===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbd1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbde/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbde/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc0e/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc0e/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc1b/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc1b/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc2b/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc2b/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc51/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc51/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc5e/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc5e/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc6e/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc6e/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xc94/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xc94/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xca1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xca1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xcb1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xcb1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:312 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1275/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1275/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:313 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1295/0x12f0 kernel/profile.c:398 CPU: 0 PID: 19775 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:313 [inline] profile_hits+0x1295/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8880673078a8 EFLAGS: 00000206 RAX: ffff8881238ae5b4 RBX: 0000000000000000 RCX: 0000000123cae5b4 RDX: ffff888123cae5b4 RSI: 0000000000000240 RDI: ffff8881240ae5b4 RBP: ffff8880673078c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881240ae5b4 R13: ffff88813fd95840 R14: 0000000000000000 R15: 0000000000000200 try_to_wake_up+0xadf/0x1540 kernel/sched/core.c:3471 wake_up_process+0x34/0x40 kernel/sched/core.c:3538 wake_up_q+0x5f/0x90 kernel/sched/core.c:592 futex_wake+0xc25/0xc80 kernel/futex.c:1630 do_futex+0x1c67/0x5d40 kernel/futex.c:3739 __do_sys_futex kernel/futex.c:3797 [inline] __se_sys_futex+0x5cf/0xba0 kernel/futex.c:3763 __x64_sys_futex+0x6e/0x90 kernel/futex.c:3763 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:0000000000a9fb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004665d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 00000000005680e0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000570410 R13: 0000000000a9fca0 R14: 000000000056bf80 R15: 00000000000b0ba5 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xcb1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 10363 Comm: syz-executor.4 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xcb1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:ktime_get_ts64+0x32f/0x8f0 kernel/time/timekeeping.c:963 Code: 02 89 45 a4 48 8b 05 18 b8 a5 10 48 89 45 b8 48 c7 c7 08 87 44 92 e8 b0 50 a0 00 48 8b 00 48 89 85 18 ff ff ff 8b 02 89 45 b4 <4c> 8b 35 fa b7 a5 10 48 c7 c7 10 87 44 92 e8 8e 50 a0 00 48 8b 00 RSP: 0018:ffff888159573cc0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000022643a708 RDX: ffff88822643a708 RSI: 0000000000000020 RDI: ffffffff92448708 RBP: ffff888159573dc0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000c8e0a225 R11: 0000000000000000 R12: 00000000000232e2 R13: ffffffff91c7a880 R14: ffff8881212dc908 R15: 0000000000000000 posix_get_monotonic_timespec+0x4d/0x320 kernel/time/posix-timers.c:199 __do_sys_clock_gettime kernel/time/posix-timers.c:1092 [inline] __se_sys_clock_gettime+0x2d7/0x410 kernel/time/posix-timers.c:1082 __x64_sys_clock_gettime+0x3e/0x60 kernel/time/posix-timers.c:1082 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ffd56ce69fd Code: 90 eb e5 48 8b 07 48 89 06 48 8b 47 08 48 89 46 08 8b 15 96 b6 ff ff 31 c0 39 da 74 a6 eb c9 a8 10 75 09 b8 e4 00 00 00 0f 05 97 4c 8d 05 6a b7 ff ff e9 da fe ff ff 48 8d 05 6e e6 ff ff 48 RSP: 002b:0000000000a9fcf8 EFLAGS: 00000297 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 0000000000000568 RCX: 00007ffd56ce69fd RDX: 0000000000000bb8 RSI: 0000000000a9fe40 RDI: 0000000000000001 RBP: 0000000000a9fd40 R08: 00007ffd56ce2080 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000a9fe40 R13: 00000000000b1606 R14: 00000000000232d8 R15: 0000000000a9fe40 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xcb1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 10363 Comm: syz-executor.4 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xcb1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:ktime_get_ts64+0x32f/0x8f0 kernel/time/timekeeping.c:963 Code: 02 89 45 a4 48 8b 05 18 b8 a5 10 48 89 45 b8 48 c7 c7 08 87 44 92 e8 b0 50 a0 00 48 8b 00 48 89 85 18 ff ff ff 8b 02 89 45 b4 <4c> 8b 35 fa b7 a5 10 48 c7 c7 10 87 44 92 e8 8e 50 a0 00 48 8b 00 RSP: 0018:ffff888159573cc0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000022643a708 RDX: ffff88822643a708 RSI: 0000000000000020 RDI: ffffffff92448708 RBP: ffff888159573dc0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000c8e0a225 R11: 0000000000000000 R12: 00000000000232e2 R13: ffffffff91c7a880 R14: ffff8881212dc908 R15: 0000000000000000 posix_get_monotonic_timespec+0x4d/0x320 kernel/time/posix-timers.c:199 __do_sys_clock_gettime kernel/time/posix-timers.c:1092 [inline] __se_sys_clock_gettime+0x2d7/0x410 kernel/time/posix-timers.c:1082 __x64_sys_clock_gettime+0x3e/0x60 kernel/time/posix-timers.c:1082 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ffd56ce69fd Code: 90 eb e5 48 8b 07 48 89 06 48 8b 47 08 48 89 46 08 8b 15 96 b6 ff ff 31 c0 39 da 74 a6 eb c9 a8 10 75 09 b8 e4 00 00 00 0f 05 97 4c 8d 05 6a b7 ff ff e9 da fe ff ff 48 8d 05 6e e6 ff ff 48 RSP: 002b:0000000000a9fcf8 EFLAGS: 00000297 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 0000000000000568 RCX: 00007ffd56ce69fd RDX: 0000000000000bb8 RSI: 0000000000a9fe40 RDI: 0000000000000001 RBP: 0000000000a9fd40 R08: 00007ffd56ce2080 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000a9fe40 R13: 00000000000b1606 R14: 00000000000232d8 R15: 0000000000a9fe40 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xcb1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 10363 Comm: syz-executor.4 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xcb1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:ktime_get_ts64+0x32f/0x8f0 kernel/time/timekeeping.c:963 Code: 02 89 45 a4 48 8b 05 18 b8 a5 10 48 89 45 b8 48 c7 c7 08 87 44 92 e8 b0 50 a0 00 48 8b 00 48 89 85 18 ff ff ff 8b 02 89 45 b4 <4c> 8b 35 fa b7 a5 10 48 c7 c7 10 87 44 92 e8 8e 50 a0 00 48 8b 00 RSP: 0018:ffff888159573cc0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000022643a708 RDX: ffff88822643a708 RSI: 0000000000000020 RDI: ffffffff92448708 RBP: ffff888159573dc0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000c8e0a225 R11: 0000000000000000 R12: 00000000000232e2 R13: ffffffff91c7a880 R14: ffff8881212dc908 R15: 0000000000000000 posix_get_monotonic_timespec+0x4d/0x320 kernel/time/posix-timers.c:199 __do_sys_clock_gettime kernel/time/posix-timers.c:1092 [inline] __se_sys_clock_gettime+0x2d7/0x410 kernel/time/posix-timers.c:1082 __x64_sys_clock_gettime+0x3e/0x60 kernel/time/posix-timers.c:1082 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ffd56ce69fd Code: 90 eb e5 48 8b 07 48 89 06 48 8b 47 08 48 89 46 08 8b 15 96 b6 ff ff 31 c0 39 da 74 a6 eb c9 a8 10 75 09 b8 e4 00 00 00 0f 05 97 4c 8d 05 6a b7 ff ff e9 da fe ff ff 48 8d 05 6e e6 ff ff 48 RSP: 002b:0000000000a9fcf8 EFLAGS: 00000297 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 0000000000000568 RCX: 00007ffd56ce69fd RDX: 0000000000000bb8 RSI: 0000000000a9fe40 RDI: 0000000000000001 RBP: 0000000000a9fd40 R08: 00007ffd56ce2080 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000a9fe40 R13: 00000000000b1606 R14: 00000000000232d8 R15: 0000000000a9fe40 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----mmap_event@perf_event_mmap created at: perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 perf_event_mmap+0x66/0x2c20 kernel/events/core.c:8390 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 4669 Comm: kworker/0:3 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbd1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff8881175db970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff8881175db988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000ff2432c5 R11: 00000000797b33a5 R12: ffff88810013f648