syzbot


possible deadlock in smc_switch_to_fallback
Status: upstream: reported on 2021/11/20 02:47
Reported-by: syzbot+e979d3597f48262cb4ee@syzkaller.appspotmail.com
Fix commit: 7a61432dc813 net/smc: Avoid warning of possible recursive locking
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-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-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce]
First crash: 21d, last: now

Sample crash report:

Crashes (42119):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/11/26 21:45 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-kasan-gce 2021/11/26 17:12 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-kasan-gce-root 2021/11/26 15:20 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-kasan-gce-smack-root 2021/11/26 12:30 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-qemu-upstream 2021/11/25 22:21 upstream b501b85957de 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-kasan-gce-root 2021/11/20 00:57 upstream 9539ba4308ad 3a9d0024 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-kasan-gce-386 2021/11/26 15:12 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-qemu2-arm64-compat 2021/11/26 11:20 upstream a4849f6000e2 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-qemu2-arm64 2021/11/25 23:59 upstream b501b85957de 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-qemu-upstream-386 2021/11/25 05:58 upstream 5f53fa508db0 545ab074 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 03:48 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 03:28 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 02:59 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 02:31 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 01:54 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 01:01 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/07 00:33 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 23:32 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 23:04 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 22:41 bpf 2fa7d94afc1a 0230ba3e .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 22:17 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 22:04 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 21:49 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 21:35 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 21:20 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 21:07 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 20:50 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 20:35 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 20:20 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 20:05 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 19:50 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 19:30 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 19:16 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 19:03 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 18:46 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 18:32 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 18:18 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 18:05 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 17:47 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 17:33 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 17:15 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 16:57 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 16:43 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 16:26 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 16:07 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 15:50 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 15:35 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 15:16 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 14:55 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 14:26 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 13:40 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-bpf-kasan-gce 2021/12/06 13:16 bpf 2fa7d94afc1a 579a8754 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-net-this-kasan-gce 2021/11/22 23:42 net 3bd6b2a838ba 545ab074 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-net-this-kasan-gce 2021/11/16 02:42 net cf4f5530bb55 83f5c9b5 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-net-kasan-gce 2021/11/27 06:33 net-next 35bf8c86eeb8 63eeac02 .config log report info possible deadlock in smc_switch_to_fallback
ci-upstream-linux-next-kasan-gce-root 2021/11/22 22:36 linux-next 5191249f8803 545ab074 .config log report info possible deadlock in smc_switch_to_fallback