===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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+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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:309 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1252/0x12f0 kernel/profile.c:398 CPU: 1 PID: 8559 Comm: syz-executor.1 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:309 [inline] profile_hits+0x1252/0x12f0 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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+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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 8559 Comm: syz-executor.1 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:309 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1252/0x12f0 kernel/profile.c:398 CPU: 1 PID: 8559 Comm: syz-executor.1 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:309 [inline] profile_hits+0x1252/0x12f0 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:ffff88808fa47ba0 EFLAGS: 00000206 RAX: ffff888090bc65b4 RBX: ffff88813fd95840 RCX: 0000000090fc65b4 RDX: ffff888090fc65b4 RSI: 0000000000000120 RDI: ffff8880913c65b4 RBP: ffff88808fa47bb8 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c65b4 R13: ffff88808505c908 R14: 0000000000000000 R15: 0000000000000200 task_rq_unlock kernel/sched/sched.h:1298 [inline] wake_up_new_task+0xb90/0x1270 kernel/sched/core.c:3862 kernel_clone+0x889/0x1350 kernel/fork.c:2526 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone+0x222/0x350 arch/x86/kernel/sys_ia32.c:240 __ia32_compat_sys_ia32_clone+0x5d/0x80 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fed549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffa280d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000aeae3e8 RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 9123 Comm: syz-executor.2 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:kmsan_internal_is_vmalloc_addr+0x0/0x30 mm/kmsan/kmsan.c:524 Code: 40 f6 c7 08 75 13 48 8b 54 32 08 c1 e9 09 83 e1 3f 48 0f a3 0a 72 02 31 c0 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 48 89 e5 48 89 f8 48 c1 e8 28 3d c8 ff ff 00 0f 97 c1 48 b8 ff RSP: 0018:ffff88809c427c38 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88809c427d00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88809c427d00 RBP: ffff88809c427c58 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000002 R11: ffff888085028000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x6f/0xb0 mm/kmsan/kmsan_shadow.c:145 __msan_metadata_ptr_for_store_8+0x13/0x20 mm/kmsan/kmsan_instr.c:55 kernel_wait4+0x39f/0x670 kernel/exit.c:1629 __do_compat_sys_wait4 kernel/exit.c:1690 [inline] __se_compat_sys_wait4+0x182/0x2f0 kernel/exit.c:1683 __ia32_compat_sys_wait4+0x56/0x70 kernel/exit.c:1683 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fcb549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffb093c0 EFLAGS: 00000282 ORIG_RAX: 0000000000000072 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000ffb09490 RDX: 0000000040000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000bb8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 9123 Comm: syz-executor.2 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:kmsan_internal_is_vmalloc_addr+0x0/0x30 mm/kmsan/kmsan.c:524 Code: 40 f6 c7 08 75 13 48 8b 54 32 08 c1 e9 09 83 e1 3f 48 0f a3 0a 72 02 31 c0 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 48 89 e5 48 89 f8 48 c1 e8 28 3d c8 ff ff 00 0f 97 c1 48 b8 ff RSP: 0018:ffff88809c427c38 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88809c427d00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88809c427d00 RBP: ffff88809c427c58 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000002 R11: ffff888085028000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x6f/0xb0 mm/kmsan/kmsan_shadow.c:145 __msan_metadata_ptr_for_store_8+0x13/0x20 mm/kmsan/kmsan_instr.c:55 kernel_wait4+0x39f/0x670 kernel/exit.c:1629 __do_compat_sys_wait4 kernel/exit.c:1690 [inline] __se_compat_sys_wait4+0x182/0x2f0 kernel/exit.c:1683 __ia32_compat_sys_wait4+0x56/0x70 kernel/exit.c:1683 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fcb549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffb093c0 EFLAGS: 00000282 ORIG_RAX: 0000000000000072 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000ffb09490 RDX: 0000000040000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000bb8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 9123 Comm: syz-executor.2 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:kmsan_internal_is_vmalloc_addr+0x0/0x30 mm/kmsan/kmsan.c:524 Code: 40 f6 c7 08 75 13 48 8b 54 32 08 c1 e9 09 83 e1 3f 48 0f a3 0a 72 02 31 c0 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 48 89 e5 48 89 f8 48 c1 e8 28 3d c8 ff ff 00 0f 97 c1 48 b8 ff RSP: 0018:ffff88809c427c38 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88809c427d00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88809c427d00 RBP: ffff88809c427c58 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000002 R11: ffff888085028000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x6f/0xb0 mm/kmsan/kmsan_shadow.c:145 __msan_metadata_ptr_for_store_8+0x13/0x20 mm/kmsan/kmsan_instr.c:55 kernel_wait4+0x39f/0x670 kernel/exit.c:1629 __do_compat_sys_wait4 kernel/exit.c:1690 [inline] __se_compat_sys_wait4+0x182/0x2f0 kernel/exit.c:1683 __ia32_compat_sys_wait4+0x56/0x70 kernel/exit.c:1683 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline] __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fcb549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffb093c0 EFLAGS: 00000282 ORIG_RAX: 0000000000000072 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000ffb09490 RDX: 0000000040000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000bb8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 2025 Comm: kswapd0 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:kmsan_get_metadata+0x170/0x180 mm/kmsan/kmsan_shadow.c:199 Code: c8 48 c1 e8 04 48 b9 00 d0 cc cc cc cc cc cc 48 0f af c8 48 09 d9 48 b8 00 00 00 00 80 88 ff ff e9 fd fe ff ff 31 c0 5b 41 5e <41> 5f 5d c3 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 89 RSP: 0018:ffff8881054b6d60 EFLAGS: 00000282 RAX: ffff88814f68d708 RBX: ffff88814f28d708 RCX: 000000014f68d708 RDX: 000000014fa8d708 RSI: 0000000000000290 RDI: ffff88814fa8d708 RBP: ffff8881054b6d68 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000050aa1997 R11: 0000000000000001 R12: ffff88814fa8d708 R13: 0000000006a00000 R14: ffff88814fa8d708 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x84/0xb0 mm/kmsan/kmsan_shadow.c:150 __msan_metadata_ptr_for_load_8+0x10/0x20 mm/kmsan/kmsan_instr.c:55 vma_pages include/linux/mm.h:2679 [inline] vma_last_pgoff mm/interval_tree.c:20 [inline] avc_last_pgoff mm/interval_tree.c:68 [inline] __anon_vma_interval_tree_subtree_search mm/interval_tree.c:71 [inline] __anon_vma_interval_tree_iter_first mm/interval_tree.c:71 [inline] anon_vma_interval_tree_iter_first+0x433/0x660 mm/interval_tree.c:95 rmap_walk_anon+0x34a/0x1290 mm/rmap.c:1872 rmap_walk_locked+0x1f4/0x210 mm/rmap.c:1963 remove_migration_ptes+0xe9/0x170 mm/migrate.c:298 remap_page mm/huge_memory.c:2369 [inline] __split_huge_page+0x2720/0x2fc0 mm/huge_memory.c:2523 split_huge_page_to_list+0x21c7/0x22c0 mm/huge_memory.c:2766 shrink_page_list+0x28c4/0x7840 mm/vmscan.c:1279 shrink_inactive_list+0x83f/0x14f0 mm/vmscan.c:1948 shrink_list mm/vmscan.c:2170 [inline] shrink_lruvec+0x738/0x1480 mm/vmscan.c:2465 shrink_node_memcgs+0x5a3/0xc60 mm/vmscan.c:2653 shrink_node+0x1a02/0x3400 mm/vmscan.c:2770 kswapd_shrink_node mm/vmscan.c:3513 [inline] balance_pgdat+0x146e/0x2570 mm/vmscan.c:3671 kswapd+0x50b/0x8a0 mm/vmscan.c:3928 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 2025 Comm: kswapd0 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:kmsan_get_metadata+0x170/0x180 mm/kmsan/kmsan_shadow.c:199 Code: c8 48 c1 e8 04 48 b9 00 d0 cc cc cc cc cc cc 48 0f af c8 48 09 d9 48 b8 00 00 00 00 80 88 ff ff e9 fd fe ff ff 31 c0 5b 41 5e <41> 5f 5d c3 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 89 RSP: 0018:ffff8881054b6d60 EFLAGS: 00000282 RAX: ffff88814f68d708 RBX: ffff88814f28d708 RCX: 000000014f68d708 RDX: 000000014fa8d708 RSI: 0000000000000290 RDI: ffff88814fa8d708 RBP: ffff8881054b6d68 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000050aa1997 R11: 0000000000000001 R12: ffff88814fa8d708 R13: 0000000006a00000 R14: ffff88814fa8d708 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x84/0xb0 mm/kmsan/kmsan_shadow.c:150 __msan_metadata_ptr_for_load_8+0x10/0x20 mm/kmsan/kmsan_instr.c:55 vma_pages include/linux/mm.h:2679 [inline] vma_last_pgoff mm/interval_tree.c:20 [inline] avc_last_pgoff mm/interval_tree.c:68 [inline] __anon_vma_interval_tree_subtree_search mm/interval_tree.c:71 [inline] __anon_vma_interval_tree_iter_first mm/interval_tree.c:71 [inline] anon_vma_interval_tree_iter_first+0x433/0x660 mm/interval_tree.c:95 rmap_walk_anon+0x34a/0x1290 mm/rmap.c:1872 rmap_walk_locked+0x1f4/0x210 mm/rmap.c:1963 remove_migration_ptes+0xe9/0x170 mm/migrate.c:298 remap_page mm/huge_memory.c:2369 [inline] __split_huge_page+0x2720/0x2fc0 mm/huge_memory.c:2523 split_huge_page_to_list+0x21c7/0x22c0 mm/huge_memory.c:2766 shrink_page_list+0x28c4/0x7840 mm/vmscan.c:1279 shrink_inactive_list+0x83f/0x14f0 mm/vmscan.c:1948 shrink_list mm/vmscan.c:2170 [inline] shrink_lruvec+0x738/0x1480 mm/vmscan.c:2465 shrink_node_memcgs+0x5a3/0xc60 mm/vmscan.c:2653 shrink_node+0x1a02/0x3400 mm/vmscan.c:2770 kswapd_shrink_node mm/vmscan.c:3513 [inline] balance_pgdat+0x146e/0x2570 mm/vmscan.c:3671 kswapd+0x50b/0x8a0 mm/vmscan.c:3928 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 2025 Comm: kswapd0 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:kmsan_get_metadata+0x170/0x180 mm/kmsan/kmsan_shadow.c:199 Code: c8 48 c1 e8 04 48 b9 00 d0 cc cc cc cc cc cc 48 0f af c8 48 09 d9 48 b8 00 00 00 00 80 88 ff ff e9 fd fe ff ff 31 c0 5b 41 5e <41> 5f 5d c3 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 89 RSP: 0018:ffff8881054b6d60 EFLAGS: 00000282 RAX: ffff88814f68d708 RBX: ffff88814f28d708 RCX: 000000014f68d708 RDX: 000000014fa8d708 RSI: 0000000000000290 RDI: ffff88814fa8d708 RBP: ffff8881054b6d68 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000050aa1997 R11: 0000000000000001 R12: ffff88814fa8d708 R13: 0000000006a00000 R14: ffff88814fa8d708 R15: 0000000000000001 kmsan_get_shadow_origin_ptr+0x84/0xb0 mm/kmsan/kmsan_shadow.c:150 __msan_metadata_ptr_for_load_8+0x10/0x20 mm/kmsan/kmsan_instr.c:55 vma_pages include/linux/mm.h:2679 [inline] vma_last_pgoff mm/interval_tree.c:20 [inline] avc_last_pgoff mm/interval_tree.c:68 [inline] __anon_vma_interval_tree_subtree_search mm/interval_tree.c:71 [inline] __anon_vma_interval_tree_iter_first mm/interval_tree.c:71 [inline] anon_vma_interval_tree_iter_first+0x433/0x660 mm/interval_tree.c:95 rmap_walk_anon+0x34a/0x1290 mm/rmap.c:1872 rmap_walk_locked+0x1f4/0x210 mm/rmap.c:1963 remove_migration_ptes+0xe9/0x170 mm/migrate.c:298 remap_page mm/huge_memory.c:2369 [inline] __split_huge_page+0x2720/0x2fc0 mm/huge_memory.c:2523 split_huge_page_to_list+0x21c7/0x22c0 mm/huge_memory.c:2766 shrink_page_list+0x28c4/0x7840 mm/vmscan.c:1279 shrink_inactive_list+0x83f/0x14f0 mm/vmscan.c:1948 shrink_list mm/vmscan.c:2170 [inline] shrink_lruvec+0x738/0x1480 mm/vmscan.c:2465 shrink_node_memcgs+0x5a3/0xc60 mm/vmscan.c:2653 shrink_node+0x1a02/0x3400 mm/vmscan.c:2770 kswapd_shrink_node mm/vmscan.c:3513 [inline] balance_pgdat+0x146e/0x2570 mm/vmscan.c:3671 kswapd+0x50b/0x8a0 mm/vmscan.c:3928 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 17 Comm: ksoftirqd/1 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:__msan_instrument_asm_store+0x0/0x130 mm/kmsan/kmsan_instr.c:58 Code: 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 be 08 00 00 00 ba 01 00 00 00 e8 ad 18 00 00 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 53 50 80 3d 87 3b 06 10 00 0f 84 f9 00 00 RSP: 0018:ffff888102447b20 EFLAGS: 00000246 RAX: ffff888102047b38 RBX: ffff88813fd27b00 RCX: 0000000000000003 RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffff888102447b38 RBP: ffff888102447b70 R08: ffffea000000000f R09: ffff88813fffa000 R10: 000000009139edcd R11: ffff888102439f40 R12: ffff88813fd27b00 R13: ffff888102447b38 R14: ffff88815bac0dd4 R15: 0000000000000000 skb_dequeue+0x53/0x320 net/core/skbuff.c:3094 ieee80211_tasklet_handler+0xd6/0x390 net/mac80211/main.c:228 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 run_ksoftirqd+0x20/0x40 kernel/softirq.c:652 smpboot_thread_fn+0x5f5/0xa90 kernel/smpboot.c:165 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 17 Comm: ksoftirqd/1 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:__msan_instrument_asm_store+0x0/0x130 mm/kmsan/kmsan_instr.c:58 Code: 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 be 08 00 00 00 ba 01 00 00 00 e8 ad 18 00 00 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 53 50 80 3d 87 3b 06 10 00 0f 84 f9 00 00 RSP: 0018:ffff888102447b20 EFLAGS: 00000246 RAX: ffff888102047b38 RBX: ffff88813fd27b00 RCX: 0000000000000003 RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffff888102447b38 RBP: ffff888102447b70 R08: ffffea000000000f R09: ffff88813fffa000 R10: 000000009139edcd R11: ffff888102439f40 R12: ffff88813fd27b00 R13: ffff888102447b38 R14: ffff88815bac0dd4 R15: 0000000000000000 skb_dequeue+0x53/0x320 net/core/skbuff.c:3094 ieee80211_tasklet_handler+0xd6/0x390 net/mac80211/main.c:228 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 run_ksoftirqd+0x20/0x40 kernel/softirq.c:652 smpboot_thread_fn+0x5f5/0xa90 kernel/smpboot.c:165 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 ===================================================== ===================================================== 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: 1 PID: 17 Comm: ksoftirqd/1 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:__msan_instrument_asm_store+0x0/0x130 mm/kmsan/kmsan_instr.c:58 Code: 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 be 08 00 00 00 ba 01 00 00 00 e8 ad 18 00 00 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 53 50 80 3d 87 3b 06 10 00 0f 84 f9 00 00 RSP: 0018:ffff888102447b20 EFLAGS: 00000246 RAX: ffff888102047b38 RBX: ffff88813fd27b00 RCX: 0000000000000003 RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffff888102447b38 RBP: ffff888102447b70 R08: ffffea000000000f R09: ffff88813fffa000 R10: 000000009139edcd R11: ffff888102439f40 R12: ffff88813fd27b00 R13: ffff888102447b38 R14: ffff88815bac0dd4 R15: 0000000000000000 skb_dequeue+0x53/0x320 net/core/skbuff.c:3094 ieee80211_tasklet_handler+0xd6/0x390 net/mac80211/main.c:228 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 run_ksoftirqd+0x20/0x40 kernel/softirq.c:652 smpboot_thread_fn+0x5f5/0xa90 kernel/smpboot.c:165 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 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 ----fl.i@locks_remove_file created at: locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 locks_remove_flock fs/locks.c:2737 [inline] locks_remove_file+0xf6/0x2060 fs/locks.c:2791 =====================================================