syzbot


KASAN: null-ptr-deref Write in rhashtable_free_and_destroy (2)
Status: upstream: reported C repro on 2021/04/13 05:58
Reported-by: syzbot+860268315ba86ea6b96b@syzkaller.appspotmail.com
First crash: 238d, last: 9d18h

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 4078c983feb930bc2a3e3f8ffa6fa65fdf466c8f
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri Sep 27 13:14:27 2019 +0000

  drm/i915: Switch intel_legacy_cursor_update() to intel_ types

Crash: WARNING in rhashtable_free_and_destroy (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: null-ptr-deref Write in rhashtable_free_and_destroy 11 282d 359d 21/22 fixed on 2021/03/10 01:49
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in rhashtable_free_and_destroy C error 18 5h08m 402d 0/1 upstream: reported C repro on 2020/10/21 05:32
Patch testing requests:
Created Duration User Patch Repo Result
2021/08/31 14:16 10m phind.uet@gmail.com linux-next report log
2021/05/07 20:00 9m alaaemadhossney.ae@gmail.com upstream error
2021/05/07 14:51 10m alaaemadhossney.ae@gmail.com upstream error
2021/04/27 01:30 10m alaaemadhossney.ae@gmail.com upstream 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-root 2021/10/31 04:37 upstream 180eca540ae0 2a82f1b3 .config log report syz C
Crashes (25):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/04/26 07:16 upstream 9f4ad9e425a1 2a82f1b3 .config log report syz C KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/11/18 06:04 upstream ee1703cda8dc cafff8b6 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce 2021/11/09 08:23 upstream e851dfae4371 8ab17e57 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/09/07 19:09 upstream 4b93c544e90e 6ca60148 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-smack-root 2021/09/07 08:32 upstream 0319b848b155 6ca60148 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/09/06 06:24 upstream 0319b848b155 d236a457 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/09/05 17:06 upstream 49624efa65ac d236a457 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce 2021/08/25 23:46 upstream fe67f4dd8daa b599f2fc .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/08/19 08:47 upstream d6d09a694205 a2fe1cb5 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/07/10 11:24 upstream 3dbdb38e2869 8f5a7b8c .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce 2021/06/28 20:23 upstream 62fb9874f5da 9d2ab5df .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/06/02 08:08 upstream 231bc5390667 032639db .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-smack-root 2021/05/14 14:06 upstream 315d99318179 8bdd5343 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce 2021/05/10 14:31 upstream 6efb943b8616 ca873091 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/04/29 15:35 upstream d72cd4ad4174 77e2b668 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/04/26 07:00 upstream 9f4ad9e425a1 2a82f1b3 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-root 2021/04/18 09:13 upstream 194cf4825638 7e2b734b .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-smack-root 2021/04/03 16:25 upstream d93a0d43e3d0 6a81331a .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-386 2021/11/06 04:22 upstream fe91c4725aee 4c1be0be .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-kasan-gce-386 2021/09/03 00:42 upstream 4ac6d90867a4 15cea0a3 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-net-this-kasan-gce 2021/08/03 10:41 net 0541a6293298 6c236867 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-net-kasan-gce 2021/11/09 02:34 net-next cc0356d6a02e 8ab17e57 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-net-kasan-gce 2021/09/30 07:25 net-next ef91abfb20c7 be530f6c .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-net-kasan-gce 2021/09/22 05:14 net-next 07b855628c22 169724fe .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy
ci-upstream-net-kasan-gce 2021/07/25 15:02 net-next c5381154393d 4d1b57d4 .config log report info KASAN: null-ptr-deref Write in rhashtable_free_and_destroy