* Re: [syzbot] INFO: rcu detected stall in net_tx_action [not found] <00000000000026864605c611cc51@google.com> @ 2022-07-26 15:50 ` syzbot 2022-07-27 16:00 ` Ming Lei 0 siblings, 1 reply; 2+ messages in thread From: syzbot @ 2022-07-26 15:50 UTC (permalink / raw) To: axboe, cgroups, fweisbec, linux-block, linux-kernel, ming.lei, mingo, netdev, syzkaller-bugs, tglx, tj syzbot suspects this issue was fixed by commit: commit 0a9a25ca78437b39e691bcc3dc8240455b803d8d Author: Ming Lei <ming.lei@redhat.com> Date: Fri Mar 18 13:01:43 2022 +0000 block: let blkcg_gq grab request queue's refcnt bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1004f05a080000 start commit: d6765985a42a Revert "be2net: disable bh with spin_lock in .. git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=7ca96a2d153c74b0 dashboard link: https://syzkaller.appspot.com/bug?extid=3ba0493d523d007b3819 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c9edc8300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172463c8300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: block: let blkcg_gq grab request queue's refcnt For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] INFO: rcu detected stall in net_tx_action 2022-07-26 15:50 ` [syzbot] INFO: rcu detected stall in net_tx_action syzbot @ 2022-07-27 16:00 ` Ming Lei 0 siblings, 0 replies; 2+ messages in thread From: Ming Lei @ 2022-07-27 16:00 UTC (permalink / raw) To: syzbot Cc: axboe, cgroups, fweisbec, linux-block, linux-kernel, mingo, netdev, syzkaller-bugs, tglx, tj On Tue, Jul 26, 2022 at 08:50:09AM -0700, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 0a9a25ca78437b39e691bcc3dc8240455b803d8d > Author: Ming Lei <ming.lei@redhat.com> > Date: Fri Mar 18 13:01:43 2022 +0000 > > block: let blkcg_gq grab request queue's refcnt > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1004f05a080000 > start commit: d6765985a42a Revert "be2net: disable bh with spin_lock in .. > git tree: net > kernel config: https://syzkaller.appspot.com/x/.config?x=7ca96a2d153c74b0 > dashboard link: https://syzkaller.appspot.com/bug?extid=3ba0493d523d007b3819 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c9edc8300000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172463c8300000 > The bad commit has been fixed by the following patch: d578c770c852 block: avoid calling blkg_free() in atomic context Thanks, Ming ^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-07-26 15:50 ` [syzbot] INFO: rcu detected stall in net_tx_action syzbot
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