On Thu, Jan 03, 2019 at 01:49:55AM +0900, Tetsuo Handa wrote:
> kernfs_node_dentry() calls lookup_one_len_unlocked() which involves
> memory allocation, and memory allocation fault injection made
> lookup_one_len_unlocked() fail, and thus kernfs_node_dentry() failed.
> What's strange?
So,
On 2019/01/03 1:16, Tejun Heo wrote:
> Happy new year, Tetsuo.
>
> On Wed, Jan 02, 2019 at 09:08:56PM +0900, Tetsuo Handa wrote:
>> According to commit 633feee310de6b6c ("cgroup: refactor mount path and
>> clearly distinguish v1 and v2 paths"), cgroup_do_mount() is failing to
>> do full teardown
Happy new year, Tetsuo.
On Wed, Jan 02, 2019 at 09:08:56PM +0900, Tetsuo Handa wrote:
> According to commit 633feee310de6b6c ("cgroup: refactor mount path and
> clearly distinguish v1 and v2 paths"), cgroup_do_mount() is failing to
> do full teardown steps for kernfs_mount()
Hello, Tejun.
[ 1100.561812] FAULT_INJECTION: forcing a failure.
[ 1100.561812] name failslab, interval 1, probability 0, space 0, times 0
[ 1100.625231] CPU: 1 PID: 29677 Comm: syz-executor0 Not tainted 4.20.0+ #396
[ 1100.632289] Hardware name: Google Google Compute Engine/Google Compute
Hello,
syzbot found the following crash on:
HEAD commit:195303136f19 Merge tag 'kconfig-v4.21-2' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=118961fd40
kernel config: https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7
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