BUG: KASAN: null-ptr-deref in qla24xx_handle_plogi_done_event+0x134/0x9f0 [qla2xxx] Read of size 4 at addr 00000000000000a0 by task swapper/2/0 CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.2.0-dbg+ #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Call Trace: <IRQ> dump_stack+0x8a/0xd6 __kasan_report.cold+0x5/0x41 kasan_report+0x16/0x20 __asan_load4+0x7e/0x80 qla24xx_handle_plogi_done_event+0x134/0x9f0 [qla2xxx] qla2x00_els_dcmd2_sp_done+0x15f/0x230 [qla2xxx] qla24xx_els_ct_entry+0x3b3/0x610 [qla2xxx] qla24xx_process_response_queue+0x514/0x10e0 [qla2xxx] qla24xx_msix_rsp_q+0x80/0x100 [qla2xxx] __handle_irq_event_percpu+0x72/0x450 handle_irq_event_percpu+0x74/0xf0 handle_irq_event+0x5e/0x8f handle_edge_irq+0x13a/0x320 handle_irq+0x30/0x40 do_IRQ+0x91/0x190 common_interrupt+0xf/0xf </IRQ> RIP: 0010:default_idle+0x31/0x230 Fixes: 8777e4314d39 ("scsi: qla2xxx: Migrate NVME N2N handling into state machine") # v4.19. Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx> Cc: Giridhar Malavali <gmalavali@xxxxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> --- drivers/scsi/qla2xxx/qla_iocb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 7021fbeb6d23..e92e52aa6e9b 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2755,7 +2755,8 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) } else { memset(&ea, 0, sizeof(ea)); ea.fcport = fcport; - ea.rc = res; + ea.data[0] = MBS_COMMAND_COMPLETE; + ea.sp = sp; qla24xx_handle_plogi_done_event(vha, &ea); } -- 2.22.0.770.g0f2c4a37fd-goog