in
shrink_dentry_list()")
solves this issue.
#syz dup: INFO: rcu
Hello,
syzbot hit the following crash on upstream commit
16e205cf42da1f497b10a4a24f563e6c0d574eec (Fri Apr 13 03:56:10 2018 +)
Merge tag 'drm-fixes-for-v4.17-rc1' of
git://people.freedesktop.org/~airlied/linux
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=da69f0eccf07cdcf
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