Quinn Tran
d03346d4ab
scsi: qla2xxx: Fix system crash due to bad pointer access ...
commit 19597cad64d608aa8ac2f8aef50a50187a565223 upstream.
User experiences system crash when running AER error injection. The
perturbation causes the abort-all-I/O path to trigger. The driver assumes
all I/O on this path is FCP only. If there is both NVMe & FCP traffic, a
system crash happens. Add additional check to see if I/O is FCP or not
before access.
PID: 999019 TASK: ff35d769f24722c0 CPU: 53 COMMAND: "kworker/53:1"
0 [ff3f78b964847b58] machine_kexec at ffffffffae86973d
1 [ff3f78b964847ba8] __crash_kexec at ffffffffae9be29d
2 [ff3f78b964847c70] crash_kexec at ffffffffae9bf528
3 [ff3f78b964847c78] oops_end at ffffffffae8282ab
4 [ff3f78b964847c98] exc_page_fault at ffffffffaf2da502
5 [ff3f78b964847cc0] asm_exc_page_fault at ffffffffaf400b62
[exception RIP: qla2x00_abort_srb+444]
RIP: ffffffffc07b5f8c RSP: ff3f78b964847d78 RFLAGS: 00010046
RAX: 0000000000000282 RBX: ff35d74a0195a200 RCX: ff35d76886fd03a0
RDX: 0000000000000001 RSI: ffffffffc07c5ec8 RDI: ff35d74a0195a200
RBP: ff35d76913d22080 R8: ff35d7694d103200 R9: ff35d7694d103200
R10: 0000000100000000 R11: ffffffffb05d6630 R12: 0000000000010000
R13: ff3f78b964847df8 R14: ff35d768d8754000 R15: ff35d768877248e0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
6 [ff3f78b964847d70] qla2x00_abort_srb at ffffffffc07b5f84 [qla2xxx]
7 [ff3f78b964847de0] __qla2x00_abort_all_cmds at ffffffffc07b6238 [qla2xxx]
8 [ff3f78b964847e38] qla2x00_abort_all_cmds at ffffffffc07ba635 [qla2xxx]
9 [ff3f78b964847e58] qla2x00_terminate_rport_io at ffffffffc08145eb [qla2xxx]
10 [ff3f78b964847e70] fc_terminate_rport_io at ffffffffc045987e [scsi_transport_fc]
11 [ff3f78b964847e88] process_one_work at ffffffffae914f15
12 [ff3f78b964847ed0] worker_thread at ffffffffae9154c0
13 [ff3f78b964847f10] kthread at ffffffffae91c456
14 [ff3f78b964847f50] ret_from_fork at ffffffffae8036ef
Cc: stable@vger.kernel.org
Fixes: f45bca8c5052 ("scsi: qla2xxx: Fix double scsi_done for abort path")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20231030064912.37912-1-njavali@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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d03346d4ab