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Bug #9526

panic in sd module

Added by Igor Kozhukhov about 1 year ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Start date:
2018-05-09
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage

Description

root@con5-vm-64:/data/crash# mdb *.6
Loading modules: [ unix genunix specfs dtrace mac cpu.generic uppc apix scsi_vhci zfs sd ip hook neti sockfs arp usba stmf stmf_sbd sata mm idm random cpc crypto ptm ufs logindmux nfs ipc ]
> ::status
debugging crash dump vmcore.6 (64-bit) from con5-vm-64
operating system: 5.11 2.0.1.26-20180507-2-0+zpool2 (i86pc)
image uuid: e3c54148-c6c8-66db-ba3f-edbd63c4e0f8
panic message: BAD TRAP: type=e (#pf Page fault) rp=fffffe007a1d6a20 addr=fffffe8154403000
dump content: kernel pages only
> $C
fffffe007a1d6b40 sd_ssc_init+0x20(fffffe8154403000)
fffffe007a1d6b70 sd_reenable_dsense_task+0x1e(fffffe8154403000)
fffffe007a1d6c20 taskq_thread+0x2ee(fffffe59ea1b6898)
fffffe007a1d6c30 thread_start+8()
> fffffe8154403000::whatis
fffffe8154403000 is fffffe81541f5000+20e000, freed from the heap vmem arena:
            ADDR TYPE            START              END             SIZE
                                THREAD        TIMESTAMP
fffffe7fa78600e8 FREE fffffe81541f5000 fffffe815449b000          2777088

probably some double free

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