syzbot


KASAN: use-after-free Read in relay_switch_subbuf
Status: upstream: reported C repro on 2018/09/26 07:41
Reported-by: syzbot+29093015c21333d1c46d@syzkaller.appspotmail.com
First crash: 1119d, last: 550d

Cause bisection: introduced by (bisect log) :
commit 21c75ad65f8e5213ec542d99c259ffe3e3671e81
Author: YueHaibing <yuehaibing@huawei.com>
Date: Thu Mar 21 08:26:28 2019 +0000

  parport_cs: Fix memory leak in parport_config

Crash: KASAN: use-after-free Read in relay_switch_subbuf (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in relay_switch_subbuf 10 479d 903d 0/1 auto-closed as invalid on 2020/10/24 01:02
linux-4.14 KASAN: use-after-free Read in relay_switch_subbuf C done unreliable 4 344d 713d 0/1 upstream: reported C repro on 2019/11/05 17:36
linux-4.19 KASAN: use-after-free Read in relay_switch_subbuf (2) 1 1d03h 1d03h 0/1 upstream: reported on 2021/10/17 18:33
Patch testing requests:
Created Duration User Patch Repo Result
2021/03/15 02:41 18m ducheng2@gmail.com upstream OK

Sample crash report:

Crashes (63):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/11/08 16:33 upstream 847120f859cc 1e35461e .config log report syz C
ci-upstream-kasan-gce 2019/11/06 07:57 upstream 26bc67213424 bc2c6e45 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/25 22:25 linux-next c165016bac27 371caf77 .config log report syz C
ci-upstream-kasan-gce 2020/02/09 23:30 upstream d1ea35f4cdd4 35f5e45e .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/29 22:50 upstream a99efa00891b af6b8ef8 .config log report
ci-upstream-kasan-gce-selinux-root 2019/11/17 19:36 upstream fe30021c36fb d5696d51 .config log report
ci-upstream-kasan-gce-root 2019/10/29 18:01 upstream 8005803a2ca0 5ea87a66 .config log report
ci-upstream-kasan-gce-smack-root 2019/10/21 15:07 upstream 7d194c2100ad b24d2b8a .config log report
ci-upstream-kasan-gce 2019/10/17 02:11 upstream bc88f85c6c09 8c88c9c1 .config log report
ci-upstream-kasan-gce 2019/10/16 16:06 upstream 3b1f00aceb7a d4ea592f .config log report
ci-upstream-kasan-gce 2019/10/01 02:11 upstream 54ecb8f7028c c7a4fb99 .config log report
ci-upstream-kasan-gce 2019/09/25 16:43 upstream 351c8a09b00b a3355dba .config log report
ci-upstream-kasan-gce 2019/09/16 07:31 upstream 4d856f72c10e 32d59357 .config log report
ci-upstream-kasan-gce-root 2019/09/14 11:35 upstream a7f89616b737 32d59357 .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/12 03:51 upstream 3120b9a6a3f7 f4e53c10 .config log report
ci-upstream-kasan-gce 2019/09/08 01:43 upstream b3a9964cfa69 a60cb4cd .config log report
ci-upstream-kasan-gce-root 2019/08/31 22:24 upstream eea173097dfb bad3cce2 .config log report
ci-upstream-kasan-gce 2019/08/31 10:53 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce 2019/08/31 05:22 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce 2019/08/30 22:35 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/30 08:37 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce 2019/08/30 05:38 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce 2019/08/26 22:37 upstream a55aa89aab90 d21c5d9d .config log report
ci-upstream-kasan-gce 2019/08/26 19:46 upstream a55aa89aab90 d21c5d9d .config log report
ci-upstream-kasan-gce 2019/08/18 13:31 upstream 8fde2832bd0b 55bf8926 .config log report
ci-upstream-kasan-gce-root 2019/08/17 11:49 upstream 6e625a1a3f47 8fd428a1 .config log report
ci-upstream-kasan-gce 2019/08/13 10:40 upstream d45331b00ddb 8620c2c2 .config log report
ci-upstream-kasan-gce 2019/08/06 01:19 upstream e21a712a9685 6affd8e8 .config log report
ci-upstream-kasan-gce 2019/08/04 16:16 upstream d8778f13b73f 6affd8e8 .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/03 17:57 upstream dcb8cfbd8fe9 6affd8e8 .config log report
ci-upstream-kasan-gce 2019/08/03 13:19 upstream 755f1fed27f4 6affd8e8 .config log report
ci-upstream-kasan-gce 2019/08/02 22:14 upstream 755f1fed27f4 6affd8e8 .config log report
ci-upstream-kasan-gce 2019/08/02 19:43 upstream 1e78030e5e5b 835dffe7 .config log report
ci-upstream-kasan-gce 2019/08/02 16:41 upstream 1e78030e5e5b 835dffe7 .config log report
ci-upstream-kasan-gce-root 2019/06/23 03:05 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/22 19:51 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-selinux-root 2019/06/12 03:12 upstream aa7235483a83 ea2f4006 .config log report
ci-upstream-kasan-gce 2019/06/10 14:22 upstream d1fdb6d8f6a4 0159583c .config log report
ci-upstream-kasan-gce-smack-root 2019/05/04 04:57 upstream a4ccb5f9dc6c d28f4ce5 .config log report
ci-upstream-kasan-gce 2019/05/04 03:42 upstream a4ccb5f9dc6c d28f4ce5 .config log report
ci-upstream-kasan-gce 2019/04/30 16:17 upstream 83a50840e72a 20f16bef .config log report
ci-upstream-kasan-gce 2019/04/25 10:55 upstream cd8dead0c394 8e3c52b1 .config log report
ci-upstream-kasan-gce-selinux-root 2019/04/17 16:02 upstream 444fe9913539 b0e8efcb .config log report
ci-upstream-kasan-gce 2019/04/16 18:27 upstream 618d919cae2f 505ab413 .config log report
ci-upstream-kasan-gce 2019/04/12 12:20 upstream 2d06b235815e 8916f5e1 .config log report
ci-upstream-kasan-gce 2019/04/07 08:39 upstream faac51ddac45 c34fde03 .config log report
ci-upstream-kasan-gce 2019/03/12 01:03 upstream a089e4fed5c5 12365b99 .config log report
ci-upstream-kasan-gce-root 2019/02/20 01:36 upstream 40e196a906d9 4df543c9 .config log report
ci-upstream-kasan-gce 2019/02/08 14:05 upstream 74e96711e337 aa4feb03 .config log report
ci-upstream-kasan-gce 2019/01/28 13:30 upstream f17b5f06cb92 629c2a27 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/27 13:27 upstream ba6069759381 c73f090a .config log report
ci-upstream-kasan-gce 2019/01/16 08:30 upstream 7939f8beecf1 b47fa78d .config log report
ci-upstream-kasan-gce 2018/12/30 04:44 upstream 195303136f19 35e3f847 .config log report
ci-upstream-kasan-gce 2018/12/20 04:24 upstream ab63e725b49c 02e69052 .config log report
ci-upstream-kasan-gce-root 2018/12/01 22:15 upstream d8f190ee836a 5a581673 .config log report
ci-upstream-kasan-gce 2018/11/12 07:35 upstream e12e00e388de 7b5f8621 .config log report
ci-upstream-kasan-gce-root 2018/11/03 11:13 upstream 5f21585384a4 8bd6bd63 .config log report
ci-upstream-kasan-gce-root 2018/10/20 07:12 upstream c7b70a641df2 ecb386fe .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/02 20:33 upstream 1d2ba7fee28b a316a2af .config log report
ci-upstream-kasan-gce-smack-root 2018/09/25 10:16 upstream 2dd68cc7fd8c 0e7547d7 .config log report
ci-upstream-kasan-gce-386 2020/04/15 22:34 upstream 8632e9b5645b 3f3c5574 .config log report
ci-upstream-kasan-gce-386 2019/04/16 00:25 upstream 5512320c9f6f 505ab413 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/03 10:31 linux-next c63e9e91a254 1c0e457a .config log report