* Re: possible deadlock in mnt_want_write [not found] <000000000000d03eea0571adfe83@google.com> @ 2019-11-23 2:27 ` syzbot 2020-11-07 12:10 ` syzbot 1 sibling, 0 replies; 3+ messages in thread From: syzbot @ 2019-11-23 2:27 UTC (permalink / raw) To: amir73il, ast, dvyukov, linux-fsdevel, linux-integrity, linux-kernel, linux-unionfs, mszeredi, rgoldwyn, syzkaller-bugs, viro, zohar, zohar syzbot has bisected this bug to: commit 8e54cadab447dae779f80f79c87cbeaea9594f60 Author: Al Viro <viro@zeniv.linux.org.uk> Date: Sun Nov 27 01:05:42 2016 +0000 fix default_file_splice_read() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15147a36e00000 start commit: 6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17147a36e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13147a36e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9 dashboard link: https://syzkaller.appspot.com/bug?extid=ae82084b07d0297e566b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111767b7200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1611ab2d200000 Reported-by: syzbot+ae82084b07d0297e566b@syzkaller.appspotmail.com Fixes: 8e54cadab447 ("fix default_file_splice_read()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: possible deadlock in mnt_want_write [not found] <000000000000d03eea0571adfe83@google.com> 2019-11-23 2:27 ` possible deadlock in mnt_want_write syzbot @ 2020-11-07 12:10 ` syzbot 2020-11-11 13:52 ` Dmitry Vyukov 1 sibling, 1 reply; 3+ messages in thread From: syzbot @ 2020-11-07 12:10 UTC (permalink / raw) To: amir73il, ast, dvyukov, linux-fsdevel, linux-integrity, linux-kernel, linux-unionfs, miklos, mszeredi, rgoldwyn, syzkaller-bugs, viro, zohar, zohar syzbot suspects this issue was fixed by commit: commit 146d62e5a5867fbf84490d82455718bfb10fe824 Author: Amir Goldstein <amir73il@gmail.com> Date: Thu Apr 18 14:42:08 2019 +0000 ovl: detect overlapping layers bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e40184500000 start commit: 6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9 dashboard link: https://syzkaller.appspot.com/bug?extid=ae82084b07d0297e566b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111767b7200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1611ab2d200000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ovl: detect overlapping layers For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: possible deadlock in mnt_want_write 2020-11-07 12:10 ` syzbot @ 2020-11-11 13:52 ` Dmitry Vyukov 0 siblings, 0 replies; 3+ messages in thread From: Dmitry Vyukov @ 2020-11-11 13:52 UTC (permalink / raw) To: syzbot, LKML, linux-fsdevel, overlayfs, syzkaller-bugs; +Cc: Amir Goldstein On Sat, Nov 7, 2020 at 1:10 PM syzbot <syzbot+ae82084b07d0297e566b@syzkaller.appspotmail.com> wrote: > > syzbot suspects this issue was fixed by commit: > > commit 146d62e5a5867fbf84490d82455718bfb10fe824 > Author: Amir Goldstein <amir73il@gmail.com> > Date: Thu Apr 18 14:42:08 2019 +0000 > > ovl: detect overlapping layers > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e40184500000 > start commit: 6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9 > dashboard link: https://syzkaller.appspot.com/bug?extid=ae82084b07d0297e566b > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111767b7200000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1611ab2d200000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: ovl: detect overlapping layers > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: ovl: detect overlapping layers ^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-11-23 2:27 ` possible deadlock in mnt_want_write syzbot
2020-11-07 12:10 ` syzbot
2020-11-11 13:52 ` Dmitry Vyukov
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