syzbot


KASAN: slab-out-of-bounds Read in lock_sock_nested
Status: upstream: reported syz repro on 2020/08/11 16:59
Reported-by: syzbot+9a0875bc1b2ca466b484@syzkaller.appspotmail.com
First crash: 279d, last: 9d03h

Cause bisection: introduced by (bisect log) [release commit]:
commit c470abd4fde40ea6a0846a2beab642a578c0b8cd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Feb 19 22:34:00 2017 +0000

  Linux 4.10

Crash: KASAN: use-after-free Read in lock_sock_nested (log)
Repro: syz .config
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in lock_sock_nested C inconclusive 300 5h40m 753d 0/1 upstream: reported C repro on 2019/04/24 06:28
linux-4.19 KASAN: slab-out-of-bounds Read in lock_sock_nested 6 2d03h 185d 0/1 upstream: reported on 2020/11/12 16:53
upstream BUG: unable to handle kernel paging request in lock_sock_nested 35 1d00h 284d 0/22 upstream: reported on 2020/08/05 16:09
linux-4.19 KASAN: wild-memory-access Write in lock_sock_nested 2 108d 177d 0/1 upstream: reported on 2020/11/20 18:06
linux-4.14 general protection fault in lock_sock_nested 4 9d01h 227d 0/1 upstream: reported on 2020/10/01 19:05
linux-4.19 KASAN: use-after-free Read in lock_sock_nested C 231 17h35m 659d 0/1 upstream: reported C repro on 2019/07/26 21:27
upstream KASAN: use-after-free Read in lock_sock_nested C inconclusive done 1430 47m 865d 0/22 upstream: reported C repro on 2019/01/02 10:41
linux-4.14 BUG: unable to handle kernel paging request in lock_sock_nested 4 2d09h 121d 0/1 upstream: reported on 2021/01/15 05:46

Sample crash report:

Crashes (19):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/12/19 07:55 upstream a409ed15 04201c06 .config log report syz
ci-qemu-upstream 2021/05/07 17:53 upstream 18a3c5f7 f6da8120 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/05/02 23:08 upstream d2b6f8a1 77e2b668 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/04/27 06:07 upstream 4a0225c3 805b5003 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/03/31 15:20 upstream 5e46d1b7 6a81331a .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-root 2021/02/25 15:16 upstream 29c395c7 76f7fc95 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/02/24 06:45 upstream c03c21ba fcc6d71b .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/02/24 05:35 upstream c03c21ba fcc6d71b .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/02/01 15:25 upstream 1048ba83 e6b95f32 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-smack-root 2021/01/18 20:36 upstream 19c329f6 63631df1 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/01/15 22:28 upstream 5ee88057 65a7a854 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/12 04:31 upstream 3d5e28bf cca87986 .config log report info
ci-upstream-net-this-kasan-gce 2020/08/31 16:01 net c8146fe2 d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/13 09:44 net 06a7a37b bc15f7db .config log report
ci-upstream-net-this-kasan-gce 2020/08/12 02:33 net 633f5b6b bb3e5fe6 .config log report
ci-upstream-net-kasan-gce 2020/09/27 14:41 net-next 435be28b 5dd8aee8 .config log report info
ci-upstream-net-kasan-gce 2020/09/11 08:09 net-next 9984c0bb adfb8b4e .config log report
ci-upstream-net-kasan-gce 2020/08/13 02:48 net-next bfdd5aaa bc15f7db .config log report
ci-upstream-net-kasan-gce 2020/08/10 18:04 net-next bfdd5aaa 7adc7b65 .config log report