syzbot


BUG: unable to handle kernel NULL pointer dereference in bpf
Status: internal: reported C repro on 2021/10/30 12:57
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: ad10c381d133 bpf: Add missing map_delete_elem method to bloom filter map
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: 32d, last: 16h28m

Cause bisection: introduced by (bisect log) :
commit 9330986c03006ab1d33d243b7cfe598a7a3c1baa
Author: Joanne Koong <joannekoong@fb.com>
Date: Wed Oct 27 23:45:00 2021 +0000

  bpf: Add bloom filter map implementation

Crash: BUG: unable to handle kernel NULL pointer dereference in bpf (log)
Repro: C syz .config

Sample crash report:

Crashes (32):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-bpf-next-kasan-gce 2021/10/30 13:12 bpf-next f48ad69097fe 098b5d53 .config log report syz C BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-net-this-kasan-gce 2021/11/28 09:07 net c5c17547b778 63eeac02 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-net-this-kasan-gce 2021/11/18 19:43 net c7521d3aa2fa 31a30fc0 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/12/01 00:25 bpf-next c291d0a4d169 80270552 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/30 11:31 bpf-next 43174f0d4597 80270552 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/27 10:31 bpf-next e32cb12ff52a 63eeac02 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/26 02:54 bpf-next e4f7ac90c2b0 63eeac02 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/23 07:35 bpf-next fa721d4f0b91 545ab074 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/22 09:46 bpf-next 8cccee9e91e1 4eb20a4e .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/21 00:46 bpf-next 8cccee9e91e1 4eb20a4e .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/20 21:08 bpf-next 8cccee9e91e1 4eb20a4e .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/18 08:53 bpf-next dd7f091fd22b cafff8b6 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/17 23:33 bpf-next db813d7bd919 cafff8b6 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/17 12:31 bpf-next db813d7bd919 cafff8b6 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/17 03:29 bpf-next d41bc48bfab2 cafff8b6 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/15 07:15 bpf-next e5043894b21f 83f5c9b5 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/13 11:18 bpf-next 325d956d6717 83f5c9b5 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/11 12:40 bpf-next 5577f24cb04a 75b04091 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/09 20:03 bpf-next 5577f24cb04a 59bcaf9a .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/08 09:05 bpf-next 5577f24cb04a 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/08 09:02 bpf-next 5577f24cb04a 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/08 05:21 bpf-next 5577f24cb04a 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/07 08:10 bpf-next b8b5cb55f5d3 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/06 20:28 bpf-next be2f2d1680df 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/05 13:42 bpf-next be2f2d1680df 4c1be0be .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/11/01 11:00 bpf-next f48ad69097fe 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/10/31 03:23 bpf-next f48ad69097fe 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/10/30 19:25 bpf-next f48ad69097fe 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/10/30 16:19 bpf-next f48ad69097fe 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-bpf-next-kasan-gce 2021/10/30 12:56 bpf-next f48ad69097fe 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-linux-next-kasan-gce-root 2021/11/11 07:15 linux-next ad8be4fa6e81 75b04091 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf
ci-upstream-linux-next-kasan-gce-root 2021/10/31 10:24 linux-next bdcc9f6a5682 098b5d53 .config log report info BUG: unable to handle kernel NULL pointer dereference in bpf