syzbot


BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2)
Status: closed as dup on 2020/08/15 13:48
Reported-by: syzbot+d6d57d324860c94d5836@syzkaller.appspotmail.com
First crash: 471d, last: 362d

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 (1):
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in syscall_return_slowpath syz inconclusive done 1 379d 465d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2) C done 4 317d 330d 1/1 fixed on 2020/09/03 09:58
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (3) 2 278d 283d 0/1 auto-closed as invalid on 2021/01/09 06:14
upstream BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 2 1093d 1093d 0/22 auto-closed as invalid on 2019/02/22 10:29
linux-4.14 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 1 593d 593d 0/1 auto-closed as invalid on 2020/02/28 23:04
linux-4.14 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2) 7 392d 429d 0/1 auto-closed as invalid on 2020/09/17 05:58
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 3 458d 473d 0/1 auto-closed as invalid on 2020/07/13 07:25

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2020/04/07 00:24 linux-next b2e2a818 99a96044 .config log report syz C
ci-qemu-upstream 2020/06/19 01:41 upstream 435faf5c bc258b50 .config log report
ci-upstream-kasan-gce-smack-root 2020/05/18 20:16 upstream 45088963 684d3606 .config log report
ci-upstream-kasan-gce-smack-root 2020/05/18 02:14 upstream b9bbe6ed 37bccd4e .config log report
ci-upstream-kasan-gce-smack-root 2020/05/16 01:50 upstream 12bf0b63 37bccd4e .config log report
ci-upstream-kasan-gce-smack-root 2020/05/13 15:30 upstream 24085f70 9a6d42fb .config log report
ci-upstream-kasan-gce-smack-root 2020/04/19 11:40 upstream 50cc09c1 6dfd45e1 .config log report
ci-upstream-kasan-gce-smack-root 2020/04/19 03:51 upstream 50cc09c1 365fba24 .config log report
ci-upstream-kasan-gce 2020/03/02 00:18 upstream 63623fd4 c88c7b75 .config log report