syzbot


upstream boot error: BUG: unable to handle kernel NULL pointer dereference in update_sd_lb_stats

Status: auto-obsoleted due to no activity on 2023/08/23 09:06
Reported-by: syzbot+cfb5d190e457dc724e57@syzkaller.appspotmail.com
First crash: 386d, last: 386d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] upstream boot error: BUG: unable to handle kernel NULL pointer dereference in update_sd_lb_stats 0 (1) 2023/05/11 21:41

Sample crash report:
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000004 when read
[00000004] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 206 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 15 Comm: rcu_preempt Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at update_sd_lb_stats.constprop.0+0/0
LR is at update_sd_lb_stats.constprop.0+0/0
pc : [<8028aa74>]    lr : [<8028a8ec>]    psr: a0000193
sp : df855ba8  ip : df855c0c  fp : df855c3c
r10: ffff8e76  r9 : df855d34  r8 : 830b4640
r7 : 8309a800  r6 : ddddb400  r5 : df855bdc  r4 : 00000000
r3 : 00000000  r2 : fffffff0  r1 : 00000000  r0 : df855bdc
Flags: NzCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 80003000  DAC: 00000000
Register r0 information: non-paged memory
Register r1 information:
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 000001ff when read
[000001ff] *pgd=80000080004003, *pmd=00000000
Internal error: Oops: 206 [#2] PREEMPT SMP ARM
Modules linked in:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/07 21:38 upstream ac9a78681b92 90c93c40 .config console log report ci-qemu2-arm32 upstream boot error: BUG: unable to handle kernel NULL pointer dereference in update_sd_lb_stats
* Struck through repros no longer work on HEAD.