syzbot


BUG: MAX_LOCKDEP_CHAINS too low! (2)
Status: upstream: reported C repro on 2020/07/21 19:23
Reported-by: syzbot+4c0c011e71ae95a85ffe@syzkaller.appspotmail.com
Fix commit: 5dc33592e955 lockdep: Allow tuning tracing capacity constants.
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: 371d, last: 3h17m

Cause bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: MAX_LOCKDEP_CHAINS too low! 401 65d 663d 0/1 upstream: reported on 2019/09/29 10:02
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 9432 31m 826d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! C done 17240 371d 1029d 17/22 fixed on 2020/07/17 17:58

Sample crash report:

Crashes (81209):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/07/22 06:37 upstream 4fa640dc5230 21f1765e .config log report syz C
ci-upstream-kasan-gce 2020/07/22 02:31 upstream 4fa640dc5230 21f1765e .config log report syz C
ci-upstream-kasan-gce-root 2020/07/19 00:15 upstream 6a70f89cc58f 9c812472 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/07/18 08:02 upstream 8882572675c1 9c812472 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/20 08:29 net a463fa2cda56 9c812472 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/20 04:03 net-next a050d82f5b04 9c812472 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/18 17:05 net-next a050d82f5b04 9c812472 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/07/18 17:48 linux-next 4c43049f19a2 9c812472 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/07/24 01:22 upstream 8baef6386baa bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/24 00:03 upstream 8baef6386baa bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/23 04:28 upstream 9bead1b58c4c bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/23 03:12 upstream 9bead1b58c4c bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/22 16:23 upstream 3d5895cd3517 302e51de .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/22 15:02 upstream 3d5895cd3517 302e51de .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/22 05:11 upstream 7b6ae471e541 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/22 02:47 upstream 7b6ae471e541 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/21 19:55 upstream 8cae8cd89f05 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/21 18:01 upstream 8cae8cd89f05 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/20 17:02 upstream 8cae8cd89f05 1b201b48 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/20 15:32 upstream 8cae8cd89f05 1b201b48 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/20 14:19 upstream 8cae8cd89f05 bc48c9ab .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/20 00:01 upstream 2734d6c1b1a0 bc48c9ab .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/19 22:57 upstream 2734d6c1b1a0 bc48c9ab .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/19 12:02 upstream 2734d6c1b1a0 e6a17580 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/19 10:41 upstream 2734d6c1b1a0 e6a17580 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/19 05:11 upstream 2734d6c1b1a0 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/19 04:02 upstream 2734d6c1b1a0 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/19 00:55 upstream 1d67c8d993ba f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/18 17:02 upstream 1d67c8d993ba f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/18 16:00 upstream 1d67c8d993ba f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2021/07/18 12:44 upstream ccbb22b9ab86 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/18 11:37 upstream 1d67c8d993ba f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/18 03:13 upstream ccbb22b9ab86 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/18 01:56 upstream ccbb22b9ab86 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2021/07/17 21:59 upstream d980cc0620ae f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/07/17 06:18 upstream d980cc0620ae f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2021/07/17 03:13 upstream d936eb238744 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2021/07/17 01:50 upstream d936eb238744 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/07/16 14:28 upstream d936eb238744 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386 2021/04/26 19:00 upstream 9f4ad9e425a1 805b5003 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2021/07/21 00:57 net 6c2d125823ae 1b201b48 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2021/07/21 00:49 net 6c2d125823ae 1b201b48 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-kasan-gce 2021/05/12 02:09 bpf bbd6f0a94813 b3c3bb8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/23 15:03 net-next 4431531c482a bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/21 21:04 net-next 54cb43199e14 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/18 23:52 net-next 0d6835ffe50c f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/18 06:00 net-next 23d2b94043ca f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/17 10:38 net-next ab0441b4a920 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/16 22:49 net-next 87117baf4f92 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/16 08:57 net-next 5c2c85315948 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/07/16 01:38 net-next 5c2c85315948 f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce 2021/05/10 10:42 bpf-next 3733bfbbdd28 bc5434be .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/23 11:16 linux-next 90d856e71443 bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/23 10:42 linux-next 90d856e71443 bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/23 09:36 linux-next 90d856e71443 bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/23 01:01 linux-next 7468cbf5c917 bc5f1d88 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/22 13:58 linux-next 7468cbf5c917 302e51de .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/22 09:56 linux-next 7468cbf5c917 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/22 08:55 linux-next 7468cbf5c917 29c3f20f .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/21 10:27 linux-next b1347210b01d 1b201b48 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/19 02:36 linux-next c1a6d08348fc f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/07/16 02:39 linux-next c1a6d08348fc f115ae98 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2021/01/17 14:26 upstream 0da0a8a0a0e1 813be542 .config log report info
ci-upstream-net-kasan-gce 2020/07/17 19:21 net-next 4291dc1a5608 9c812472 .config log report