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: 434d, last: 23d

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 320 8d07h 908d 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 8 56d 340d 0/1 upstream: reported on 2020/11/12 16:53
upstream BUG: unable to handle kernel paging request in lock_sock_nested 42 7d03h 439d 0/22 upstream: reported on 2020/08/05 16:09
linux-4.19 KASAN: wild-memory-access Write in lock_sock_nested 2 263d 332d 0/1 auto-closed as invalid on 2021/05/28 14:35
linux-4.14 general protection fault in lock_sock_nested 4 164d 382d 0/1 auto-closed as invalid on 2021/09/04 19:35
linux-4.19 KASAN: use-after-free Read in lock_sock_nested C 334 1h02m 815d 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 1794 2h29m 1020d 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 157d 276d 0/1 auto-closed as invalid on 2021/09/11 11:51
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/30 08:22 11m wanjiabing@vivo.com linux-next report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/09/22 00:17 upstream 92477dd1faa6 04201c06 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/08/22 09:53 upstream 9ff50bf2f2ff 04201c06 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/06/19 20:08 upstream d9403d307dba 04201c06 .config log report syz
Crashes (23):
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 a409ed156a90 04201c06 .config log report syz
ci-upstream-kasan-gce-root 2021/09/25 10:28 upstream 7d42e9818258 8cac236e .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-kasan-gce-selinux-root 2021/07/13 23:45 upstream 40226a3d96ef fa0594c3 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-qemu-upstream 2021/05/07 17:53 upstream 18a3c5f7abfd 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 d2b6f8a17919 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 4a0225c3d208 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 5e46d1b78a03 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 29c395c77a9a 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 c03c21ba6f4e 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 c03c21ba6f4e 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 1048ba83fb1c 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 19c329f68089 63631df1 .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-net-kasan-gce 2021/05/20 10:19 net-next bc6d076daa8c a343ba6b .config log report info KASAN: slab-out-of-bounds Read in lock_sock_nested
ci-upstream-linux-next-kasan-gce-root 2021/06/30 09:49 linux-next a1f92694393a 84fd4c77 .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 5ee88057889b 65a7a854 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/12 04:31 upstream 3d5e28bff7ad cca87986 .config log report info
ci-upstream-net-this-kasan-gce 2020/08/31 16:01 net c8146fe292a7 d5a3ae1f .config log report
ci-upstream-net-this-kasan-gce 2020/08/13 09:44 net 06a7a37be55e bc15f7db .config log report
ci-upstream-net-this-kasan-gce 2020/08/12 02:33 net 633f5b6bca9b bb3e5fe6 .config log report
ci-upstream-net-kasan-gce 2020/09/27 14:41 net-next 435be28b0789 5dd8aee8 .config log report info
ci-upstream-net-kasan-gce 2020/09/11 08:09 net-next 9984c0bb22dc adfb8b4e .config log report
ci-upstream-net-kasan-gce 2020/08/13 02:48 net-next bfdd5aaa54b0 bc15f7db .config log report
ci-upstream-net-kasan-gce 2020/08/10 18:04 net-next bfdd5aaa54b0 7adc7b65 .config log report