* Re: INFO: trying to register non-static key in l2cap_sock_teardown_cb
[not found] <000000000000f5964705b7d47d8c@google.com>
@ 2021-01-11 5:16 ` syzbot
2021-11-30 16:19 ` [syzbot] " syzbot
1 sibling, 0 replies; 3+ messages in thread
From: syzbot @ 2021-01-11 5:16 UTC (permalink / raw)
To: a, b.a.t.m.a.n, davem, hdanton, johan.hedberg, kuba,
linux-bluetooth, linux-fsdevel, linux-kernel, luiz.dentz, marcel,
mareklindner, miklos, mszeredi, netdev, sw, syzkaller-bugs
syzbot has bisected this issue to:
commit 4680a7ee5db27772af40d83393fa0fb955b745b7
Author: Miklos Szeredi <mszeredi@redhat.com>
Date: Sat Oct 1 05:32:33 2016 +0000
fuse: remove duplicate cs->offset assignment
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11fc80e7500000
start commit: 73b7a604 net: dsa: bcm_sf2: support BCM4908's integrated s..
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=13fc80e7500000
console output: https://syzkaller.appspot.com/x/log.txt?x=15fc80e7500000
kernel config: https://syzkaller.appspot.com/x/.config?x=9ce34124da4c882b
dashboard link: https://syzkaller.appspot.com/bug?extid=a41dfef1d2e04910eb2e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166ee4cf500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1337172f500000
Reported-by: syzbot+a41dfef1d2e04910eb2e@syzkaller.appspotmail.com
Fixes: 4680a7ee5db2 ("fuse: remove duplicate cs->offset assignment")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] INFO: trying to register non-static key in l2cap_sock_teardown_cb
[not found] <000000000000f5964705b7d47d8c@google.com>
2021-01-11 5:16 ` INFO: trying to register non-static key in l2cap_sock_teardown_cb syzbot
@ 2021-11-30 16:19 ` syzbot
2021-12-04 9:32 ` Dmitry Vyukov
1 sibling, 1 reply; 3+ messages in thread
From: syzbot @ 2021-11-30 16:19 UTC (permalink / raw)
To: a, b.a.t.m.a.n, bobo.shaobowang, davem, hdanton, johan.hedberg,
kuba, linux-bluetooth, linux-fsdevel, linux-kernel, luiz.dentz,
luiz.von.dentz, marcel, mareklindner, miklos, mszeredi, netdev,
sw, syzkaller-bugs
syzbot suspects this issue was fixed by commit:
commit 1bff51ea59a9afb67d2dd78518ab0582a54a472c
Author: Wang ShaoBo <bobo.shaobowang@huawei.com>
Date: Wed Sep 1 00:35:37 2021 +0000
Bluetooth: fix use-after-free error in lock_sock_nested()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=134c881eb00000
start commit: 73b7a6047971 net: dsa: bcm_sf2: support BCM4908's integrat..
git tree: net-next
kernel config: https://syzkaller.appspot.com/x/.config?x=9ce34124da4c882b
dashboard link: https://syzkaller.appspot.com/bug?extid=a41dfef1d2e04910eb2e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166ee4cf500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1337172f500000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: Bluetooth: fix use-after-free error in lock_sock_nested()
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] INFO: trying to register non-static key in l2cap_sock_teardown_cb
2021-11-30 16:19 ` [syzbot] " syzbot
@ 2021-12-04 9:32 ` Dmitry Vyukov
0 siblings, 0 replies; 3+ messages in thread
From: Dmitry Vyukov @ 2021-12-04 9:32 UTC (permalink / raw)
To: syzbot
Cc: a, b.a.t.m.a.n, bobo.shaobowang, davem, hdanton, johan.hedberg,
kuba, linux-bluetooth, linux-fsdevel, linux-kernel, luiz.dentz,
luiz.von.dentz, marcel, mareklindner, miklos, mszeredi, netdev,
syzkaller-bugs
On Tue, 30 Nov 2021 at 17:19, syzbot
<syzbot+a41dfef1d2e04910eb2e@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 1bff51ea59a9afb67d2dd78518ab0582a54a472c
> Author: Wang ShaoBo <bobo.shaobowang@huawei.com>
> Date: Wed Sep 1 00:35:37 2021 +0000
>
> Bluetooth: fix use-after-free error in lock_sock_nested()
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=134c881eb00000
> start commit: 73b7a6047971 net: dsa: bcm_sf2: support BCM4908's integrat..
> git tree: net-next
> kernel config: https://syzkaller.appspot.com/x/.config?x=9ce34124da4c882b
> dashboard link: https://syzkaller.appspot.com/bug?extid=a41dfef1d2e04910eb2e
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166ee4cf500000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1337172f500000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: Bluetooth: fix use-after-free error in lock_sock_nested()
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
A use-after-free can lead to other random consequences, and there
actually was a KASAN report after the lockdep report in the original
report. So w/o a better candidate let's do:
#syz fix: Bluetooth: fix use-after-free error in lock_sock_nested()
^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] <000000000000f5964705b7d47d8c@google.com>
2021-01-11 5:16 ` INFO: trying to register non-static key in l2cap_sock_teardown_cb syzbot
2021-11-30 16:19 ` [syzbot] " syzbot
2021-12-04 9:32 ` Dmitry Vyukov
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