Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 81.268573][ C0] [ 81.270955][ C0] ======================================================== [ 81.278167][ C0] WARNING: possible irq lock inversion dependency detected [ 81.285361][ C0] 5.14.0-syzkaller #0 Not tainted [ 81.290469][ C0] -------------------------------------------------------- [ 81.297654][ C0] syz-executor264/11611 just changed the state of lock: [ 81.304602][ C0] ffff8880273b5948 (&timer->lock){..-.}-{2:2}, at: snd_timer_interrupt.part.0+0x34/0xcf0 [ 81.315910][ C0] but this lock took another, SOFTIRQ-READ-unsafe lock in the past: [ 81.323862][ C0] (&new->fa_lock){.+.+}-{2:2} [ 81.323881][ C0] [ 81.323881][ C0] [ 81.323881][ C0] and interrupts could create inverse lock ordering between them. [ 81.323881][ C0] [ 81.342897][ C0] [ 81.342897][ C0] other info that might help us debug this: [ 81.350944][ C0] Possible interrupt unsafe locking scenario: [ 81.350944][ C0] [ 81.359241][ C0] CPU0 CPU1 [ 81.364584][ C0] ---- ---- [ 81.369925][ C0] lock(&new->fa_lock); [ 81.374751][ C0] local_irq_disable(); [ 81.381681][ C0] lock(&timer->lock); [ 81.388361][ C0] lock(&new->fa_lock); [ 81.395801][ C0] [ 81.399245][ C0] lock(&timer->lock); [ 81.403549][ C0] [ 81.403549][ C0] *** DEADLOCK *** [ 81.403549][ C0] [ 81.411778][ C0] 2 locks held by syz-executor264/11611: [ 81.417394][ C0] #0: ffff888012bf0f28 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x11c0 [ 81.427580][ C0] #1: ffffc90000007d70 ((&priv->tlist)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 [ 81.436938][ C0] [ 81.436938][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 81.446301][ C0] -> (&new->fa_lock){.+.+}-{2:2} { [ 81.451752][ C0] HARDIRQ-ON-R at: [ 81.455808][ C0] lock_acquire+0x1ab/0x510 [ 81.462166][ C0] _raw_read_lock+0x5b/0x70 [ 81.468481][ C0] kill_fasync+0x132/0x460 [ 81.474748][ C0] fsnotify_add_event+0x3ba/0x500 [ 81.481577][ C0] inotify_handle_inode_event+0x31b/0x5c0 [ 81.489113][ C0] fsnotify_handle_inode_event.isra.0+0x1b8/0x270 [ 81.497338][ C0] fsnotify+0xc27/0x1050 [ 81.503395][ C0] do_sys_openat2+0x3a3/0x420 [ 81.509880][ C0] __x64_sys_open+0x119/0x1c0 [ 81.516365][ C0] do_syscall_64+0x35/0xb0 [ 81.522590][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.530294][ C0] SOFTIRQ-ON-R at: [ 81.534370][ C0] lock_acquire+0x1ab/0x510 [ 81.540689][ C0] _raw_read_lock+0x5b/0x70 [ 81.546996][ C0] kill_fasync+0x132/0x460 [ 81.553218][ C0] fsnotify_add_event+0x3ba/0x500 [ 81.560049][ C0] inotify_handle_inode_event+0x31b/0x5c0 [ 81.567571][ C0] fsnotify_handle_inode_event.isra.0+0x1b8/0x270 [ 81.575789][ C0] fsnotify+0xc27/0x1050 [ 81.581835][ C0] do_sys_openat2+0x3a3/0x420 [ 81.588322][ C0] __x64_sys_open+0x119/0x1c0 [ 81.594803][ C0] do_syscall_64+0x35/0xb0 [ 81.601021][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.608718][ C0] INITIAL USE at: [ 81.612675][ C0] lock_acquire+0x1ab/0x510 [ 81.618894][ C0] _raw_write_lock_irq+0x32/0x50 [ 81.625548][ C0] fasync_remove_entry+0xb6/0x1f0 [ 81.632303][ C0] fasync_helper+0x9e/0xb0 [ 81.638463][ C0] fsnotify_fasync+0x4d/0x80 [ 81.644789][ C0] __fput+0x712/0x920 [ 81.650489][ C0] task_work_run+0xdd/0x1a0 [ 81.656708][ C0] do_exit+0xbd4/0x2a60 [ 81.662581][ C0] do_group_exit+0x125/0x310 [ 81.668893][ C0] get_signal+0x47f/0x2160 [ 81.675045][ C0] arch_do_signal_or_restart+0x2a9/0x1c40 [ 81.682549][ C0] exit_to_user_mode_prepare+0x17d/0x290 [ 81.689898][ C0] syscall_exit_to_user_mode+0x19/0x60 [ 81.697082][ C0] do_syscall_64+0x42/0xb0 [ 81.703222][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.710847][ C0] INITIAL READ USE at: [ 81.715239][ C0] lock_acquire+0x1ab/0x510 [ 81.721894][ C0] _raw_read_lock+0x5b/0x70 [ 81.728563][ C0] kill_fasync+0x132/0x460 [ 81.735136][ C0] snd_timer_user_ccallback+0x298/0x330 [ 81.742863][ C0] snd_timer_notify1+0x11c/0x3b0 [ 81.749960][ C0] snd_timer_start1+0x4d4/0x800 [ 81.756976][ C0] snd_timer_user_start.isra.0+0x1e3/0x260 [ 81.764938][ C0] __snd_timer_user_ioctl.isra.0+0xda8/0x24c0 [ 81.773165][ C0] snd_timer_user_ioctl+0x77/0xb0 [ 81.780351][ C0] __x64_sys_ioctl+0x193/0x200 [ 81.787374][ C0] do_syscall_64+0x35/0xb0 [ 81.793968][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.802015][ C0] } [ 81.804583][ C0] ... key at: [] __key.0+0x0/0x40 [ 81.811774][ C0] ... acquired at: [ 81.815641][ C0] _raw_read_lock+0x5b/0x70 [ 81.820300][ C0] kill_fasync+0x132/0x460 [ 81.824875][ C0] snd_timer_user_ccallback+0x298/0x330 [ 81.830680][ C0] snd_timer_notify1+0x11c/0x3b0 [ 81.835775][ C0] snd_timer_start1+0x4d4/0x800 [ 81.840788][ C0] snd_timer_user_start.isra.0+0x1e3/0x260 [ 81.846765][ C0] __snd_timer_user_ioctl.isra.0+0xda8/0x24c0 [ 81.853525][ C0] snd_timer_user_ioctl+0x77/0xb0 [ 81.858708][ C0] __x64_sys_ioctl+0x193/0x200 [ 81.863730][ C0] do_syscall_64+0x35/0xb0 [ 81.868430][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.874503][ C0] [ 81.876821][ C0] -> (&timer->lock){..-.}-{2:2} { [ 81.882121][ C0] IN-SOFTIRQ-W at: [ 81.886079][ C0] lock_acquire+0x1ab/0x510 [ 81.892217][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 81.899059][ C0] snd_timer_interrupt.part.0+0x34/0xcf0 [ 81.906325][ C0] snd_timer_s_function+0x14b/0x200 [ 81.913587][ C0] call_timer_fn+0x1a5/0x6b0 [ 81.920160][ C0] __run_timers.part.0+0x675/0xa20 [ 81.926919][ C0] run_timer_softirq+0xb3/0x1d0 [ 81.933406][ C0] __do_softirq+0x29b/0x9c2 [ 81.939545][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 81.945891][ C0] irq_exit_rcu+0x5/0x20 [ 81.951769][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 81.959040][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 81.966740][ C0] stack_trace_consume_entry+0x8f/0x160 [ 81.973945][ C0] arch_stack_walk+0x6d/0xe0 [ 81.980169][ C0] stack_trace_save+0x8c/0xc0 [ 81.986493][ C0] save_stack+0x151/0x1e0 [ 81.992609][ C0] __set_page_owner+0x50/0x290 [ 81.999456][ C0] get_page_from_freelist+0xa72/0x2f80 [ 82.006565][ C0] __alloc_pages+0x1b2/0x500 [ 82.012820][ C0] alloc_pages_vma+0xd9/0x710 [ 82.019141][ C0] wp_page_copy+0x1bf/0x2450 [ 82.025370][ C0] do_wp_page+0x2cb/0x1ad0 [ 82.032628][ C0] __handle_mm_fault+0x2ada/0x5320 [ 82.039462][ C0] handle_mm_fault+0x1c8/0x790 [ 82.045949][ C0] do_user_addr_fault+0x48b/0x11c0 [ 82.052841][ C0] exc_page_fault+0x9e/0x180 [ 82.059083][ C0] asm_exc_page_fault+0x1e/0x30 [ 82.065575][ C0] __put_user_nocheck_4+0x3/0x11 [ 82.072215][ C0] schedule_tail+0xaa/0xd0 [ 82.079615][ C0] ret_from_fork+0x8/0x30 [ 82.085587][ C0] INITIAL USE at: [ 82.089465][ C0] lock_acquire+0x1ab/0x510 [ 82.095535][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 82.102281][ C0] snd_timer_resolution+0x55/0x100 [ 82.108942][ C0] snd_timer_user_params.isra.0+0x18e/0x8c0 [ 82.116381][ C0] __snd_timer_user_ioctl.isra.0+0x1020/0x24c0 [ 82.124578][ C0] snd_timer_user_ioctl+0x77/0xb0 [ 82.131158][ C0] __x64_sys_ioctl+0x193/0x200 [ 82.137563][ C0] do_syscall_64+0x35/0xb0 [ 82.143737][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 82.151200][ C0] } [ 82.153685][ C0] ... key at: [] __key.12+0x0/0x40 [ 82.160885][ C0] ... acquired at: [ 82.164671][ C0] __lock_acquire+0x11d5/0x54a0 [ 82.169695][ C0] lock_acquire+0x1ab/0x510 [ 82.174355][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 82.179714][ C0] snd_timer_interrupt.part.0+0x34/0xcf0 [ 82.185530][ C0] snd_timer_s_function+0x14b/0x200 [ 82.190898][ C0] call_timer_fn+0x1a5/0x6b0 [ 82.195650][ C0] __run_timers.part.0+0x675/0xa20 [ 82.201009][ C0] run_timer_softirq+0xb3/0x1d0 [ 82.206111][ C0] __do_softirq+0x29b/0x9c2 [ 82.210870][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 82.215735][ C0] irq_exit_rcu+0x5/0x20 [ 82.220140][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 82.225936][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 82.232096][ C0] stack_trace_consume_entry+0x8f/0x160 [ 82.237801][ C0] arch_stack_walk+0x6d/0xe0 [ 82.242557][ C0] stack_trace_save+0x8c/0xc0 [ 82.247496][ C0] save_stack+0x151/0x1e0 [ 82.251996][ C0] __set_page_owner+0x50/0x290 [ 82.256927][ C0] get_page_from_freelist+0xa72/0x2f80 [ 82.262543][ C0] __alloc_pages+0x1b2/0x500 [ 82.267301][ C0] alloc_pages_vma+0xd9/0x710 [ 82.272237][ C0] wp_page_copy+0x1bf/0x2450 [ 82.276983][ C0] do_wp_page+0x2cb/0x1ad0 [ 82.281555][ C0] __handle_mm_fault+0x2ada/0x5320 [ 82.286824][ C0] handle_mm_fault+0x1c8/0x790 [ 82.291748][ C0] do_user_addr_fault+0x48b/0x11c0 [ 82.297116][ C0] exc_page_fault+0x9e/0x180 [ 82.302020][ C0] asm_exc_page_fault+0x1e/0x30 [ 82.307053][ C0] __put_user_nocheck_4+0x3/0x11 [ 82.312174][ C0] schedule_tail+0xaa/0xd0 [ 82.316766][ C0] ret_from_fork+0x8/0x30 [ 82.321840][ C0] [ 82.324149][ C0] [ 82.324149][ C0] stack backtrace: [ 82.330028][ C0] CPU: 0 PID: 11611 Comm: syz-executor264 Not tainted 5.14.0-syzkaller #0 [ 82.338513][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.348549][ C0] Call Trace: [ 82.351817][ C0] [ 82.354642][ C0] dump_stack_lvl+0xcd/0x134 [ 82.359227][ C0] mark_lock.cold+0x86/0x8e [ 82.363737][ C0] ? lock_chain_count+0x20/0x20 [ 82.368606][ C0] ? mark_lock+0xef/0x17b0 [ 82.373008][ C0] __lock_acquire+0x11d5/0x54a0 [ 82.377849][ C0] ? lockdep_lock+0xc6/0x200 [ 82.382521][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 82.388491][ C0] ? call_rcu_zapped+0xb0/0xb0 [ 82.393249][ C0] lock_acquire+0x1ab/0x510 [ 82.397753][ C0] ? snd_timer_interrupt.part.0+0x34/0xcf0 [ 82.403548][ C0] ? lock_release+0x720/0x720 [ 82.408211][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 82.414230][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 82.420212][ C0] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 82.425574][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 82.430760][ C0] ? snd_timer_interrupt.part.0+0x34/0xcf0 [ 82.436613][ C0] snd_timer_interrupt.part.0+0x34/0xcf0 [ 82.442321][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 82.447162][ C0] ? lock_chain_count+0x20/0x20 [ 82.452013][ C0] snd_timer_s_function+0x14b/0x200 [ 82.457199][ C0] ? snd_timer_interrupt+0xd0/0xd0 [ 82.462291][ C0] call_timer_fn+0x1a5/0x6b0 [ 82.466888][ C0] ? add_timer_on+0x4a0/0x4a0 [ 82.471555][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 82.476758][ C0] ? snd_timer_interrupt+0xd0/0xd0 [ 82.481876][ C0] __run_timers.part.0+0x675/0xa20 [ 82.487092][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 82.491901][ C0] ? lapic_next_event+0x4d/0x80 [ 82.496927][ C0] run_timer_softirq+0xb3/0x1d0 [ 82.501775][ C0] __do_softirq+0x29b/0x9c2 [ 82.506286][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 82.510992][ C0] irq_exit_rcu+0x5/0x20 [ 82.515247][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 82.520919][ C0] [ 82.523849][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 82.529838][ C0] RIP: 0010:stack_trace_consume_entry+0x8f/0x160 [ 82.536162][ C0] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 90 00 00 00 <8b> 43 0c 85 c0 75 53 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 [ 82.555764][ C0] RSP: 0018:ffffc9000c707500 EFLAGS: 00000246 [ 82.561841][ C0] RAX: 0000000000000007 RBX: ffffc9000c7075d8 RCX: 0000000000000000 [ 82.569818][ C0] RDX: 0000000000000000 RSI: ffffffff89400a6e RDI: ffffc9000c7075e4 [ 82.577790][ C0] RBP: 0000000000000009 R08: ffffffff8e7c89c8 R09: 0000000000000001 [ 82.585750][ C0] R10: fffff520018e0eaf R11: 0000000000086088 R12: ffffc9000c7075d8 [ 82.593734][ C0] R13: 0000000000000000 R14: ffff88801dcb8000 R15: 0000000000000000 [ 82.601696][ C0] ? asm_exc_page_fault+0x1e/0x30 [ 82.606716][ C0] ? unwind_get_return_address+0x51/0x90 [ 82.612345][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 82.617535][ C0] arch_stack_walk+0x6d/0xe0 [ 82.622113][ C0] ? asm_exc_page_fault+0x1e/0x30 [ 82.627141][ C0] stack_trace_save+0x8c/0xc0 [ 82.631821][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 82.637617][ C0] ? find_held_lock+0x2d/0x110 [ 82.642369][ C0] save_stack+0x151/0x1e0 [ 82.646717][ C0] ? register_early_stack+0xb0/0xb0 [ 82.651934][ C0] ? get_page_from_freelist+0xa72/0x2f80 [ 82.657550][ C0] ? __alloc_pages+0x1b2/0x500 [ 82.662299][ C0] ? alloc_pages_vma+0xd9/0x710 [ 82.667148][ C0] ? wp_page_copy+0x1bf/0x2450 [ 82.671894][ C0] ? do_wp_page+0x2cb/0x1ad0 [ 82.676467][ C0] ? __handle_mm_fault+0x2ada/0x5320 [ 82.681736][ C0] ? handle_mm_fault+0x1c8/0x790 [ 82.686741][ C0] ? do_user_addr_fault+0x48b/0x11c0 [ 82.692028][ C0] ? exc_page_fault+0x9e/0x180 [ 82.696790][ C0] ? mark_held_locks+0x9f/0xe0 [ 82.701553][ C0] ? bad_range+0x252/0x300 [ 82.705959][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 82.711145][ C0] ? preempt_count_add+0x74/0x140 [ 82.716159][ C0] __set_page_owner+0x50/0x290 [ 82.720918][ C0] ? post_alloc_hook+0x145/0x1e0 [ 82.725845][ C0] get_page_from_freelist+0xa72/0x2f80 [ 82.731290][ C0] ? fs_reclaim_release+0x9c/0xf0 [ 82.736305][ C0] ? __zone_watermark_ok+0x450/0x450 [ 82.741583][ C0] ? prepare_alloc_pages+0x17b/0x580 [ 82.746947][ C0] __alloc_pages+0x1b2/0x500 [ 82.751540][ C0] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 82.758392][ C0] ? __lock_acquire+0x162f/0x54a0 [ 82.763419][ C0] alloc_pages_vma+0xd9/0x710 [ 82.768086][ C0] wp_page_copy+0x1bf/0x2450 [ 82.772667][ C0] ? restore_exclusive_pte+0x4c0/0x4c0 [ 82.778130][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 82.783066][ C0] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 82.788773][ C0] ? vm_normal_page+0x146/0x2a0 [ 82.793701][ C0] do_wp_page+0x2cb/0x1ad0 [ 82.798105][ C0] __handle_mm_fault+0x2ada/0x5320 [ 82.803229][ C0] ? vm_iomap_memory+0x190/0x190 [ 82.808157][ C0] handle_mm_fault+0x1c8/0x790 [ 82.812915][ C0] do_user_addr_fault+0x48b/0x11c0 [ 82.818034][ C0] exc_page_fault+0x9e/0x180 [ 82.822615][ C0] asm_exc_page_fault+0x1e/0x30 [ 82.827461][ C0] RIP: 0010:__put_user_nocheck_4+0x3/0x11 [ 82.833176][ C0] Code: 00 00 48 39 d9 73 54 0f 1f 00 66 89 01 31 c9 0f 1f 00 c3 0f 1f 44 00 00 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 1f 00 <89> 01 31 c9 0f 1f 00 c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f [ 82.852785][ C0] RSP: 0018:ffffc9000c707f38 EFLAGS: 00010293 [ 82.858840][ C0] RAX: 0000000000002d5b RBX: 00007fffffffeffd RCX: 0000000000f215d0 [ 82.866801][ C0] RDX: 1ffff11003b9713c RSI: 0000000000000000 RDI: 0000000000000000 executing program executing program executing program executing program executing program executing program [ 82.874775][ C0] RBP: 0000000000f215d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.882820][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 82.891453][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 82.899423][ C0] schedule_tail+0xaa/0xd0 [ 82.903837][ C0] ret_from_fork+0x8/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program