syzbot


general protection fault in kcm_sendmsg
Status: upstream: reported C repro on 2021/06/07 15:46
Reported-by: syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com
Fix commit: a47c397bb29f revert "net: kcm: fix memory leak in kcm_sendmsg"
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: 55d, last: 31d

Cause bisection: introduced by (bisect log) :
commit f9006acc8dfe59e25aa75729728ac57a8d84fc32
Author: Florian Westphal <fw@strlen.de>
Date: Wed Apr 21 07:51:08 2021 +0000

  netfilter: arp_tables: pass table pointer via nf_hook_ops

Crash: WARNING in __nf_unregister_net_hook (log)
Repro: C syz .config

Sample crash report:

Crashes (7957):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/06/06 02:10 upstream 9d32fa5d74b1 500c2339 .config log report syz C general protection fault in kcm_sendmsg
ci-upstream-bpf-kasan-gce 2021/06/04 08:56 bpf 1a8024239dac 0740de69 .config log report syz C general protection fault in kcm_sendmsg
ci-upstream-kasan-gce-smack-root 2021/06/19 17:00 upstream b1edae0d5f2e aba2b2fb .config log report info general protection fault in kcm_sendmsg
ci-upstream-kasan-gce-root 2021/06/19 16:51 upstream b1edae0d5f2e aba2b2fb .config log report info general protection fault in kcm_sendmsg
ci-upstream-kasan-gce-selinux-root 2021/06/18 01:04 upstream 70585216fe77 aba2b2fb .config log report info general protection fault in kcm_sendmsg
ci-upstream-kasan-gce 2021/06/15 09:28 upstream 009c9aa5be65 1ba81399 .config log report info general protection fault in kcm_sendmsg
ci-qemu-upstream 2021/06/15 05:49 upstream 009c9aa5be65 1ba81399 .config log report info general protection fault in kcm_sendmsg
ci-upstream-kasan-gce-386 2021/06/18 10:41 upstream fd0aa1a4567d aba2b2fb .config log report info general protection fault in kcm_sendmsg
ci-qemu-upstream-386 2021/06/15 06:36 upstream 009c9aa5be65 1ba81399 .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-kasan-gce 2021/06/15 09:26 bpf 973377ffe814 1ba81399 .config log report info general protection fault in kcm_sendmsg
ci-upstream-net-this-kasan-gce 2021/06/06 18:45 net 3822d0670c9d 500c2339 .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-kasan-gce 2021/06/04 07:41 bpf 1a8024239dac 0740de69 .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/29 00:53 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 23:50 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 23:16 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 22:11 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 21:05 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 20:19 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 18:52 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 18:32 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 17:32 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 16:24 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 15:24 bpf-next 328aac5ecd11 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 13:20 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 12:48 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 11:44 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 10:39 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 09:20 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 09:08 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 07:56 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 06:51 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 05:34 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 05:32 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 04:24 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 03:09 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 01:39 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/28 00:55 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 23:46 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 22:39 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 21:49 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 20:41 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 19:28 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 18:47 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 17:41 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 16:38 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 15:46 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 14:46 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 13:43 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 13:03 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 11:53 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 10:35 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 09:17 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 08:10 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 07:06 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-bpf-next-kasan-gce 2021/06/27 06:42 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in kcm_sendmsg
ci-upstream-net-kasan-gce 2021/06/17 19:34 net-next 0c33795231bf aba2b2fb .config log report info general protection fault in kcm_sendmsg
ci-qemu2-arm64 2021/06/19 08:25 upstream b1edae0d5f2e aba2b2fb .config log report info BUG: unable to handle kernel paging request in kcm_sendmsg
ci-qemu2-arm64 2021/06/19 08:00 upstream b1edae0d5f2e aba2b2fb .config log report info BUG: unable to handle kernel paging request in kcm_sendmsg
ci-upstream-bpf-kasan-gce 2021/06/14 22:53 bpf 11fc79fc9f2e 1ba81399 .config log report info KASAN: use-after-free Read in kcm_sendmsg