* [BUG] scsi: myrb: null-pointer-dereference in myrb_cleanup
@ 2022-05-21 13:32 Zheyu Ma
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From: Zheyu Ma @ 2022-05-21 13:32 UTC (permalink / raw)
To: hare, jejb, Martin K. Petersen; +Cc: linux-scsi, Linux Kernel Mailing List
Hello,
I found a bug in the driver myrb when probing the module.
The following log can reveal it:
[ 0.985741] myrb 0000:00:05.0: Unknown Initialization Error 49
[ 0.986078] myrb 0000:00:05.0: Failed to initialize Controller
[ 0.986376] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 0.987368] Call Trace:
[ 0.987368] myrb_cleanup+0x4ad/0x7b0
[ 0.987368] myrb_probe.cold+0x95/0x12a0
The reason is that the driver does not initialize the disable_intr,
resulting in a null-pointer-dereference bug.
Zheyu Ma
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2022-05-21 13:32 [BUG] scsi: myrb: null-pointer-dereference in myrb_cleanup Zheyu Ma
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