https://bugzilla.kernel.org/show_bug.cgi?id=219575 Bug ID: 219575 Summary: UBSAN: array-index-out-of-bounds in drivers/message/fusion/mptsas.c:2446:22 ; index 1 is out of range for type 'MPI_SAS_IO_UNIT0_PHY_DATA [1]' Product: SCSI Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: Other Assignee: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx Reporter: jernej.jakob@xxxxxxxxx Regression: No The following messages are printed when booting with a LSI SAS1068E card: [ +0.000298] mptbase: ioc0: Initiating bringup [ +0.099095] ioc0: LSISAS1068E B1: Capabilities={Initiator} [ +10.148787] scsi host8: ioc0: LSISAS1068E B1, FwRev=01210000h, Ports=1, MaxQ=483, IRQ=16 [ +0.001685] ================================================================================ [ +0.000039] UBSAN: array-index-out-of-bounds in /var/tmp/portage/sys-kernel/gentoo-kernel-6.6.58-r1/work/linux-6.6/drivers/message/fusion/mptsas.c:2446:22 [ +0.000041] index 1 is out of range for type 'MPI_SAS_IO_UNIT0_PHY_DATA [1]' [ +0.000032] CPU: 1 PID: 398 Comm: (udev-worker) Not tainted 6.6.58-gentoo-dist-hardened #1 [ +0.000038] Hardware name: /DP965LT, BIOS MQ96510J.86A.1761.2009.0326.0001 03/26/2009 [ +0.000036] Call Trace: [ +0.000030] <TASK> [ +0.000029] dump_stack_lvl+0x47/0x60 [ +0.000036] __ubsan_handle_out_of_bounds+0x95/0xd0 [ +0.000034] mptsas_schedule_target_reset+0x5bd1/0x8dc0 [mptsas] [ +0.000039] mptsas_schedule_target_reset+0x6d92/0x8dc0 [mptsas] [ +0.000036] ? __pm_runtime_idle+0x4a/0xd0 [ +0.000033] mptsas_schedule_target_reset+0x752f/0x8dc0 [mptsas] [ +0.000037] local_pci_probe+0x45/0xa0 [ +0.000032] pci_device_probe+0xc7/0x260 [ +0.000034] really_probe+0x19e/0x3e0 [ +0.000032] ? __pfx___driver_attach+0x10/0x10 [ +0.000032] __driver_probe_device+0x78/0x160 [ +0.000032] driver_probe_device+0x1f/0x90 [ +0.000031] __driver_attach+0xd2/0x1c0 [ +0.000032] bus_for_each_dev+0x88/0xd0 [ +0.000032] bus_add_driver+0x142/0x270 [ +0.000031] driver_register+0x59/0x100 [ +0.000032] init_module+0x143/0xff0 [mptsas] [ +0.000035] ? __pfx_init_module+0x10/0x10 [mptsas] [ +0.000035] do_one_initcall+0x5d/0x330 [ +0.000035] do_init_module+0x90/0x270 [ +0.000032] __do_sys_init_module+0x184/0x1c0 [ +0.000033] do_syscall_64+0x5a/0x80 [ +0.000040] entry_SYSCALL_64_after_hwframe+0x78/0xe2 [ +0.000034] RIP: 0033:0x7f69c467fe3e [ +0.000034] Code: 48 8b 0d ed df 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ba df 0c 00 f7 d8 64 89 01 48 [ +0.000045] RSP: 002b:00007ffd65fe5c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ +0.000038] RAX: ffffffffffffffda RBX: 0000563ec16483e0 RCX: 00007f69c467fe3e [ +0.000032] RDX: 00007f69c485a31d RSI: 0000000000031a90 RDI: 0000563ec17d8e00 [ +0.000032] RBP: 0000563ec17d8e00 R08: 0000000000000007 R09: 0000000000000006 [ +0.000032] R10: 0000000000000070 R11: 0000000000000246 R12: 00007f69c485a31d [ +0.000031] R13: 0000000000020000 R14: 0000563ec1644f50 R15: 0000563ec164a910 [ +0.000034] </TASK> [ +0.000029] ================================================================================ The same array-index-out-of-bounds message is repeated a couple more times, for these lines: drivers/message/fusion/mptsas.c:2448:22 drivers/message/fusion/mptsas.c:2451:7 drivers/message/fusion/mptsas.c:2443:46 I found this mailing list thread that fixes a couple similar arrays: https://lkml.org/lkml/2023/8/6/165 but it's for mpt3sas, this card uses mptsas. The fix might be similar. Otherwise the device functions normally. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.