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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2018-05-04 10:58:09 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-05-07 15:26:36 -0600 |
| commit | d3349b6b3c373ac1fbfb040b810fcee5e2adc7e0 (patch) | |
| tree | 3ff87e2bc973c2f5983886c404ecc41893c768b9 /block | |
| parent | 50864670b3ffce188e176822ac3dc0336f2489c7 (diff) | |
| download | linux-0-day-d3349b6b3c373ac1fbfb040b810fcee5e2adc7e0.tar.gz linux-0-day-d3349b6b3c373ac1fbfb040b810fcee5e2adc7e0.tar.xz | |
loop: remember whether sysfs_create_group() was done
syzbot is hitting WARN() triggered by memory allocation fault
injection [1] because loop module is calling sysfs_remove_group()
when sysfs_create_group() failed.
Fix this by remembering whether sysfs_create_group() succeeded.
[1] https://syzkaller.appspot.com/bug?id=3f86c0edf75c86d2633aeb9dd69eccc70bc7e90b
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+9f03168400f56df89dbc6f1751f4458fe739ff29@syzkaller.appspotmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Renamed sysfs_ready -> sysfs_inited.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions