syzbot


INFO: trying to register non-static key in l2cap_chan_del
Status: upstream: reported syz repro on 2020/08/05 15:56
Reported-by: syzbot+abfc0f5e668d4099af73@syzkaller.appspotmail.com
Fix commit: 3af70b39fa2d Bluetooth: check for zapped sk before connecting
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 362d, last: 144d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: KASAN: use-after-free Read in lock_sock_nested (log)
Repro: syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: trying to register non-static key in l2cap_chan_del 3 253d 261d 0/1 auto-closed as invalid on 2021/03/22 10:27
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/28 16:31 9m coiby.xu@gmail.com https://github.com/coiby/linux.git syzbot8_test1 report log
2020/08/28 16:25 0m coiby.xu@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fb893de323e2d39f7a1f6df425703a2edbdf56ea error
2020/08/28 16:16 0m coiby.xu@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fb893de323e2d39f7a1f6df425703a2edbdf56ea error

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/03/12 03:23 upstream f78d76e72a46 bc15f7db .config log report syz
ci-upstream-kasan-gce-smack-root 2021/01/13 17:37 upstream e609571b5ffa bc15f7db .config log report syz
Crashes (73):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/08/13 07:48 upstream fb893de323e2 bc15f7db .config log report syz
ci-upstream-kasan-gce-smack-root 2020/08/07 12:24 upstream d6efb3ac3e6c cb436c69 .config log report syz
ci-upstream-net-this-kasan-gce 2020/10/04 20:34 net 1f7e877c2051 5ef9c291 .config log report syz
ci-upstream-net-this-kasan-gce 2020/08/10 05:21 net 7c7ab580db49 70301872 .config log report syz
ci-upstream-net-kasan-gce 2020/08/05 18:08 net-next 4c900a6b4e05 b7129355 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/12/14 15:04 upstream 2c85ebc57b3e 97183ed7 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/14 13:49 upstream 2c85ebc57b3e b22a7ec3 .config log report info
ci-qemu-upstream 2020/09/12 11:36 upstream 729e3d091984 21d289c2 .config log report
ci-qemu-upstream 2020/09/09 06:29 upstream fffe3ae0ee84 0ea7a887 .config log report
ci-upstream-kasan-gce-root 2020/09/02 08:00 upstream b765a32a2e91 abf9ba4f .config log report
ci-upstream-kasan-gce-smack-root 2020/09/01 07:48 upstream b51594df17d0 d5a3ae1f .config log report
ci-upstream-kasan-gce-root 2020/08/19 00:58 upstream 18445bf405cb e1c29030 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/05 15:22 upstream 442489c21923 b7129355 .config log report
ci-upstream-net-this-kasan-gce 2020/11/26 23:48 net cbf3d60329c4 1d2b823e .config log report info
ci-upstream-net-this-kasan-gce 2020/11/07 08:46 net bf3e76289cd2 64069d48 .config log report info
ci-upstream-net-this-kasan-gce 2020/10/12 07:17 net 874fb9e2ca94 4a77ae0b .config log report info
ci-upstream-net-this-kasan-gce 2020/09/09 19:27 net 843d926b003e 0ea7a887 .config log report
ci-upstream-net-this-kasan-gce 2020/09/09 02:35 net 19162fd4063a abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/09/06 14:54 net 94cc242a067a abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/09/01 12:02 net bb8872a1e6bc d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/09/01 00:57 net bb8872a1e6bc d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/30 01:23 net c8146fe292a7 d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/29 22:05 net c8146fe292a7 d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/29 06:04 net 5438dd45831e d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/27 05:16 net 2e1ec861a605 318430cb .config log report
ci-upstream-net-this-kasan-gce 2020/08/15 16:39 net 4ca0d9ac3fd8 424dd8e7 .config log report
ci-upstream-net-this-kasan-gce 2020/08/13 03:36 net 06a7a37be55e bc15f7db .config log report
ci-upstream-net-this-kasan-gce 2020/08/12 03:04 net 633f5b6bca9b bb3e5fe6 .config log report
ci-upstream-net-this-kasan-gce 2020/08/10 17:53 net 7c7ab580db49 7adc7b65 .config log report
ci-upstream-net-this-kasan-gce 2020/08/10 07:55 net 7c7ab580db49 70301872 .config log report
ci-upstream-net-this-kasan-gce 2020/08/07 15:43 net 8912fd6a61d7 cb436c69 .config log report
ci-upstream-net-kasan-gce 2020/12/04 20:49 net-next 55fd59b003f6 20366b87 .config log report info
ci-upstream-net-kasan-gce 2020/11/22 20:51 net-next f9e425e99b07 0d27f508 .config log report info
ci-upstream-net-kasan-gce 2020/11/18 15:46 net-next 6997faa997ba 09323409 .config log report info
ci-upstream-net-kasan-gce 2020/11/14 12:30 net-next 774626fa440e 1bf9a662 .config log report info
ci-upstream-net-kasan-gce 2020/11/12 10:03 net-next e545f8657393 cca87986 .config log report info
ci-upstream-net-kasan-gce 2020/11/07 22:22 net-next ae0d0bb29b31 64069d48 .config log report info
ci-upstream-net-kasan-gce 2020/09/28 05:09 net-next 090bc03bc938 5dd8aee8 .config log report info
ci-upstream-net-kasan-gce 2020/09/27 17:53 net-next 435be28b0789 5dd8aee8 .config log report info
ci-upstream-net-kasan-gce 2020/09/26 00:15 net-next aafe8853f5e2 4a006f63 .config log report info
ci-upstream-net-kasan-gce 2020/09/24 22:15 net-next 1a26e88d534b 54289b08 .config log report info
ci-upstream-net-kasan-gce 2020/09/12 17:26 net-next 5a6bd84f8154 ce441f06 .config log report
ci-upstream-net-kasan-gce 2020/09/09 01:27 net-next 4349abdb409b abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/09/07 16:00 net-next 02a20d4fef3d abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/09/06 09:18 net-next 447a851bdb1a abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/09/06 05:31 net-next 447a851bdb1a abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/08/31 04:07 net-next 0f091e43310f d5a3ae1f .config log report
ci-upstream-net-kasan-gce 2020/08/30 21:24 net-next 0f091e43310f d5a3ae1f .config log report
ci-upstream-net-kasan-gce 2020/08/30 09:34 net-next 0f091e43310f d5a3ae1f .config log report
ci-upstream-net-kasan-gce 2020/08/28 09:48 net-next 50aba46c234e 816e0689 .config log report
ci-upstream-net-kasan-gce 2020/08/27 11:46 net-next f09665811b14 816e0689 .config log report
ci-upstream-net-kasan-gce 2020/08/26 00:53 net-next fdf1923bf9f7 344da168 .config log report
ci-upstream-net-kasan-gce 2020/08/24 23:57 net-next 7611cbb900b4 67b599d1 .config log report
ci-upstream-net-kasan-gce 2020/08/23 20:38 net-next d7223aa58671 cef5ae68 .config log report
ci-upstream-net-kasan-gce 2020/08/16 19:39 net-next 7fca4dee610d 424dd8e7 .config log report
ci-upstream-net-kasan-gce 2020/08/16 05:39 net-next 7fca4dee610d 424dd8e7 .config log report
ci-upstream-net-kasan-gce 2020/08/15 02:46 net-next 7fca4dee610d 424dd8e7 .config log report
ci-upstream-net-kasan-gce 2020/08/14 18:01 net-next a1d21081a60d 424dd8e7 .config log report
ci-upstream-net-kasan-gce 2020/08/14 14:34 net-next a1d21081a60d 424dd8e7 .config log report
ci-upstream-net-kasan-gce 2020/08/14 00:13 net-next bfdd5aaa54b0 54ce1ed6 .config log report
ci-upstream-net-kasan-gce 2020/08/13 17:26 net-next bfdd5aaa54b0 bc15f7db .config log report
ci-upstream-net-kasan-gce 2020/08/13 08:12 net-next bfdd5aaa54b0 bc15f7db .config log report
ci-upstream-net-kasan-gce 2020/08/12 22:45 net-next bfdd5aaa54b0 bc15f7db .config log report
ci-upstream-net-kasan-gce 2020/08/10 22:37 net-next bfdd5aaa54b0 7adc7b65 .config log report
ci-upstream-net-kasan-gce 2020/08/08 20:06 net-next bfdd5aaa54b0 f721e4a0 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/11/13 01:44 linux-next 6dd65e60af98 16fca0c8 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/02 18:39 linux-next 2172e358cd17 4969d6ca .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/12 14:32 linux-next d5b2251d63b5 ce441f06 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/09/10 23:26 linux-next 7ce53e3a447b 409809d8 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/17 20:52 linux-next 0f1fa5848ab3 424dd8e7 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/17 03:58 linux-next 0f1fa5848ab3 424dd8e7 .config log report