kernel panic: stack is corrupted in pointer

syzbot syzbot+79f5f028005a77ecb6bb at
Wed Jul 17 08:58:07 UTC 2019


syzbot found the following crash on:

HEAD commit:    1438cde7 Add linux-next specific files for 20190716
git tree:       linux-next
console output:
kernel config:
dashboard link:
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:

The bug was bisected to:

commit 96a5d8d4915f3e241ebb48d5decdd110ab9c7dcf
Author: Leo Liu <leo.liu at>
Date:   Fri Jul 13 15:26:28 2018 +0000

     drm/amdgpu: Make sure IB tests flushed after IP resume

bisection log:
final crash:
console output:

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+79f5f028005a77ecb6bb at
Fixes: 96a5d8d4915f ("drm/amdgpu: Make sure IB tests flushed after IP  

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:  
pointer+0x702/0x750 lib/vsprintf.c:2187
Shutting down cpus with NMI
Kernel Offset: disabled

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