syzbot


kernel BUG at net/phonet/socket.c:LINE!
Status: upstream: reported C repro on 2020/04/10 07:16
Reported-by: syzbot+2dc91e7fc3dea88b1e8a@syzkaller.appspotmail.com
Fix commit: 75a2f3152009 phonet/pep: refuse to enable an unbound pipe
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte 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-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-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 659d, last: 37d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG in pn_socket_autobind (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG in pn_socket_autobind (2) C error 3 39d 158d 0/1 upstream: reported C repro on 2021/08/23 00:08
linux-4.19 kernel BUG in pn_socket_autobind 1 293d 293d 0/1 auto-closed as invalid on 2021/08/07 18:14

Sample crash report:

Crashes (168):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/12/19 14:58 net 60ec7fcfe768 44068e19 .config log report syz C kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/19 15:31 net-next f85b244ee395 44068e19 .config log report syz C kernel BUG in pn_socket_autobind
ci-upstream-kasan-gce-root 2021/12/21 20:24 upstream 6e0567b73052 a938f0b8 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/12/19 13:13 net 60ec7fcfe768 44068e19 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/12/06 15:48 net 2be6d4d16a08 579a8754 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/12/04 20:25 net 2be6d4d16a08 a617004c .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/21 21:44 net f9390b249c90 4eb20a4e .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/19 02:35 net c7521d3aa2fa 31a30fc0 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/16 21:57 net 848e5d66fa31 600426bd .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/15 04:26 net 1aa3b2207e88 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/14 12:37 net 70701b83e208 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/14 06:55 net 70701b83e208 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/12 15:08 net 5833291ab6de 75b04091 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/11 01:52 net 8f1bc38bbb51 75b04091 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/09 20:31 net 0b9111922b1f 59bcaf9a .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/07 04:41 net 70bf363d7adb 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/07 02:04 net 70bf363d7adb 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/06 23:37 net 70bf363d7adb 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2021/11/04 14:47 net 92f62485b371 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce 2020/04/09 03:56 net b93cfb9cd3af db9bcd4b .config log report
ci-upstream-net-kasan-gce 2021/12/14 02:48 net-next a3c62a042237 5d14b1ea .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/08 06:15 net-next 1c5526968e27 0230ba3e .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/06 00:01 net-next ce83278f313c a617004c .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/05 09:16 net-next ce83278f313c a617004c .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/05 05:04 net-next ce83278f313c a617004c .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/12/03 10:54 net-next fc993be36f9e 61f86278 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/30 23:39 net-next 72a2ff567fc3 80270552 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/28 15:25 net-next d40ce48cb3a6 63eeac02 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/21 07:57 net-next 89f971182417 4eb20a4e .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/20 23:12 net-next 520fbdf7fb19 4eb20a4e .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/18 19:01 net-next bb8cecf8ba12 31a30fc0 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/18 12:28 net-next 75082e7f4680 cafff8b6 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/17 07:58 net-next 62803fec52f8 cafff8b6 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/16 23:30 net-next 62803fec52f8 cafff8b6 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/16 07:40 net-next 3ad4b7c81a99 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/15 10:14 net-next 1274a4eb318d 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/15 05:18 net-next 1274a4eb318d 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/14 16:33 net-next 1274a4eb318d 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/14 08:04 net-next 66f4beaa6c1d 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/12 21:54 net-next 5833291ab6de 83f5c9b5 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/12 06:35 net-next 5833291ab6de 75b04091 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/11 19:40 net-next cc0356d6a02e 75b04091 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/09 11:15 net-next cc0356d6a02e 8ab17e57 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/08 21:10 net-next cc0356d6a02e d29682f1 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/08 13:05 net-next cc0356d6a02e d29682f1 .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/06 09:39 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/06 07:02 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/06 01:37 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/05 10:26 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/04 19:17 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/11/04 17:39 net-next cc0356d6a02e 4c1be0be .config log report info kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce 2021/01/17 02:45 net-next 9ab7e76aefc9 65a7a854 .config log report info