* Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue [not found] <00000000000047770d05a1c70ecb@google.com> @ 2020-03-27 1:28 ` syzbot 2020-03-27 3:00 ` Bart Van Assche 2020-03-27 15:06 ` Jens Axboe 2020-06-25 3:01 ` syzbot 1 sibling, 2 replies; 5+ messages in thread From: syzbot @ 2020-03-27 1:28 UTC (permalink / raw) To: a, axboe, b.a.t.m.a.n, davem, dongli.zhang, linux-block, linux-fsdevel, linux-kernel, mareklindner, netdev, sven, sw, syzkaller-bugs, viro syzbot has bisected this bug to: commit 768134d4f48109b90f4248feecbeeb7d684e410c Author: Jens Axboe <axboe@kernel.dk> Date: Mon Nov 11 03:30:53 2019 +0000 io_uring: don't do flush cancel under inflight_lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14233ef5e00000 start commit: 1b649e0b Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16233ef5e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12233ef5e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=27392dd2975fd692 dashboard link: https://syzkaller.appspot.com/bug?extid=313d95e8a7a49263f88d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13850447e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=119a26f5e00000 Reported-by: syzbot+313d95e8a7a49263f88d@syzkaller.appspotmail.com Fixes: 768134d4f481 ("io_uring: don't do flush cancel under inflight_lock") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue 2020-03-27 1:28 ` KASAN: null-ptr-deref Write in blk_mq_map_swqueue syzbot @ 2020-03-27 3:00 ` Bart Van Assche 2020-03-27 15:06 ` Jens Axboe 1 sibling, 0 replies; 5+ messages in thread From: Bart Van Assche @ 2020-03-27 3:00 UTC (permalink / raw) To: syzbot, a, axboe, b.a.t.m.a.n, davem, dongli.zhang, linux-block, linux-fsdevel, linux-kernel, mareklindner, netdev, sven, sw, syzkaller-bugs, viro On 2020-03-26 18:28, syzbot wrote: > syzbot has bisected this bug to: > > commit 768134d4f48109b90f4248feecbeeb7d684e410c > Author: Jens Axboe <axboe@kernel.dk> > Date: Mon Nov 11 03:30:53 2019 +0000 > > io_uring: don't do flush cancel under inflight_lock > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14233ef5e00000 > start commit: 1b649e0b Merge git://git.kernel.org/pub/scm/linux/kernel/g.. > git tree: upstream > final crash: https://syzkaller.appspot.com/x/report.txt?x=16233ef5e00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=12233ef5e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=27392dd2975fd692 > dashboard link: https://syzkaller.appspot.com/bug?extid=313d95e8a7a49263f88d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13850447e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=119a26f5e00000 > > Reported-by: syzbot+313d95e8a7a49263f88d@syzkaller.appspotmail.com > Fixes: 768134d4f481 ("io_uring: don't do flush cancel under inflight_lock") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs() ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue 2020-03-27 1:28 ` KASAN: null-ptr-deref Write in blk_mq_map_swqueue syzbot 2020-03-27 3:00 ` Bart Van Assche @ 2020-03-27 15:06 ` Jens Axboe 1 sibling, 0 replies; 5+ messages in thread From: Jens Axboe @ 2020-03-27 15:06 UTC (permalink / raw) To: syzbot, a, b.a.t.m.a.n, davem, dongli.zhang, linux-block, linux-fsdevel, linux-kernel, mareklindner, netdev, sven, sw, syzkaller-bugs, viro On 3/26/20 7:28 PM, syzbot wrote: > syzbot has bisected this bug to: > > commit 768134d4f48109b90f4248feecbeeb7d684e410c > Author: Jens Axboe <axboe@kernel.dk> > Date: Mon Nov 11 03:30:53 2019 +0000 > > io_uring: don't do flush cancel under inflight_lock This is definitely an utterly bogus bisect, not related at all. -- Jens Axboe ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue [not found] <00000000000047770d05a1c70ecb@google.com> 2020-03-27 1:28 ` KASAN: null-ptr-deref Write in blk_mq_map_swqueue syzbot @ 2020-06-25 3:01 ` syzbot 2020-06-25 4:05 ` Bart Van Assche 1 sibling, 1 reply; 5+ messages in thread From: syzbot @ 2020-06-25 3:01 UTC (permalink / raw) To: a, axboe, b.a.t.m.a.n, bvanassche, davem, dongli.zhang, hdanton, jianchao.w.wang, linux-block, linux-fsdevel, linux-kernel, mareklindner, netdev, sven, sw, syzkaller-bugs, viro This bug is marked as fixed by commit: blk-mq: Fix a recently introduced regression in But I can't find it in any tested tree for more than 90 days. Is it a correct commit? Please update it by replying: #syz fix: exact-commit-title Until then the bug is still considered open and new crashes with the same signature are ignored. ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: KASAN: null-ptr-deref Write in blk_mq_map_swqueue 2020-06-25 3:01 ` syzbot @ 2020-06-25 4:05 ` Bart Van Assche 0 siblings, 0 replies; 5+ messages in thread From: Bart Van Assche @ 2020-06-25 4:05 UTC (permalink / raw) To: syzbot, a, axboe, b.a.t.m.a.n, davem, dongli.zhang, hdanton, jianchao.w.wang, linux-block, linux-fsdevel, linux-kernel, mareklindner, netdev, sven, sw, syzkaller-bugs, viro On 2020-06-24 20:01, syzbot wrote: > This bug is marked as fixed by commit: > blk-mq: Fix a recently introduced regression in > But I can't find it in any tested tree for more than 90 days. > Is it a correct commit? Please update it by replying: > #syz fix: exact-commit-title > Until then the bug is still considered open and > new crashes with the same signature are ignored. #syz fix: blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs() ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-06-25 4:06 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <00000000000047770d05a1c70ecb@google.com>
2020-03-27 1:28 ` KASAN: null-ptr-deref Write in blk_mq_map_swqueue syzbot
2020-03-27 3:00 ` Bart Van Assche
2020-03-27 15:06 ` Jens Axboe
2020-06-25 3:01 ` syzbot
2020-06-25 4:05 ` Bart Van Assche
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