rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (0 ticks this GP) idle=2f9/1/0x4000000000000000 softirq=71058/71058 fqs=0 rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P45/1:b..l P578/1:b..l (detected by 1, t=10502 jiffies, g=118949, q=41) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32172 Comm: syz-executor.1 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_release+0x57/0x720 kernel/locking/lockdep.c:5645 Code: b3 8a b5 41 48 c1 ed 03 48 c7 44 24 18 d0 43 37 8b 48 01 e8 48 c7 44 24 20 90 ab 5c 81 c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 04 f2 40 08 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00 RSP: 0018:ffffc90000007c48 EFLAGS: 00000086 RAX: fffff52000000f8b RBX: 0000000000000016 RCX: ffffffff815d1ed0 RDX: 1ffff1100e51f441 RSI: ffffffff83dee5d7 RDI: ffffffff906785e8 RBP: 1ffff92000000f8b R08: ffffffff906785d0 R09: 0000000000000003 R10: fffff52000000f93 R11: 0000000000000000 R12: ffffffff906785e8 R13: dffffc0000000000 R14: 1ffff92000000fa7 R15: ffffffff89ae0500 FS: 0000555555600400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00fdf1000 CR3: 000000007bb85000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x16/0x70 kernel/locking/spinlock.c:194 debug_object_activate+0x287/0x3e0 lib/debugobjects.c:689 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline] debug_activate kernel/time/hrtimer.c:475 [inline] enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084 __run_hrtimer kernel/time/hrtimer.c:1702 [inline] __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:200 Code: 00 00 e9 66 13 63 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 e9 d7 8a 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 40 70 02 00 a9 00 01 ff 00 74 0e RSP: 0018:ffffc9000422f7f8 EFLAGS: 00000216 RAX: 0000000080000002 RBX: 8000000033fb7007 RCX: 0000000080000002 RDX: 0000000000000000 RSI: ffffffff81adc17b RDI: 0000000000000003 RBP: 0000000000000010 R08: 000000000000007f R09: ffffea0000cfedf7 R10: ffffffff81adc166 R11: 0000000000000000 R12: ffffea0000cfedc0 R13: dffffc0000000000 R14: ffffea0000cfedf4 R15: ffffea0000cfedc0 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline] page_ref_inc include/linux/page_ref.h:158 [inline] folio_ref_inc include/linux/page_ref.h:165 [inline] folio_get include/linux/mm.h:1199 [inline] get_page include/linux/mm.h:1204 [inline] copy_present_pte mm/memory.c:957 [inline] copy_pte_range mm/memory.c:1073 [inline] copy_pmd_range mm/memory.c:1159 [inline] copy_pud_range mm/memory.c:1196 [inline] copy_p4d_range mm/memory.c:1220 [inline] copy_page_range+0xeab/0x42c0 mm/memory.c:1293 dup_mmap kernel/fork.c:609 [inline] dup_mm+0xa4e/0x13e0 kernel/fork.c:1450 copy_mm kernel/fork.c:1502 [inline] copy_process+0x6fed/0x75a0 kernel/fork.c:2191 kernel_clone+0xe7/0xab0 kernel/fork.c:2582 __do_sys_clone+0xc8/0x110 kernel/fork.c:2699 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f82ceed00db Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffd82820890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82ceed00db RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555600400 R10: 00005555556006d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd82820970 task:syz-executor.2 state:R running task stack:28904 pid: 578 ppid: 31259 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6253 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6668 irqentry_exit+0x31/0x80 kernel/entry/common.c:425 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode+0x2c/0x40 kernel/kcov.c:177 Code: 05 99 dc 8a 7e 89 c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 a4 15 00 00 85 d2 74 0b 8b 86 80 15 00 00 <39> f8 0f 94 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 31 c0 RSP: 0018:ffffc9000482f7e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 07fffc440253a6d2 RCX: 000000000000000e RDX: 0000000000000000 RSI: ffff888019bc1d00 RDI: 0000000000000003 RBP: ffff8880771487a0 R08: 000000000000003f R09: ffff88801dd52da8 R10: ffffffff81d25a76 R11: 0000000000000000 R12: 000000000000000e R13: ffff88801dd52d38 R14: 0000000000010000 R15: ffff88801dd52d38 write_comp_data kernel/kcov.c:221 [inline] __sanitizer_cov_trace_const_cmp4+0x1c/0x70 kernel/kcov.c:287 m_hash fs/namespace.c:114 [inline] __lookup_mnt+0x36/0x130 fs/namespace.c:626 __follow_mount_rcu fs/namei.c:1450 [inline] handle_mounts fs/namei.c:1486 [inline] step_into+0x3b5/0x1c80 fs/namei.c:1800 walk_component+0x171/0x6a0 fs/namei.c:1976 link_path_walk.part.0+0x757/0xd00 fs/namei.c:2297 link_path_walk fs/namei.c:2222 [inline] path_openat+0x263/0x2750 fs/namei.c:3555 do_filp_open+0x1aa/0x400 fs/namei.c:3586 do_sys_openat2+0x16d/0x4d0 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_openat fs/open.c:1244 [inline] __se_sys_openat fs/open.c:1239 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1239 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fd2f9f23a04 RSP: 002b:00007fff88e4a600 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2f9f23a04 RDX: 0000000000080001 RSI: 00007fd2f9fcaff5 RDI: 00000000ffffff9c RBP: 00007fd2f9fcaff5 R08: 0000000000000000 R09: 00007fff88e4a5f0 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080001 R13: 00007fff88e4a6a0 R14: 0000000000000000 R15: 00007fff88e4ac40 task:kworker/u4:2 state:R running task stack:24088 pid: 45 ppid: 2 flags:0x00004000 Workqueue: bat_events batadv_nc_worker Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6253 preempt_schedule_notrace+0x5b/0xd0 kernel/sched/core.c:6498 preempt_schedule_notrace_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:36 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x42a/0x510 kernel/locking/lockdep.c:5608 rcu_lock_acquire include/linux/rcupdate.h:268 [inline] rcu_read_lock include/linux/rcupdate.h:688 [inline] batadv_nc_process_nc_paths.part.0+0xec/0x3c0 net/batman-adv/network-coding.c:691 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:683 [inline] batadv_nc_worker+0xc46/0xfa0 net/batman-adv/network-coding.c:732 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g118949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=41714 rcu: rcu_preempt kthread starved for 10502 jiffies! g118949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:28688 pid: 14 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1955 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2128 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32172 Comm: syz-executor.1 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1170 [inline] RIP: 0010:rcu_lockdep_current_cpu_online+0x83/0x150 kernel/rcu/tree.c:1160 Code: 3c 02 00 0f 85 ad 00 00 00 48 03 1c ed a0 28 56 8b 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 90 00 00 00 48 8d 7b 20 48 8b 6b 18 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc90000007ca8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff8880b9c3a900 RCX: ffffffff815cb368 RDX: 1ffff11017387523 RSI: 0000000000010005 RDI: ffff8880b9c3a918 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8d912417 R10: fffffbfff1b22482 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88807a9f2300 R15: 0000000000000000 FS: 0000555555600400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00fdf1000 CR3: 000000007bb85000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_read_lock_held_common kernel/rcu/update.c:112 [inline] rcu_read_lock_held_common kernel/rcu/update.c:102 [inline] rcu_read_lock_sched_held+0x25/0x70 kernel/rcu/update.c:123 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x442/0x510 kernel/locking/lockdep.c:5608 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] advance_sched+0x53/0x9a0 net/sched/sch_taprio.c:714 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:200 Code: 00 00 e9 66 13 63 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 e9 d7 8a 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 40 70 02 00 a9 00 01 ff 00 74 0e RSP: 0018:ffffc9000422f7f8 EFLAGS: 00000216 RAX: 0000000080000002 RBX: 8000000033fb7007 RCX: 0000000080000002 RDX: 0000000000000000 RSI: ffffffff81adc17b RDI: 0000000000000003 RBP: 0000000000000010 R08: 000000000000007f R09: ffffea0000cfedf7 R10: ffffffff81adc166 R11: 0000000000000000 R12: ffffea0000cfedc0 R13: dffffc0000000000 R14: ffffea0000cfedf4 R15: ffffea0000cfedc0 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline] page_ref_inc include/linux/page_ref.h:158 [inline] folio_ref_inc include/linux/page_ref.h:165 [inline] folio_get include/linux/mm.h:1199 [inline] get_page include/linux/mm.h:1204 [inline] copy_present_pte mm/memory.c:957 [inline] copy_pte_range mm/memory.c:1073 [inline] copy_pmd_range mm/memory.c:1159 [inline] copy_pud_range mm/memory.c:1196 [inline] copy_p4d_range mm/memory.c:1220 [inline] copy_page_range+0xeab/0x42c0 mm/memory.c:1293 dup_mmap kernel/fork.c:609 [inline] dup_mm+0xa4e/0x13e0 kernel/fork.c:1450 copy_mm kernel/fork.c:1502 [inline] copy_process+0x6fed/0x75a0 kernel/fork.c:2191 kernel_clone+0xe7/0xab0 kernel/fork.c:2582 __do_sys_clone+0xc8/0x110 kernel/fork.c:2699 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f82ceed00db Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffd82820890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82ceed00db RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555600400 R10: 00005555556006d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd82820970 watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.4:579] Modules linked in: irq event stamp: 24300204 hardirqs last enabled at (24300203): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 hardirqs last disabled at (24300204): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1097 softirqs last enabled at (6144): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (6144): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 softirqs last disabled at (6107): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (6107): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 CPU: 1 PID: 579 Comm: syz-executor.4 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x452/0xc20 kernel/smp.c:969 Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 80 75 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 33 06 00 00 8b 43 08 31 RSP: 0018:ffffc90004917c08 EFLAGS: 00000246 RAX: 0000000000040000 RBX: ffff8880b9c41d40 RCX: ffffc9000d468000 RDX: 0000000000040000 RSI: ffffffff816c2290 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff816c22b6 R11: 0000000000000000 R12: ffffed10173883a9 R13: 0000000000000000 R14: ffff8880b9c41d48 R15: 0000000000000001 FS: 00007f20faa53700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff88e49f88 CR3: 000000008462c000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: clock_was_set+0x599/0x790 kernel/time/hrtimer.c:974 do_settimeofday64 kernel/time/timekeeping.c:1327 [inline] do_settimeofday64+0x3e2/0x5c0 kernel/time/timekeeping.c:1293 do_sys_settimeofday64 kernel/time/time.c:195 [inline] do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169 __do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline] __se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline] __x64_sys_clock_settime+0x1a1/0x280 kernel/time/posix-timers.c:1067 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f20fd4ddae9 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:00007f20faa53188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3 RAX: ffffffffffffffda RBX: 00007f20fd5f0f60 RCX: 00007f20fd4ddae9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f20fd537f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7e91d2df R14: 00007f20faa53300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32172 Comm: syz-executor.1 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memory_is_nonzero mm/kasan/generic.c:101 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x5c/0x180 mm/kasan/generic.c:189 Code: e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 48 89 da <48> 29 ea 48 83 fa 10 7e 63 41 89 eb 41 83 e3 07 75 74 4c 8d 5a 07 RSP: 0018:ffffc90000007e20 EFLAGS: 00000086 RAX: fffffbfff1b22482 RBX: fffffbfff1b22483 RCX: ffffffff81670259 RDX: fffffbfff1b22483 RSI: 0000000000000008 RDI: ffffffff8d912410 RBP: fffffbfff1b22482 R08: 0000000000000000 R09: ffffffff8d912417 R10: fffffbfff1b22482 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880b9c2a500 R14: ffff8880b9c2a400 R15: ffffffff875e8be0 FS: 0000555555600400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00fdf1000 CR3: 000000007bb85000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] cpumask_test_cpu include/linux/cpumask.h:344 [inline] cpu_online include/linux/cpumask.h:895 [inline] trace_hrtimer_expire_entry include/trace/events/timer.h:232 [inline] __run_hrtimer kernel/time/hrtimer.c:1682 [inline] __hrtimer_run_queues+0x569/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:200 Code: 00 00 e9 66 13 63 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 e9 d7 8a 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 40 70 02 00 a9 00 01 ff 00 74 0e RSP: 0018:ffffc9000422f7f8 EFLAGS: 00000216 RAX: 0000000080000002 RBX: 8000000033fb7007 RCX: 0000000080000002 RDX: 0000000000000000 RSI: ffffffff81adc17b RDI: 0000000000000003 RBP: 0000000000000010 R08: 000000000000007f R09: ffffea0000cfedf7 R10: ffffffff81adc166 R11: 0000000000000000 R12: ffffea0000cfedc0 R13: dffffc0000000000 R14: ffffea0000cfedf4 R15: ffffea0000cfedc0 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline] page_ref_inc include/linux/page_ref.h:158 [inline] folio_ref_inc include/linux/page_ref.h:165 [inline] folio_get include/linux/mm.h:1199 [inline] get_page include/linux/mm.h:1204 [inline] copy_present_pte mm/memory.c:957 [inline] copy_pte_range mm/memory.c:1073 [inline] copy_pmd_range mm/memory.c:1159 [inline] copy_pud_range mm/memory.c:1196 [inline] copy_p4d_range mm/memory.c:1220 [inline] copy_page_range+0xeab/0x42c0 mm/memory.c:1293 dup_mmap kernel/fork.c:609 [inline] dup_mm+0xa4e/0x13e0 kernel/fork.c:1450 copy_mm kernel/fork.c:1502 [inline] copy_process+0x6fed/0x75a0 kernel/fork.c:2191 kernel_clone+0xe7/0xab0 kernel/fork.c:2582 __do_sys_clone+0xc8/0x110 kernel/fork.c:2699 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f82ceed00db Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffd82820890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82ceed00db RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555600400 R10: 00005555556006d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd82820970 ---------------- Code disassembly (best guess): 0: b3 8a mov $0x8a,%bl 2: b5 41 mov $0x41,%ch 4: 48 c1 ed 03 shr $0x3,%rbp 8: 48 c7 44 24 18 d0 43 movq $0xffffffff8b3743d0,0x18(%rsp) f: 37 8b 11: 48 01 e8 add %rbp,%rax 14: 48 c7 44 24 20 90 ab movq $0xffffffff815cab90,0x20(%rsp) 1b: 5c 81 1d: c7 00 f1 f1 f1 f1 movl $0xf1f1f1f1,(%rax) 23: c7 40 04 f1 f1 04 f2 movl $0xf204f1f1,0x4(%rax) * 2a: c7 40 08 04 f3 f3 f3 movl $0xf3f3f304,0x8(%rax) <-- trapping instruction 31: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 38: 00 00 3a: 48 rex.W 3b: 89 .byte 0x89 3c: 84 24 88 test %ah,(%rax,%rcx,4)