Hi Tasmiya, > -----Original Message----- > From: Tasmiya Nalatwad <tasmiya@xxxxxxxxxxxxxxxxxx> > Sent: Wednesday, October 18, 2023 6:51 PM > To: linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linuxppc- > dev@xxxxxxxxxxxxxxxx; linux-block@xxxxxxxxxxxxxxx; linux-next@xxxxxxxxxxxxxxx > Cc: Quinn Tran <qutran@xxxxxxxxxxx>; Nilesh Javali <njavali@xxxxxxxxxxx>; > himanshu.madhani@xxxxxxxxxx; martin.petersen@xxxxxxxxxx; GR-QLogic- > Storage-Upstream <GR-QLogic-Storage-Upstream@xxxxxxxxxxx>; > jejb@xxxxxxxxxxxxx; abdhalee@xxxxxxxxxxxxxxxxxx; mputtash@xxxxxxxxxxxxxx; > sachinp@xxxxxxxxxxxxxx > Subject: [EXT] [Bisected] [efeda3bf912f] OOPS crash while performing Block > device module parameter test [qla2xxx / FC] > > External Email > > ---------------------------------------------------------------------- > Greetings, > > OOPs Kernel crash while performing Block device module parameter test > [qla2xxx / FC] on linux-next 6.6.0-rc5-next-20231010 > > --- Traces --- > > [30876.431678] Kernel attempted to read user page (30) - exploit > attempt? (uid: 0) > [30876.431687] BUG: Kernel NULL pointer dereference on read at 0x00000030 > [30876.431692] Faulting instruction address: 0xc0080000018e3180 > [30876.431697] Oops: Kernel access of bad area, sig: 11 [#1] > [30876.431700] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA > pSeries > [30876.431705] Modules linked in: qla2xxx(+) nvme_fc nvme_fabrics > nvme_core dm_round_robin dm_queue_length exfat vfat fat btrfs > blake2b_generic zstd_compress loop raid10 raid456 async_raid6_recov > async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 linear xfs > libcrc32c raid0 nvram rpadlpar_io rpaphp xsk_diag bonding tls rfkill > vmx_crypto pseries_rng binfmt_misc ext4 mbcache jbd2 dm_service_time > sd_mod sg ibmvfc ibmveth t10_pi crc64_rocksoft crc64 scsi_transport_fc > dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse [last unloaded: > nvme_core] > [30876.431767] CPU: 0 PID: 1289400 Comm: kworker/0:2 Kdump: loaded Not > tainted 6.6.0-rc5-next-20231010-auto #1 > [30876.431773] Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 > 0xf000006 of:IBM,FW1030.30 (NH1030_062) hv:phyp pSeries > [30876.431779] Workqueue: events work_for_cpu_fn > [30876.431788] NIP: c0080000018e3180 LR: c0080000018e3128 CTR: > c000000000513f80 > [30876.431792] REGS: c000000062a8b930 TRAP: 0300 Not tainted > (6.6.0-rc5-next-20231010-auto) > [30876.431797] MSR: 800000000280b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> > CR: 28000482 XER: 2004000f > [30876.431811] CFAR: c0080000018e3138 DAR: 0000000000000030 DSISR: > 40000000 IRQMASK: 0 > [30876.431811] GPR00: c0080000018e3128 c000000062a8bbd0 > c008000000eb8300 > 0000000000000000 > [30876.431811] GPR04: 0000000000000000 0000000000000000 > 0000000000000000 > 000000000017bbac > [30876.431811] GPR08: 0000000000000000 0000000000000030 > 0000000000000000 > c0080000019a6d68 > [30876.431811] GPR12: 0000000000000000 c000000002ff0000 > c00000000019cb98 > c000000082a97980 > [30876.431811] GPR16: 0000000000000000 0000000000000000 > 0000000000000000 > c000000003071ab0 > [30876.431811] GPR20: c000000003491c0d c000000063bb9a00 > c000000063bb30c0 > c0000001d8b52928 > [30876.431811] GPR24: c008000000eb63a8 ffffffffffffffed c0000001d8b52000 > 0000000000000102 > [30876.431811] GPR28: c008000000ebaf00 c0000001d8b52890 > 0000000000000000 > c0000001d8b58000 > [30876.431856] NIP [c0080000018e3180] qla2x00_mem_free+0x298/0x6b0 > [qla2xxx] > [30876.431876] LR [c0080000018e3128] qla2x00_mem_free+0x240/0x6b0 > [qla2xxx] > [30876.431895] Call Trace: > [30876.431897] [c000000062a8bbd0] [c0080000018e2f1c] > qla2x00_mem_free+0x34/0x6b0 [qla2xxx] (unreliable) > [30876.431917] [c000000062a8bc20] [c0080000018eed30] > qla2x00_probe_one+0x16d8/0x2640 [qla2xxx] > [30876.431937] [c000000062a8bd90] [c0000000008c589c] > local_pci_probe+0x6c/0x110 > [30876.431943] [c000000062a8be10] [c000000000189ba8] > work_for_cpu_fn+0x38/0x60 > [30876.431948] [c000000062a8be40] [c00000000018d0d0] > process_scheduled_works+0x230/0x4f0 > [30876.431952] [c000000062a8bf10] [c00000000018fe14] > worker_thread+0x1e4/0x500 > [30876.431955] [c000000062a8bf90] [c00000000019ccc8] > kthread+0x138/0x140 > [30876.431960] [c000000062a8bfe0] [c00000000000df98] > start_kernel_thread+0x14/0x18 > [30876.431965] Code: 4082000c a09f0198 78841b68 e8df0278 38e00000 > 480c3b8d e8410018 39200000 e91f0178 f93f0280 f93f0278 39280030 > <e9480030> 7fa95040 419e00b8 ebc80030 > [30876.431977] ---[ end trace 0000000000000000 ]--- > [30876.480385] pstore: backend (nvram) writing error (-1) > > > Git bisect points to below commit. Reverting this commit fixes the problem. > commit efeda3bf912f269bcae16816683f432f58d68075 > scsi: qla2xxx: Move resource to allow code reuse > > -- > Regards, > Tasmiya Nalatwad > IBM Linux Technology Center We have recently posted a fix for the commit that you have pointed here, https://marc.info/?l=linux-scsi&m=169750508721982&w=2 Thanks, Nilesh
