sd 0:0:1:0: [sg0] tag#5306 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#5306 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#5306 CDB[c0]: 00 00 00 00 00 00 00 00
=====================================================
BUG: KMSAN: uninit-value in update_stack_state+0x1ee/0xb40 arch/x86/kernel/unwind_frame.c:202
CPU: 0 PID: 4864 Comm: systemd-udevd Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 update_stack_state+0x1ee/0xb40 arch/x86/kernel/unwind_frame.c:202
 unwind_next_frame+0x8c6/0xed0 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x338/0x3d0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x117/0x1a0 kernel/stacktrace.c:123
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline]
 kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:310
 kmsan_memcpy_memmove_metadata+0x272/0x2e0 mm/kmsan/kmsan.c:247
 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:267
 __msan_memcpy+0x43/0x50 mm/kmsan/kmsan_instr.c:116
 pskb_expand_head+0x3fd/0x1e30 net/core/skbuff.c:1636
 __skb_pad+0x641/0x9d0 net/core/skbuff.c:1804
 __skb_put_padto include/linux/skbuff.h:3218 [inline]
 skb_put_padto include/linux/skbuff.h:3237 [inline]
 send_hsr_supervision_frame+0x129c/0x15b0 net/hsr/hsr_device.c:299
 hsr_announce+0x21f/0x3c0 net/hsr/hsr_device.c:330
 call_timer_fn+0x226/0x550 kernel/time/timer.c:1404
 expire_timers+0x4fc/0x780 kernel/time/timer.c:1449
 __run_timers+0xaf4/0xd30 kernel/time/timer.c:1773
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1786
 __do_softirq+0x2ea/0x7f5 kernel/softirq.c:293
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:23 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:50 [inline]
 do_softirq_own_stack+0x7c/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:390 [inline]
 __irq_exit_rcu+0x226/0x270 kernel/softirq.c:420
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:432
 sysvec_call_function_single+0x107/0x130 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:601
RIP: 0010:kmsan_internal_is_module_addr+0x1/0x20 mm/kmsan/kmsan.c:540
Code: 48 c1 e8 28 3d c8 ff ff 00 0f 97 c1 48 b8 ff ff ff ff ff d0 ff ff 48 39 c7 0f 92 c0 20 c8 5d c3 66 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 48 81 ff ff ff ff 9f 0f 97 c1 48 81 ff 00 00 00 ff 0f 92
RSP: 0018:ffff888115a039d0 EFLAGS: 00000246
RAX: ffffd0ffffffff00 RBX: ffff888115badd80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888115badd80
RBP: ffff888115a039f8 R08: ffffffff8549d3ba R09: ffff88812fffa000
R10: 0000000000000003 R11: ffff88811a279e80 R12: ffff888115badd80
R13: ffff88811a27a858 R14: 0000000000000000 R15: 0000000000000000
 kmsan_get_shadow_origin_ptr+0x6c/0xb0 mm/kmsan/kmsan_shadow.c:149
 __msan_metadata_ptr_for_load_8+0x10/0x20 mm/kmsan/kmsan_instr.c:55
 tomoyo_check_acl+0x2e9/0x5a0 security/tomoyo/domain.c:173
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_perm+0x83f/0xc60 security/tomoyo/file.c:838
 tomoyo_inode_getattr+0x54/0x60 security/tomoyo/tomoyo.c:123
 security_inode_getattr+0x144/0x280 security/security.c:1278
 vfs_getattr fs/stat.c:121 [inline]
 vfs_statx_fd fs/stat.c:151 [inline]
 vfs_fstat include/linux/fs.h:3313 [inline]
 __do_sys_newfstat fs/stat.c:398 [inline]
 __se_sys_newfstat+0x11c/0xaf0 fs/stat.c:395
 __x64_sys_newfstat+0x3e/0x60 fs/stat.c:395
 do_syscall_64+0xad/0x160 arch/x86/entry/common.c:386
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fbfc05512e2
Code: Bad RIP value.
RSP: 002b:00007ffe5fee96b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbfc05512e2
RDX: 00007ffe5fee96c0 RSI: 00007ffe5fee96c0 RDI: 0000000000000010
RBP: 00007fbfc16de710 R08: 000055967af747f0 R09: 0000000000001010
R10: 00007fbfc080fb58 R11: 0000000000000246 R12: 0000000000000000
R13: 000055967af809b0 R14: 00000000000000fe R15: 000055967af809b0

Local variable ----filename@process_measurement created at:
 process_measurement+0x1d2/0x3960 security/integrity/ima/ima_main.c:198
 process_measurement+0x1d2/0x3960 security/integrity/ima/ima_main.c:198
=====================================================