Re: [PATCH] padata: fix possible padata_works_lock deadlock

2020-09-04 Thread Herbert Xu
On Wed, Sep 02, 2020 at 01:07:56PM -0400, Daniel Jordan wrote: > syzbot reports, > > WARNING: inconsistent lock state > 5.9.0-rc2-syzkaller #0 Not tainted > > inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. > syz-executor.0/26715 takes: > (padata_w

[PATCH] padata: fix possible padata_works_lock deadlock

2020-09-02 Thread Daniel Jordan
syzbot reports, WARNING: inconsistent lock state 5.9.0-rc2-syzkaller #0 Not tainted inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. syz-executor.0/26715 takes: (padata_works_lock){+.?.}-{2:2}, at: padata_do_parallel kernel/padata.c:220 {IN-SOFTIR