Hi,
Thanks for your report!
On Thu, Jul 25, 2019 at 06:46:29PM +0800, kernel test robot wrote:
FYI, we noticed the following commit (built with gcc-7):
commit: ae86a1c5530b52dc44a280e78feb0c4eb2dd8595 ("[PATCH V2 2/2] scsi: implement .cleanup_rq callback") url: https://github.com/0day-ci/linux/commits/Ming-Lei/blk-mq-add-callback-of-cle...
in testcase: blktests with following parameters:
disk: 1SSD test: block-group1
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+---------------------------------------------------------------------------------------------------------------+------------+------------+ | | bd222ca85f | ae86a1c553 | +---------------------------------------------------------------------------------------------------------------+------------+------------+ | boot_successes | 0 | 0 | | boot_failures | 11 | 14 | | BUG:kernel_reboot-without-warning_in_test_stage | 11 | 1 | | BUG:kernel_NULL_pointer_dereference,address | 0 | 4 | | Oops:#[##] | 0 | 4 | | RIP:scsi_queue_rq | 0 | 4 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 4 | | invoked_oom-killer:gfp_mask=0x | 0 | 9 | | Mem-Info | 0 | 9 | | page_allocation_failure:order:#,mode:#(GFP_KERNEL|__GFP_RETRY_MAYFAIL),nodemask=(null),cpuset=/,mems_allowed= | 0 | 2 | +---------------------------------------------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag Reported-by: kernel test robot rong.a.chen@intel.com
[ 140.974865] BUG: kernel NULL pointer dereference, address: 000000000000001c
Yeah, I know this issue, and it has been fixed in either V3 or V4.
Thanks, Ming