syzbot


kernel BUG at arch/x86/mm/physaddr.c:LINE! (5)
Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+0bfda3ade1ee9288a1be@syzkaller.appspotmail.com
Fix commit: 57d38f26d81e vt: fix unicode console freeing with a common interface
First crash: 582d, last: 505d

Cause bisection: introduced by (bisect log) :
commit 9a98e7a80f95378c9ee0c644705e3b5aa54745f1
Author: Nicolas Pitre <nico@fluxnic.net>
Date: Sun Mar 29 02:25:11 2020 +0000

  vt: don't use kmalloc() for the unicode screen buffer

Crash: kernel BUG at arch/x86/mm/physaddr.c:LINE! (log)
Repro: C syz .config
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (2) C done 522 900d 1110d 13/22 fixed on 2019/06/14 18:22
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (6) 88 5d10h 489d 0/22 upstream: reported on 2020/07/29 21:34
linux-4.19 kernel BUG at arch/x86/mm/physaddr.c:LINE! (2) C done 82 558d 699d 1/1 fixed on 2020/06/20 23:56
linux-4.19 kernel BUG at arch/x86/mm/physaddr.c:LINE! syz done 1 886d 885d 1/1 fixed on 2019/12/16 09:09
linux-4.14 kernel BUG at arch/x86/mm/physaddr.c:LINE! C inconclusive 23 249d 706d 0/1 upstream: reported C repro on 2019/12/26 02:01
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (3) 4 892d 891d 0/22 auto-closed as invalid on 2019/10/25 08:46
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! C 10 1115d 1147d 12/22 fixed on 2018/11/12 21:25
linux-4.19 kernel BUG at arch/x86/mm/physaddr.c:LINE! (3) 55 12d 504d 0/1 upstream: reported on 2020/07/14 16:42
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (4) C 18 613d 648d 17/22 fixed on 2020/04/15 17:19

Sample crash report:

Crashes (241):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2020/05/02 14:47 upstream 690e2aba7beb 58da4c35 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/27 11:21 upstream 6a8b55ed4056 0ce7569e .config log report syz C
ci-upstream-kasan-gce-386 2020/05/02 15:21 upstream 690e2aba7beb 58da4c35 .config log report syz
ci-upstream-kasan-gce-root 2020/07/12 13:53 upstream 0aea6d5c5be3 115e1930 .config log report
ci-upstream-kasan-gce 2020/07/10 08:48 upstream 42f82040ee66 edf162e8 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/08 22:47 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-kasan-gce-root 2020/07/08 21:46 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-kasan-gce 2020/07/08 12:27 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce 2020/07/08 02:26 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce 2020/07/07 21:22 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-root 2020/07/07 16:28 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/06 16:56 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce 2020/07/06 01:52 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce 2020/07/02 21:10 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce 2020/06/01 23:55 upstream 9bf9511e3d9f a0331e89 .config log report
ci-upstream-kasan-gce 2020/05/28 16:50 upstream b0c3ba31be3e 0d951763 .config log report
ci-upstream-kasan-gce 2020/05/26 04:02 upstream 9cb1fd0efd19 8ca3b7d2 .config log report
ci-upstream-kasan-gce 2020/05/25 00:50 upstream caffb99b6929 bd28eb9d .config log report
ci-upstream-kasan-gce 2020/05/24 16:00 upstream caffb99b6929 bd28eb9d .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/23 21:17 upstream 444565650a5f 9682898d .config log report
ci-upstream-kasan-gce-smack-root 2020/05/18 18:49 upstream 45088963ca9c 684d3606 .config log report
ci-upstream-kasan-gce 2020/05/17 22:45 upstream 5a9ffb954a39 37bccd4e .config log report
ci-upstream-kasan-gce 2020/05/15 12:53 upstream 1ae7efb38854 d7f9fffa .config log report
ci-upstream-kasan-gce-smack-root 2020/05/08 05:05 upstream 6e7f2eacf098 6c70a1c2 .config log report
ci-upstream-kasan-gce 2020/05/08 00:32 upstream 6e7f2eacf098 6c70a1c2 .config log report
ci-upstream-kasan-gce-root 2020/05/07 20:48 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce-root 2020/05/07 19:44 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce-root 2020/05/07 15:31 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce 2020/05/07 08:31 upstream a811c1fa0a02 4618eb2d .config log report
ci-upstream-kasan-gce 2020/05/07 07:14 upstream a811c1fa0a02 4618eb2d .config log report
ci-upstream-kasan-gce 2020/05/06 13:52 upstream dc56c5acd850 4618eb2d .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/06 12:44 upstream dc56c5acd850 4618eb2d .config log report
ci-upstream-kasan-gce 2020/05/06 11:26 upstream dc56c5acd850 35b8eb30 .config log report
ci-upstream-kasan-gce-smack-root 2020/05/06 07:04 upstream dc56c5acd850 35b8eb30 .config log report
ci-upstream-kasan-gce-root 2020/05/06 04:27 upstream dc56c5acd850 35b8eb30 .config log report
ci-upstream-kasan-gce-root 2020/05/06 03:21 upstream dc56c5acd850 35b8eb30 .config log report
ci-upstream-kasan-gce-smack-root 2020/04/27 08:31 upstream 6a8b55ed4056 0ce7569e .config log report
ci-upstream-kasan-gce-386 2020/05/25 08:36 upstream 9cb1fd0efd19 11284182 .config log report
ci-upstream-kasan-gce-386 2020/05/24 18:22 upstream caffb99b6929 bd28eb9d .config log report
ci-upstream-kasan-gce-386 2020/05/11 11:16 upstream 2ef96a5bb12b f8f57555 .config log report
ci-upstream-kasan-gce-386 2020/05/08 14:21 upstream 79dede78c057 2b98fdbc .config log report
ci-qemu-upstream-386 2020/05/08 10:31 upstream 79dede78c057 fe4122c3 .config log report
ci-upstream-kasan-gce-386 2020/05/08 01:42 upstream 6e7f2eacf098 6c70a1c2 .config log report
ci-qemu-upstream-386 2020/05/07 23:24 upstream 6e7f2eacf098 6c70a1c2 .config log report
ci-upstream-kasan-gce-386 2020/05/07 12:14 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce-386 2020/05/07 10:57 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce-386 2020/05/07 09:32 upstream a811c1fa0a02 4618eb2d .config log report
ci-upstream-kasan-gce-386 2020/05/06 19:20 upstream 3c40cdb0e93e 4618eb2d .config log report
ci-upstream-kasan-gce-386 2020/05/06 15:06 upstream dc56c5acd850 4618eb2d .config log report
ci-upstream-kasan-gce-386 2020/05/06 02:07 upstream dc56c5acd850 35b8eb30 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/13 06:48 linux-next d31958b30ea3 9ebcc5b1 .config log report