syzbot


kernel panic: Fatal exception (2)

Status: closed as dup on 2020/07/26 02:43
Reported-by: syzbot+c05fb1e489a39618f063@syzkaller.appspotmail.com
First crash: 1407d, last: 1375d
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
  
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in do_con_write C done 10703 1402d 1638d
Discussions (1)
Title Replies (including bot) Last reply
kernel panic: Fatal exception (2) 0 (1) 2020/07/25 21:14
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: Fatal exception hardening mm 1 2426d 2426d 0/26 closed as invalid on 2017/10/18 09:51
upstream kernel panic: Fatal exception (3) C done 2 1324d 1322d 15/26 fixed on 2020/11/16 12:12

Sample crash report:
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004c8d28 CR3: 0000000009a8d000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Kernel panic - not syncing: Fatal exception in interrupt
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/22 17:56 upstream f873db9acd3c 6436ce4b .config console log report syz C ci-upstream-kasan-gce
2020/08/20 14:25 upstream 7eac66d0456f ed282a3a .config console log report syz C ci-upstream-kasan-gce-root
2020/08/19 10:55 upstream 18445bf405cb e1c29030 .config console log report syz C ci-upstream-kasan-gce-selinux-root
2020/08/17 22:16 upstream 2cc3c4b3c2e9 424dd8e7 .config console log report syz C ci-upstream-kasan-gce-smack-root
2020/07/26 05:05 upstream 23ee3e4e5bd2 1f7cc1ca .config console log report syz C ci-upstream-kasan-gce-root
2020/07/25 17:29 upstream 68845a55c31b 1f7cc1ca .config console log report syz C ci-upstream-kasan-gce-selinux-root
2020/08/23 04:16 upstream c3d8f220d012 1da71ab0 .config console log report syz C ci-upstream-kasan-gce-386
2020/08/17 22:22 net-old b3b2854dcf70 424dd8e7 .config console log report syz C ci-upstream-net-this-kasan-gce
2020/08/17 22:19 net-next-old 7fca4dee610d 424dd8e7 .config console log report syz C ci-upstream-net-kasan-gce
2020/08/21 15:36 linux-next 494d311a82bb 6436ce4b .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/07/21 21:05 linux-next de2e69cfe54a 21f1765e .config console log report syz C ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.