./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3740871802 <...> DUID 00:04:ac:03:58:10:d0:76:5c:28:30:a7:8a:8b:4a:a3:06:e2 forked to background, child pid 3181 [ 23.150551][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.159574][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. execve("./syz-executor3740871802", ["./syz-executor3740871802"], 0x7ffe342ba7e0 /* 10 vars */) = 0 brk(NULL) = 0x5555560ce000 brk(0x5555560cec40) = 0x5555560cec40 arch_prctl(ARCH_SET_FS, 0x5555560ce300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3740871802", 4096) = 28 brk(0x5555560efc40) = 0x5555560efc40 brk(0x5555560f0000) = 0x5555560f0000 mprotect(0x7f85eb37a000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3603 ./strace-static-x86_64: Process 3603 attached [pid 3603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3603] setpgid(0, 0) = 0 [pid 3603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1000", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3603] ioctl(3, TIOCSETD, [21]) = 0 [pid 3603] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3603] exit_group(0) = ? syzkaller login: [ 41.139220][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 41.148562][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3603, name: syz-executor374 [ 41.158084][ C1] preempt_count: 101, expected: 0 [ 41.163156][ C1] RCU nest depth: 0, expected: 0 [ 41.168191][ C1] INFO: lockdep is turned off. [ 41.172992][ C1] Preemption disabled at: [ 41.173002][ C1] [] unwind_next_frame+0xaa/0x1cc0 [ 41.184083][ C1] CPU: 1 PID: 3603 Comm: syz-executor374 Not tainted 6.1.0-rc1-next-20221021-syzkaller #0 [ 41.193994][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 41.204068][ C1] Call Trace: [ 41.207353][ C1] [ 41.210182][ C1] dump_stack_lvl+0xcd/0x134 [ 41.214763][ C1] __might_resched.cold+0x222/0x26b [ 41.219948][ C1] __mutex_lock+0x9f/0x1350 [ 41.224444][ C1] ? tty_ldisc_close+0x110/0x190 [ 41.229370][ C1] ? tty_ldisc_kill+0x94/0x150 [ 41.234134][ C1] ? tty_release_struct+0x20/0xe0 [ 41.239176][ C1] ? tty_release+0xc10/0x11b0 [ 41.243853][ C1] ? __fput+0x27c/0xa90 [ 41.247989][ C1] ? task_work_run+0x16b/0x270 [ 41.252742][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 41.257698][ C1] ? __x64_sys_exit_group+0x3a/0x50 [ 41.262881][ C1] ? do_syscall_64+0x35/0xb0 [ 41.267456][ C1] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.273513][ C1] ? __mutex_lock+0x0/0x1350 [ 41.278091][ C1] ? lock_release+0x0/0x810 [ 41.282588][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 41.288221][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 41.293092][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 41.297868][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 41.303067][ C1] gsm_dlci_t1+0x186/0x450 [ 41.307494][ C1] call_timer_fn+0x1da/0x7c0 [ 41.312069][ C1] ? gsm_dlci_t1+0x0/0x450 [ 41.316472][ C1] ? lock_release+0x5cb/0x810 [ 41.321133][ C1] ? call_timer_fn+0x0/0x7c0 [ 41.325709][ C1] ? lock_release+0x0/0x810 [ 41.330212][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 41.335768][ C1] ? gsm_dlci_t1+0x0/0x450 [ 41.340177][ C1] ? gsm_dlci_t1+0x0/0x450 [ 41.344603][ C1] ? gsm_dlci_t1+0x0/0x450 [ 41.349007][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 41.354111][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 41.359216][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 41.363964][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 41.369146][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 41.373986][ C1] run_timer_softirq+0xb3/0x1d0 [ 41.378825][ C1] __do_softirq+0x1f7/0xad8 [ 41.383321][ C1] __irq_exit_rcu+0x123/0x180 [ 41.388007][ C1] irq_exit_rcu+0x5/0x20 [ 41.392238][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 41.397863][ C1] [ 41.400785][ C1] [ 41.403711][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 41.409250][ C1] RIP: 0010:__orc_find+0x3b/0xf0 [ 41.414191][ C1] Code: 48 83 ec 10 85 d2 0f 84 95 00 00 00 4c 39 e7 49 89 fd 0f 87 9a 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c <48> 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 [ 41.433801][ C1] RSP: 0018:ffffc90003bef4b0 EFLAGS: 00000212 [ 41.439851][ C1] RAX: ffffffff845efd25 RBX: ffffffff8df75cdc RCX: ffffffff845efd60 [ 41.447819][ C1] RDX: 0000000000000000 RSI: ffffffff8e7cc082 RDI: ffffffff8df75cc8 [ 41.455791][ C1] RBP: ffffffff8df75cd8 R08: ffffffff8bc00ae0 R09: ffffc90003bef59c [ 41.463760][ C1] R10: fffff5200077deb8 R11: 000000000008c001 R12: ffffffff8df75ce0 [ 41.471751][ C1] R13: ffffffff8df75cc8 R14: ffffffff8df75cd4 R15: dffffc0000000000 [ 41.479710][ C1] ? gsmld_close+0x5/0x210 [ 41.484113][ C1] ? gsmld_close+0x40/0x210 [ 41.488620][ C1] ? arch_stack_walk+0x5c/0xe0 [ 41.493389][ C1] ? gsmld_close+0x40/0x210 [ 41.497971][ C1] unwind_next_frame+0x2a3/0x1cc0 [ 41.502985][ C1] ? gsmld_close+0x41/0x210 [ 41.507478][ C1] ? kernel_text_address+0xd/0x80 [ 41.512495][ C1] ? stack_trace_consume_entry+0x0/0x160 [ 41.518117][ C1] arch_stack_walk+0x7d/0xe0 [ 41.522691][ C1] ? gsmld_close+0x41/0x210 [ 41.527181][ C1] ? __kmem_cache_free+0xab/0x3b0 [ 41.532193][ C1] stack_trace_save+0x8c/0xc0 [ 41.536871][ C1] ? stack_trace_save+0x0/0xc0 [ 41.541648][ C1] kasan_save_stack+0x1e/0x40 [ 41.546313][ C1] ? kasan_save_stack+0x1e/0x40 [ 41.551150][ C1] ? __kasan_unpoison_range-0xf/0x10 [ 41.556426][ C1] ? kasan_save_free_info+0x2a/0x40 [ 41.561616][ C1] ? ____kasan_slab_free+0x160/0x1c0 [ 41.566915][ C1] ? slab_free_freelist_hook+0x8b/0x1c0 [ 41.572445][ C1] ? __kmem_cache_free+0xab/0x3b0 [ 41.577462][ C1] ? kstrdup-0xf/0x70 [ 41.581439][ C1] ? kobject_put+0x1df/0x4c0 [ 41.586041][ C1] ? device_unregister+0x2c/0xc0 [ 41.591051][ C1] ? device_destroy+0x96/0xd0 [ 41.595716][ C1] ? tty_unregister_device+0x7e/0x1b0 [ 41.601078][ C1] ? gsm_cleanup_mux+0x5c1/0x800 [ 41.606026][ C1] ? gsmld_close+0x41/0x210 [ 41.610531][ C1] ? gsmld_close+0x41/0x210 [ 41.615023][ C1] ? tty_ldisc_close+0x110/0x190 [ 41.619945][ C1] ? tty_ldisc_kill+0x94/0x150 [ 41.624696][ C1] ? tty_ldisc_release+0x1ef/0x2a0 [ 41.629792][ C1] ? tty_release_struct+0x20/0xe0 [ 41.634798][ C1] ? tty_release+0xc10/0x11b0 [ 41.639459][ C1] ? __fput+0x27c/0xa90 [ 41.643596][ C1] ? task_work_run+0x16b/0x270 [ 41.648353][ C1] ? do_exit+0xb35/0x29a0 [ 41.652669][ C1] ? do_group_exit+0xd0/0x2a0 [ 41.657426][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.662876][ C1] ? lock_acquire+0x4fc/0x630 [ 41.667538][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.673003][ C1] ? lock_release+0x5cb/0x810 [ 41.677671][ C1] ? debug_check_no_obj_freed+0x20c/0x420 [ 41.683387][ C1] ? lock_release+0x0/0x810 [ 41.687880][ C1] ? do_raw_spin_lock+0x0/0x2a0 [ 41.692719][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 41.698598][ C1] ? trace_hardirqs_on+0x2d/0x180 [ 41.703608][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 41.709402][ C1] ? debug_check_no_obj_freed+0x20c/0x420 [ 41.715106][ C1] __kasan_unpoison_range-0xf/0x10 [ 41.720208][ C1] kasan_save_free_info+0x2a/0x40 [ 41.725218][ C1] ____kasan_slab_free+0x160/0x1c0 [ 41.730345][ C1] slab_free_freelist_hook+0x8b/0x1c0 [ 41.735742][ C1] ? kstrdup-0xf/0x70 [ 41.739709][ C1] __kmem_cache_free+0xab/0x3b0 [ 41.744595][ C1] ? __kmem_cache_free+0xab/0x3b0 [ 41.749608][ C1] kstrdup-0xf/0x70 [ 41.753401][ C1] kobject_put+0x1df/0x4c0 [ 41.757807][ C1] device_unregister+0x2c/0xc0 [ 41.762559][ C1] device_destroy+0x96/0xd0 [ 41.767049][ C1] ? device_destroy+0x0/0xd0 [ 41.771624][ C1] ? kobject_put+0x1e4/0x4c0 [ 41.776201][ C1] tty_unregister_device+0x7e/0x1b0 [ 41.781384][ C1] ? tty_unregister_device+0x0/0x1b0 [ 41.786654][ C1] gsm_cleanup_mux+0x5c1/0x800 [ 41.791405][ C1] ? gsm_cleanup_mux+0x0/0x800 [ 41.796155][ C1] ? trace_hardirqs_on+0x2d/0x180 [ 41.801165][ C1] ? __ldsem_down_write_nested+0x0/0x850 [ 41.806786][ C1] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 41.812423][ C1] gsmld_close+0x41/0x210 [ 41.816748][ C1] ? gsmld_close+0x0/0x210 [ 41.821175][ C1] tty_ldisc_close+0x110/0x190 [ 41.825926][ C1] tty_ldisc_kill+0x94/0x150 [ 41.830512][ C1] tty_ldisc_release+0x1ef/0x2a0 [ 41.835464][ C1] tty_release_struct+0x20/0xe0 [ 41.840320][ C1] tty_release+0xc10/0x11b0 [ 41.844833][ C1] __fput+0x27c/0xa90 [ 41.848797][ C1] ? tty_release+0x0/0x11b0 [ 41.853284][ C1] task_work_run+0x16b/0x270 [ 41.857956][ C1] ? task_work_run+0x0/0x270 [ 41.862713][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 41.867905][ C1] do_exit+0xb35/0x29a0 [ 41.872047][ C1] ? lock_release+0x0/0x810 [ 41.876533][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 41.881544][ C1] ? do_exit+0x0/0x29a0 [ 41.885687][ C1] ? do_raw_spin_lock+0x0/0x2a0 [ 41.890529][ C1] do_group_exit+0xd0/0x2a0 [ 41.895028][ C1] __x64_sys_exit_group+0x3a/0x50 [ 41.900038][ C1] do_syscall_64+0x35/0xb0 [ 41.904440][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.910321][ C1] RIP: 0033:0x7f85eb30bcc9 [ 41.914715][ C1] Code: Unable to access opcode bytes at 0x7f85eb30bc9f. [ 41.921709][ C1] RSP: 002b:00007fff73e19c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.930101][ C1] RAX: ffffffffffffffda RBX: 00007f85eb3803f0 RCX: 00007f85eb30bcc9 [pid 3603] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3603, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3609 ./strace-static-x86_64: Process 3609 attached [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setpgid(0, 0) = 0 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1000", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3609] ioctl(3, TIOCSETD, [21]) = 0 [ 41.938066][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 41.946022][ C1] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 00007fff73e19e58 [ 41.953975][ C1] R10: 000000000000000e R11: 0000000000000246 R12: 00007f85eb3803f0 [ 41.961965][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 41.969928][ C1] [pid 3609] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3611 ./strace-static-x86_64: Process 3611 attached [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3611] ioctl(3, TIOCSETD, [21]) = 0 [pid 3611] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3611] exit_group(0) = ? [ 42.329213][ C0] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 42.338532][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3610, name: udevd [ 42.347148][ C0] preempt_count: 100, expected: 0 [ 42.352212][ C0] RCU nest depth: 0, expected: 0 [ 42.357160][ C0] INFO: lockdep is turned off. [ 42.361955][ C0] Preemption disabled at: [ 42.361965][ C0] [] __do_softirq+0xe3/0xad8 [ 42.372506][ C0] CPU: 0 PID: 3610 Comm: udevd Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 42.383026][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 42.393353][ C0] Call Trace: [ 42.396639][ C0] [ 42.399503][ C0] dump_stack_lvl+0xcd/0x134 [ 42.404121][ C0] __might_resched.cold+0x222/0x26b [ 42.409429][ C0] __mutex_lock+0x9f/0x1350 [ 42.413969][ C0] ? lock_acquire+0x4fc/0x630 [ 42.418665][ C0] ? gsm_send.isra.0+0x41e/0x7e0 [ 42.423630][ C0] ? lock_release+0x5cb/0x810 [ 42.428335][ C0] ? __mutex_lock+0x0/0x1350 [ 42.432947][ C0] ? lock_release+0x0/0x810 [ 42.437456][ C0] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 42.443095][ C0] ? gsm_send.isra.0+0x58/0x7e0 [ 42.447965][ C0] gsm_send.isra.0+0x41e/0x7e0 [ 42.452733][ C0] gsm_dlci_begin_close+0x12e/0x210 [ 42.457934][ C0] gsm_dlci_t1+0x186/0x450 [ 42.462353][ C0] call_timer_fn+0x1da/0x7c0 [ 42.466946][ C0] ? gsm_dlci_t1+0x0/0x450 [ 42.471362][ C0] ? lock_release+0x5cb/0x810 [ 42.476039][ C0] ? call_timer_fn+0x0/0x7c0 [ 42.480628][ C0] ? lock_release+0x0/0x810 [ 42.485128][ C0] ? __next_timer_interrupt+0x234/0x2b0 [ 42.490674][ C0] ? gsm_dlci_t1+0x0/0x450 [ 42.495090][ C0] ? gsm_dlci_t1+0x0/0x450 [ 42.499505][ C0] ? gsm_dlci_t1+0x0/0x450 [ 42.503926][ C0] __run_timers.part.0+0x6a2/0xaf0 [ 42.509047][ C0] ? __run_timers.part.0+0x0/0xaf0 [ 42.514247][ C0] ? sched_clock_cpu+0x0/0x2b0 [ 42.519011][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 42.524207][ C0] ? sched_clock_cpu+0x69/0x2b0 [ 42.529056][ C0] run_timer_softirq+0xb3/0x1d0 [ 42.533913][ C0] __do_softirq+0x1f7/0xad8 [ 42.538424][ C0] __irq_exit_rcu+0x123/0x180 [ 42.543101][ C0] irq_exit_rcu+0x5/0x20 [ 42.547340][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 42.552998][ C0] [ 42.555930][ C0] [ 42.558872][ C0] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 42.564439][ C0] RIP: 0010:__check_object_size+0x133/0x5a0 [ 42.570337][ C0] Code: 48 b8 00 00 00 00 00 ea ff ff 49 c1 e6 06 49 01 c6 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 08 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 56 04 00 00 49 8b 46 08 31 ff 49 89 c7 48 89 04 24 41 83 e7 [ 42.590033][ C0] RSP: 0018:ffffc90003c5fcc0 EFLAGS: 00000246 [ 42.596099][ C0] RAX: dffffc0000000000 RBX: 0000000000000fe0 RCX: 0000000000000000 [ 42.604100][ C0] RDX: 1ffffd4000379fb1 RSI: ffffffff8136e304 RDI: ffffea0001bcfd88 [ 42.612079][ C0] RBP: ffff88806f3f7600 R08: 0000000000000007 R09: 0000000000000000 [ 42.620058][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806f3f6620 [ 42.628032][ C0] R13: 0000000000000000 R14: ffffea0001bcfd80 R15: ffffffff8dc26510 [ 42.636012][ C0] ? __phys_addr+0xc4/0x140 [ 42.640537][ C0] strncpy_from_user+0xaa/0x3c0 [ 42.645401][ C0] getname_flags.part.0+0x95/0x4f0 [ 42.650517][ C0] getname+0x8e/0xd0 [ 42.654412][ C0] do_sys_openat2+0xf5/0x4c0 [ 42.659008][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.664492][ C0] ? do_sys_openat2+0x0/0x4c0 [ 42.669196][ C0] ? lock_release+0x0/0x810 [ 42.673716][ C0] ? __up_read+0x0/0x720 [ 42.677973][ C0] __x64_sys_openat+0x13f/0x1f0 [ 42.682832][ C0] ? __x64_sys_openat+0x0/0x1f0 [ 42.687687][ C0] ? syscall_enter_from_user_mode+0x22/0xb0 [ 42.693588][ C0] ? trace_hardirqs_on+0x2d/0x180 [ 42.698636][ C0] do_syscall_64+0x35/0xb0 [ 42.703076][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 42.708987][ C0] RIP: 0033:0x7efc10b25697 [ 42.713407][ C0] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f [ 42.733046][ C0] RSP: 002b:00007ffdd03dca90 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 42.741460][ C0] RAX: ffffffffffffffda RBX: 0000556c5e34b320 RCX: 00007efc10b25697 [ 42.749435][ C0] RDX: 0000000000080000 RSI: 00007ffdd03dcbc8 RDI: 00000000ffffff9c [ 42.757409][ C0] RBP: 00007ffdd03dcbc8 R08: 0000000000000008 R09: 0000000000000001 [ 42.765388][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 [pid 3611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3612 ./strace-static-x86_64: Process 3612 attached [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3612] ioctl(3, TIOCSETD, [21]) = 0 [ 42.773616][ C0] R13: 0000556c5e34b320 R14: 0000000000000001 R15: 0000556c5dc4e160 [ 42.781590][ C0] [pid 3612] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3617 ./strace-static-x86_64: Process 3617 attached [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3617] ioctl(3, TIOCSETD, [21]) = 0 [pid 3617] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3618 ./strace-static-x86_64: Process 3618 attached [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] setpgid(0, 0) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "1000", 4) = 4 [pid 3618] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3618] ioctl(3, TIOCSETD, [21]) = 0 [pid 3618] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3619 ./strace-static-x86_64: Process 3619 attached [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3619] ioctl(3, TIOCSETD, [21]) = 0 [pid 3619] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3620 ./strace-static-x86_64: Process 3620 attached [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3620] ioctl(3, TIOCSETD, [21]) = 0 [pid 3620] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3621 attached , child_tidptr=0x5555560ce5d0) = 3621 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1000", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3621] ioctl(3, TIOCSETD, [21]) = 0 [pid 3621] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3622 ./strace-static-x86_64: Process 3622 attached [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3622] ioctl(3, TIOCSETD, [21]) = 0 [pid 3622] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3623 attached [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3602] <... clone resumed>, child_tidptr=0x5555560ce5d0) = 3623 [pid 3623] setpgid(0, 0) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1000", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3623] ioctl(3, TIOCSETD, [21]) = 0 [pid 3623] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3624 ./strace-static-x86_64: Process 3624 attached [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3624] ioctl(3, TIOCSETD, [21]) = 0 [pid 3624] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3624] exit_group(0) = ? [pid 3624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3626 ./strace-static-x86_64: Process 3626 attached [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3626] ioctl(3, TIOCSETD, [21]) = 0 [pid 3626] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3627 ./strace-static-x86_64: Process 3627 attached [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3627] setpgid(0, 0) = 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3627] write(3, "1000", 4) = 4 [pid 3627] close(3) = 0 [pid 3627] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3627] ioctl(3, TIOCSETD, [21]) = 0 [pid 3627] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3627] exit_group(0) = ? [pid 3627] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3628 ./strace-static-x86_64: Process 3628 attached [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3628] ioctl(3, TIOCSETD, [21]) = 0 [pid 3628] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3629 ./strace-static-x86_64: Process 3629 attached [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3629] ioctl(3, TIOCSETD, [21]) = 0 [pid 3629] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3630 ./strace-static-x86_64: Process 3630 attached [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3630] ioctl(3, TIOCSETD, [21]) = 0 [pid 3630] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3630] exit_group(0) = ? [ 45.009227][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 45.018559][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1 [ 45.027270][ C1] preempt_count: 101, expected: 0 [ 45.032328][ C1] RCU nest depth: 0, expected: 0 [ 45.037279][ C1] INFO: lockdep is turned off. [ 45.042069][ C1] Preemption disabled at: [ 45.042080][ C1] [<0000000000000000>] 0x0 [ 45.050859][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 45.061480][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 45.071554][ C1] Call Trace: [ 45.074849][ C1] [ 45.077714][ C1] dump_stack_lvl+0xcd/0x134 [ 45.082340][ C1] __might_resched.cold+0x222/0x26b [ 45.087567][ C1] __mutex_lock+0x9f/0x1350 [ 45.092109][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 45.097619][ C1] ? lock_release+0x5cb/0x810 [ 45.102324][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 45.107286][ C1] ? __update_load_avg_se+0x4e7/0xa90 [ 45.112691][ C1] ? __mutex_lock+0x0/0x1350 [ 45.117301][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 45.122168][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 45.127811][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 45.132672][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 45.137446][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 45.142655][ C1] gsm_dlci_t1+0x186/0x450 [ 45.147098][ C1] call_timer_fn+0x1da/0x7c0 [ 45.151713][ C1] ? gsm_dlci_t1+0x0/0x450 [ 45.156145][ C1] ? lock_release+0x5cb/0x810 [ 45.160832][ C1] ? call_timer_fn+0x0/0x7c0 [ 45.165427][ C1] ? lock_release+0x0/0x810 [ 45.169933][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 45.175485][ C1] ? gsm_dlci_t1+0x0/0x450 [ 45.179905][ C1] ? gsm_dlci_t1+0x0/0x450 [ 45.184327][ C1] ? gsm_dlci_t1+0x0/0x450 [ 45.188748][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 45.193873][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 45.198987][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 45.203754][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 45.208995][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 45.213852][ C1] run_timer_softirq+0xb3/0x1d0 [ 45.218709][ C1] __do_softirq+0x1f7/0xad8 [ 45.223218][ C1] __irq_exit_rcu+0x123/0x180 [ 45.227896][ C1] irq_exit_rcu+0x5/0x20 [ 45.232138][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 45.237912][ C1] [ 45.240866][ C1] [ 45.243799][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 45.249373][ C1] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 [ 45.255203][ C1] Code: 89 de e8 46 34 e9 f7 84 db 75 ac e8 ad 37 e9 f7 e8 f8 ad ef f7 66 90 e8 a1 37 e9 f7 0f 00 2d 4a 37 a1 00 e8 95 37 e9 f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 70 34 e9 f7 48 85 db [ 45.274821][ C1] RSP: 0018:ffffc90000177d10 EFLAGS: 00000293 [ 45.280889][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 45.288855][ C1] RDX: ffff888011a71d40 RSI: ffffffff89935d9b RDI: ffffffff89935d88 [ 45.296824][ C1] RBP: ffff88801776a064 R08: 0000000000000000 R09: 0000000000000000 [ 45.304796][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 45.312765][ C1] R13: ffff88801776a000 R14: ffff88801776a064 R15: ffff888011a6f004 [ 45.320744][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 45.325949][ C1] ? acpi_idle_do_entry+0x1e8/0x2a0 [ 45.331151][ C1] acpi_idle_enter+0x364/0x500 [ 45.335919][ C1] cpuidle_enter_state+0x1ab/0xd30 [ 45.341558][ C1] cpuidle_enter+0x4a/0xa0 [ 45.345977][ C1] do_idle+0x3f7/0x590 [ 45.350050][ C1] ? do_idle+0x0/0x590 [ 45.354128][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x70 [pid 3630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3631 ./strace-static-x86_64: Process 3631 attached [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3) = 0 [pid 3631] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3631] ioctl(3, TIOCSETD, [21]) = 0 [ 45.359936][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 45.365151][ C1] init_rt_bandwidth-0xc/0xe0 [ 45.369843][ C1] start_secondary+0x252/0x300 [ 45.374631][ C1] ? start_secondary+0x0/0x300 [ 45.379415][ C1] verify_cpu-0xd/0x100 [ 45.383652][ C1] [pid 3631] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3632 attached , child_tidptr=0x5555560ce5d0) = 3632 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3632] ioctl(3, TIOCSETD, [21]) = 0 [pid 3632] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3633 ./strace-static-x86_64: Process 3633 attached [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3633] setpgid(0, 0) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3633] write(3, "1000", 4) = 4 [pid 3633] close(3) = 0 [pid 3633] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3633] ioctl(3, TIOCSETD, [21]) = 0 [pid 3633] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3633] exit_group(0) = ? [ 46.059222][ C0] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 46.068548][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3633, name: syz-executor374 [ 46.078049][ C0] preempt_count: 101, expected: 0 [ 46.083094][ C0] RCU nest depth: 0, expected: 0 [ 46.088012][ C0] INFO: lockdep is turned off. [ 46.092783][ C0] Preemption disabled at: [ 46.092793][ C0] [<0000000000000000>] 0x0 [ 46.101572][ C0] CPU: 0 PID: 3633 Comm: syz-executor374 Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 46.112925][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 46.122974][ C0] Call Trace: [ 46.126238][ C0] [ 46.129077][ C0] dump_stack_lvl+0xcd/0x134 [ 46.133686][ C0] __might_resched.cold+0x222/0x26b [ 46.138878][ C0] __mutex_lock+0x9f/0x1350 [ 46.143382][ C0] ? do_syscall_64+0x35/0xb0 [ 46.147962][ C0] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.154027][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 46.159516][ C0] ? gsm_send.isra.0+0x41e/0x7e0 [ 46.164473][ C0] ? __mutex_lock+0x0/0x1350 [ 46.169085][ C0] ? __mod_timer+0x83c/0xe30 [ 46.173684][ C0] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 46.179325][ C0] ? gsm_send.isra.0+0x58/0x7e0 [ 46.184184][ C0] gsm_send.isra.0+0x41e/0x7e0 [ 46.188953][ C0] gsm_dlci_begin_close+0x12e/0x210 [ 46.194156][ C0] gsm_dlci_t1+0x186/0x450 [ 46.198578][ C0] call_timer_fn+0x1da/0x7c0 [ 46.203171][ C0] ? gsm_dlci_t1+0x0/0x450 [ 46.207594][ C0] ? lock_release+0x5cb/0x810 [ 46.212271][ C0] ? call_timer_fn+0x0/0x7c0 [ 46.216866][ C0] ? lock_release+0x0/0x810 [ 46.221367][ C0] ? do_raw_spin_lock+0x0/0x2a0 [ 46.226221][ C0] ? __next_timer_interrupt+0x234/0x2b0 [ 46.231798][ C0] ? gsm_dlci_t1+0x0/0x450 [ 46.236219][ C0] ? gsm_dlci_t1+0x0/0x450 [ 46.240640][ C0] ? gsm_dlci_t1+0x0/0x450 [ 46.245062][ C0] __run_timers.part.0+0x6a2/0xaf0 [ 46.250269][ C0] ? __run_timers.part.0+0x0/0xaf0 [ 46.255385][ C0] ? sched_clock_cpu+0x0/0x2b0 [ 46.260152][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 46.265352][ C0] ? sched_clock_cpu+0x69/0x2b0 [ 46.270203][ C0] run_timer_softirq+0xb3/0x1d0 [ 46.275060][ C0] __do_softirq+0x1f7/0xad8 [ 46.279570][ C0] __irq_exit_rcu+0x123/0x180 [ 46.284249][ C0] irq_exit_rcu+0x5/0x20 [ 46.288491][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 46.294148][ C0] [ 46.297073][ C0] [ 46.299996][ C0] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 46.305557][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 [ 46.311974][ C0] Code: 74 24 10 e8 fa 3e cc f7 48 89 ef e8 42 ab cc f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 f3 3f bf f7 65 8b 05 34 26 70 76 85 c0 74 0a 5b 5d c3 e8 60 9a [ 46.331585][ C0] RSP: 0018:ffffc90003d3f8e0 EFLAGS: 00000206 [ 46.337650][ C0] RAX: 0000000000000046 RBX: 0000000000000200 RCX: 1ffffffff1b84d21 [ 46.345618][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 46.353583][ C0] RBP: ffff88801673a948 R08: 0000000000000000 R09: 0000000000000000 [ 46.361551][ C0] R10: ffffed1002ce7529 R11: 000000000008c001 R12: ffff88801c27a0c0 [ 46.369520][ C0] R13: ffffc90003d3f978 R14: ffff88801673a948 R15: 0000000000000000 [ 46.377503][ C0] klist_next+0x288/0x510 [ 46.381849][ C0] ? device_match_devt+0x0/0x90 [ 46.386710][ C0] class_find_device+0x174/0x2a0 [ 46.391680][ C0] ? class_find_device+0x0/0x2a0 [ 46.396629][ C0] ? slab_free_freelist_hook+0x8b/0x1c0 [ 46.402178][ C0] ? cdev_dynamic_release+0x3a/0x50 [ 46.407380][ C0] device_destroy+0x79/0xd0 [ 46.411884][ C0] ? device_destroy+0x0/0xd0 [ 46.416475][ C0] ? kobject_put+0x1e4/0x4c0 [ 46.421072][ C0] tty_unregister_device+0x7e/0x1b0 [ 46.426274][ C0] gsm_cleanup_mux+0x5c1/0x800 [ 46.431046][ C0] ? gsm_cleanup_mux+0x0/0x800 [ 46.435815][ C0] ? trace_hardirqs_on+0x2d/0x180 [ 46.440840][ C0] ? __ldsem_down_write_nested+0x0/0x850 [ 46.446484][ C0] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 46.452140][ C0] gsmld_close+0x41/0x210 [ 46.456474][ C0] ? gsmld_close+0x0/0x210 [ 46.460899][ C0] tty_ldisc_close+0x110/0x190 [ 46.465674][ C0] tty_ldisc_kill+0x94/0x150 [ 46.470268][ C0] tty_ldisc_release+0x1ef/0x2a0 [ 46.475215][ C0] tty_release_struct+0x20/0xe0 [ 46.480070][ C0] tty_release+0xc10/0x11b0 [ 46.484580][ C0] __fput+0x27c/0xa90 [ 46.488559][ C0] ? tty_release+0x0/0x11b0 [ 46.493063][ C0] task_work_run+0x16b/0x270 [ 46.497664][ C0] ? task_work_run+0x0/0x270 [ 46.502261][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 46.507466][ C0] do_exit+0xb35/0x29a0 [ 46.511623][ C0] ? lock_release+0x0/0x810 [ 46.516124][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 46.521149][ C0] ? do_exit+0x0/0x29a0 [ 46.525300][ C0] ? do_raw_spin_lock+0x0/0x2a0 [ 46.530158][ C0] do_group_exit+0xd0/0x2a0 [ 46.534663][ C0] __x64_sys_exit_group+0x3a/0x50 [ 46.539686][ C0] do_syscall_64+0x35/0xb0 [ 46.544118][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.550020][ C0] RIP: 0033:0x7f85eb30bcc9 [ 46.554429][ C0] Code: Unable to access opcode bytes at 0x7f85eb30bc9f. [ 46.561436][ C0] RSP: 002b:00007fff73e19c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 46.569844][ C0] RAX: ffffffffffffffda RBX: 00007f85eb3803f0 RCX: 00007f85eb30bcc9 [ 46.577809][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 46.585774][ C0] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 00007fff73e19e58 [ 46.593738][ C0] R10: 000000000000000e R11: 0000000000000246 R12: 00007f85eb3803f0 [ 46.601703][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [pid 3633] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3634 attached , child_tidptr=0x5555560ce5d0) = 3634 [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3634] ioctl(3, TIOCSETD, [21]) = 0 [ 46.609678][ C0] [pid 3634] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3635 ./strace-static-x86_64: Process 3635 attached [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3635] setpgid(0, 0) = 0 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3635] write(3, "1000", 4) = 4 [pid 3635] close(3) = 0 [pid 3635] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3635] ioctl(3, TIOCSETD, [21]) = 0 [pid 3635] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3635] exit_group(0) = ? [pid 3635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3636] ioctl(3, TIOCSETD, [21]) = 0 [pid 3636] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3636] exit_group(0) = ? [ 47.149227][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 47.158580][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1 [ 47.167308][ C1] preempt_count: 101, expected: 0 [ 47.172371][ C1] RCU nest depth: 0, expected: 0 [ 47.177327][ C1] INFO: lockdep is turned off. [ 47.182122][ C1] Preemption disabled at: [ 47.182132][ C1] [<0000000000000000>] 0x0 [ 47.190905][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 47.201514][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 47.211587][ C1] Call Trace: [ 47.214972][ C1] [ 47.217831][ C1] dump_stack_lvl+0xcd/0x134 [ 47.222453][ C1] __might_resched.cold+0x222/0x26b [ 47.227673][ C1] __mutex_lock+0x9f/0x1350 [ 47.232197][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 47.237683][ C1] ? lock_release+0x5cb/0x810 [ 47.242374][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 47.247328][ C1] ? __update_load_avg_se+0x4e7/0xa90 [ 47.252720][ C1] ? __mutex_lock+0x0/0x1350 [ 47.257333][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 47.262987][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 47.267856][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 47.272645][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 47.277861][ C1] gsm_dlci_t1+0x186/0x450 [ 47.282296][ C1] call_timer_fn+0x1da/0x7c0 [ 47.286906][ C1] ? gsm_dlci_t1+0x0/0x450 [ 47.291342][ C1] ? lock_release+0x5cb/0x810 [ 47.296032][ C1] ? call_timer_fn+0x0/0x7c0 [ 47.300635][ C1] ? lock_release+0x0/0x810 [ 47.305149][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 47.310712][ C1] ? gsm_dlci_t1+0x0/0x450 [ 47.315144][ C1] ? gsm_dlci_t1+0x0/0x450 [ 47.319576][ C1] ? gsm_dlci_t1+0x0/0x450 [ 47.324009][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 47.329143][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 47.334271][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 47.339049][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 47.344266][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 47.349130][ C1] run_timer_softirq+0xb3/0x1d0 [ 47.353998][ C1] __do_softirq+0x1f7/0xad8 [ 47.358521][ C1] __irq_exit_rcu+0x123/0x180 [ 47.363235][ C1] irq_exit_rcu+0x5/0x20 [ 47.367504][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 47.373162][ C1] [ 47.376098][ C1] [ 47.379031][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 47.384600][ C1] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 [ 47.390432][ C1] Code: 89 de e8 46 34 e9 f7 84 db 75 ac e8 ad 37 e9 f7 e8 f8 ad ef f7 66 90 e8 a1 37 e9 f7 0f 00 2d 4a 37 a1 00 e8 95 37 e9 f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 70 34 e9 f7 48 85 db [ 47.410051][ C1] RSP: 0018:ffffc90000177d10 EFLAGS: 00000293 [ 47.416134][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 47.424108][ C1] RDX: ffff888011a71d40 RSI: ffffffff89935d9b RDI: ffffffff89935d88 [ 47.432085][ C1] RBP: ffff88801776a064 R08: 0000000000000000 R09: 0000000000000000 [ 47.440064][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 47.448040][ C1] R13: ffff88801776a000 R14: ffff88801776a064 R15: ffff888011a6f004 [ 47.456110][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 47.461325][ C1] ? acpi_idle_do_entry+0x1e8/0x2a0 [ 47.466543][ C1] acpi_idle_enter+0x364/0x500 [ 47.471322][ C1] cpuidle_enter_state+0x1ab/0xd30 [ 47.476453][ C1] cpuidle_enter+0x4a/0xa0 [ 47.480886][ C1] do_idle+0x3f7/0x590 [ 47.484979][ C1] ? do_idle+0x0/0x590 [ 47.489066][ C1] ? do_idle+0x6/0x590 [ 47.493149][ C1] init_rt_bandwidth-0xc/0xe0 [pid 3636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3637 ./strace-static-x86_64: Process 3637 attached [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3637] setpgid(0, 0) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3637] close(3) = 0 [pid 3637] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3637] ioctl(3, TIOCSETD, [21]) = 0 [ 47.497845][ C1] start_secondary+0x252/0x300 [ 47.502630][ C1] ? start_secondary+0x0/0x300 [ 47.507425][ C1] verify_cpu-0xd/0x100 [ 47.511604][ C1] [pid 3637] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3638 ./strace-static-x86_64: Process 3638 attached [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3638] ioctl(3, TIOCSETD, [21]) = 0 [pid 3638] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3639 ./strace-static-x86_64: Process 3639 attached [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3639] ioctl(3, TIOCSETD, [21]) = 0 [pid 3639] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3640 attached [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3640] ioctl(3, TIOCSETD, [21]) = 0 [pid 3640] ioctl(3, GSMIOC_SETCONF [pid 3602] <... clone resumed>, child_tidptr=0x5555560ce5d0) = 3640 [pid 3640] <... ioctl resumed>, 0x20000040) = 0 [pid 3640] exit_group(0) = ? [ 48.219217][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 48.228557][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3607, name: udevd [ 48.237206][ C1] preempt_count: 100, expected: 0 [ 48.242275][ C1] RCU nest depth: 0, expected: 0 [ 48.247234][ C1] INFO: lockdep is turned off. [ 48.252032][ C1] Preemption disabled at: [ 48.252043][ C1] [] __do_softirq+0xe3/0xad8 [ 48.262608][ C1] CPU: 1 PID: 3607 Comm: udevd Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 48.273135][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 48.283214][ C1] Call Trace: [ 48.286511][ C1] [ 48.289463][ C1] dump_stack_lvl+0xcd/0x134 [ 48.294092][ C1] __might_resched.cold+0x222/0x26b [ 48.299330][ C1] __mutex_lock+0x9f/0x1350 [ 48.303888][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 48.308866][ C1] ? __mutex_lock+0x0/0x1350 [ 48.313506][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 48.319184][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 48.324076][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 48.328880][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 48.334158][ C1] gsm_dlci_t1+0x186/0x450 [ 48.338619][ C1] call_timer_fn+0x1da/0x7c0 [ 48.343230][ C1] ? gsm_dlci_t1+0x0/0x450 [ 48.347669][ C1] ? lock_release+0x5cb/0x810 [ 48.352363][ C1] ? call_timer_fn+0x0/0x7c0 [ 48.356976][ C1] ? lock_release+0x0/0x810 [ 48.361499][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 48.367084][ C1] ? gsm_dlci_t1+0x0/0x450 [ 48.371518][ C1] ? gsm_dlci_t1+0x0/0x450 [ 48.375950][ C1] ? gsm_dlci_t1+0x0/0x450 [ 48.380385][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 48.385532][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 48.390663][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 48.395446][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 48.400660][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 48.405529][ C1] run_timer_softirq+0xb3/0x1d0 [ 48.410494][ C1] __do_softirq+0x1f7/0xad8 [ 48.415024][ C1] __irq_exit_rcu+0x123/0x180 [ 48.419727][ C1] irq_exit_rcu+0x5/0x20 [ 48.423988][ C1] sysvec_apic_timer_interrupt+0x45/0xc0 [ 48.429659][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 48.435234][ C1] RIP: 0033:0x7efc10a7c7a8 [ 48.439660][ C1] Code: 15 95 80 17 00 48 8d 45 ff 48 89 d9 45 31 c0 45 31 c9 48 89 44 24 18 4c 8b 1d 6c 80 17 00 4c 63 fe eb 2d 0f 1f 80 00 00 00 00 <75> 06 3a 44 24 12 77 49 4d 0f af c7 0f b6 c0 49 01 c0 48 89 c8 0f [ 48.459318][ C1] RSP: 002b:00007ffdd03e2ef0 EFLAGS: 00000202 [pid 3640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=20} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3642 attached [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3602] <... clone resumed>, child_tidptr=0x5555560ce5d0) = 3642 [pid 3642] <... prctl resumed>) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3642] ioctl(3, TIOCSETD, [21]) = 0 [ 48.465406][ C1] RAX: 0000000000000003 RBX: 00007ffdd03e355b RCX: 00007ffdd03e3560 [ 48.473390][ C1] RDX: 0000000000000003 RSI: 000000000000000a RDI: 1999999999999999 [ 48.481374][ C1] RBP: 0000000000000000 R08: 0000000000004c91 R09: 0000000000000000 [ 48.489358][ C1] R10: 00007efc10ba2ac0 R11: 00007efc10ba33c0 R12: 0000000000000000 [ 48.497344][ C1] R13: 00007ffdd03e355b R14: 0000000000000000 R15: 000000000000000a [ 48.505333][ C1] [pid 3642] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3642] exit_group(0) = ? [pid 3642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3643 attached , child_tidptr=0x5555560ce5d0) = 3643 [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3643] setpgid(0, 0) = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] write(3, "1000", 4) = 4 [pid 3643] close(3) = 0 [pid 3643] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3643] ioctl(3, TIOCSETD, [21]) = 0 [pid 3643] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3644 ./strace-static-x86_64: Process 3644 attached [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3644] write(3, "1000", 4) = 4 [pid 3644] close(3) = 0 [pid 3644] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3644] ioctl(3, TIOCSETD, [21]) = 0 [pid 3644] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3645 ./strace-static-x86_64: Process 3645 attached [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3645] setpgid(0, 0) = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3645] ioctl(3, TIOCSETD, [21]) = 0 [pid 3645] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3645] exit_group(0) = ? [ 49.219224][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 49.228564][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3599, name: strace-static-x [ 49.238085][ C1] preempt_count: 101, expected: 0 [ 49.243158][ C1] RCU nest depth: 0, expected: 0 [ 49.248104][ C1] INFO: lockdep is turned off. [ 49.252889][ C1] Preemption disabled at: [ 49.252898][ C1] [<0000000000000000>] 0x0 [ 49.261698][ C1] CPU: 1 PID: 3599 Comm: strace-static-x Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 49.273091][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 49.283165][ C1] Call Trace: [ 49.286464][ C1] [ 49.289331][ C1] dump_stack_lvl+0xcd/0x134 [ 49.293959][ C1] __might_resched.cold+0x222/0x26b [ 49.299192][ C1] __mutex_lock+0x9f/0x1350 [ 49.303732][ C1] ? kmem_cache_free+0xea/0x5b0 [ 49.308616][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 49.313572][ C1] ? __kasan_unpoison_range-0xf/0x10 [ 49.318882][ C1] ? kasan_save_free_info+0x2a/0x40 [ 49.324093][ C1] ? ____kasan_slab_free+0x160/0x1c0 [ 49.329403][ C1] ? __mutex_lock+0x0/0x1350 [ 49.334015][ C1] ? __do_softirq+0x1f7/0xad8 [ 49.338708][ C1] ? __irq_exit_rcu+0x123/0x180 [ 49.343592][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 49.349277][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 49.354165][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 49.358956][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 49.364220][ C1] gsm_dlci_t1+0x186/0x450 [ 49.368670][ C1] call_timer_fn+0x1da/0x7c0 [ 49.373288][ C1] ? gsm_dlci_t1+0x0/0x450 [ 49.377724][ C1] ? lock_release+0x5cb/0x810 [ 49.382420][ C1] ? call_timer_fn+0x0/0x7c0 [ 49.387028][ C1] ? lock_release+0x0/0x810 [ 49.391552][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 49.397120][ C1] ? gsm_dlci_t1+0x0/0x450 [ 49.401553][ C1] ? gsm_dlci_t1+0x0/0x450 [ 49.405991][ C1] ? gsm_dlci_t1+0x0/0x450 [ 49.410427][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 49.415657][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 49.420804][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 49.425588][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 49.430842][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 49.435719][ C1] run_timer_softirq+0xb3/0x1d0 [ 49.440594][ C1] __do_softirq+0x1f7/0xad8 [ 49.445121][ C1] __irq_exit_rcu+0x123/0x180 [ 49.449818][ C1] irq_exit_rcu+0x5/0x20 [ 49.454098][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 49.459765][ C1] [ 49.462706][ C1] [ 49.465644][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 49.471330][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 49.477160][ C1] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 3e 3f cc f7 48 89 ef e8 86 ab cc f7 e8 d1 9a ef f7 fb bf 01 00 00 00 46 40 bf f7 65 8b 05 87 26 70 76 85 c0 74 02 5d c3 e8 a4 06 6d [ 49.496785][ C1] RSP: 0018:ffffc90003a4fd50 EFLAGS: 00000246 [ 49.502874][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b84d21 [ 49.510864][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 49.518844][ C1] RBP: ffff8880263240c0 R08: 0000000000000000 R09: 0000000000000000 [ 49.526826][ C1] R10: ffffed1004c64818 R11: 0000000000000001 R12: 1ffff92000749fad [ 49.534811][ C1] R13: 0000000000000000 R14: ffff8880221e4308 R15: ffff8880221e3a88 [ 49.542811][ C1] ptrace_request+0x2db/0x10c0 [ 49.547607][ C1] ? ptrace_request+0x0/0x10c0 [ 49.552571][ C1] ? task_rq_lock+0x1af/0x360 [ 49.557264][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 49.563090][ C1] ? trace_hardirqs_on+0x2d/0x180 [ 49.568133][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 49.573968][ C1] ? wait_task_inactive+0x2fb/0x6a0 [ 49.579187][ C1] ? wait_task_inactive+0x0/0x6a0 [ 49.584232][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 49.589275][ C1] ? do_raw_spin_lock+0x0/0x2a0 [ 49.594145][ C1] arch_ptrace+0x36/0x510 [ 49.598494][ C1] __x64_sys_ptrace+0x178/0x2a0 [ 49.603372][ C1] do_syscall_64+0x35/0xb0 [ 49.607820][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.613751][ C1] RIP: 0033:0x4e6c1a [ 49.617667][ C1] Code: 70 41 83 f8 03 c7 44 24 10 08 00 00 00 48 89 44 24 18 48 8d 44 24 30 8b 70 08 4c 0f 43 d1 48 89 44 24 20 b8 65 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3e 48 85 c0 78 06 41 83 f8 02 76 1b 48 8b 4c [ 49.637292][ C1] RSP: 002b:00007ffe342ba3e0 EFLAGS: 00000206 ORIG_RAX: 0000000000000065 [ 49.645722][ C1] RAX: ffffffffffffffda RBX: 00000000006a82f8 RCX: 00000000004e6c1a [ 49.653703][ C1] RDX: 0000000000000000 RSI: 0000000000000e12 RDI: 0000000000000018 [ 49.661684][ C1] RBP: 0000000000000018 R08: 0000000000000017 R09: 0000000000000000 [pid 3645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=43} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3646 ./strace-static-x86_64: Process 3646 attached [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3) = 0 [pid 3646] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3646] ioctl(3, TIOCSETD, [21]) = 0 [ 49.669662][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000006a9a50 [ 49.677642][ C1] R13: 0000000000000000 R14: 000000000000857f R15: 0000000000617180 [ 49.685638][ C1] [pid 3646] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 3647] close(3) = 0 [pid 3647] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3647] ioctl(3, TIOCSETD, [21]) = 0 [pid 3647] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3647] exit_group(0) = ? [pid 3647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3648 ./strace-static-x86_64: Process 3648 attached [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3648] setpgid(0, 0) = 0 [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3648] write(3, "1000", 4) = 4 [pid 3648] close(3) = 0 [pid 3648] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3648] ioctl(3, TIOCSETD, [21]) = 0 [pid 3648] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3648] exit_group(0) = ? [ 50.249232][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 [ 50.258591][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1 [ 50.267321][ C1] preempt_count: 101, expected: 0 [ 50.272383][ C1] RCU nest depth: 0, expected: 0 [ 50.277326][ C1] INFO: lockdep is turned off. [ 50.282133][ C1] Preemption disabled at: [ 50.282144][ C1] [<0000000000000000>] 0x0 [ 50.290921][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 6.1.0-rc1-next-20221021-syzkaller #0 [ 50.301521][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 50.311584][ C1] Call Trace: [ 50.314879][ C1] [ 50.317827][ C1] dump_stack_lvl+0xcd/0x134 [ 50.322452][ C1] __might_resched.cold+0x222/0x26b [ 50.327665][ C1] __mutex_lock+0x9f/0x1350 [ 50.332197][ C1] ? kmem_cache_free+0xea/0x5b0 [ 50.337072][ C1] ? gsm_send.isra.0+0x41e/0x7e0 [ 50.342032][ C1] ? __kasan_unpoison_range-0xf/0x10 [ 50.347341][ C1] ? kasan_save_free_info+0x2a/0x40 [ 50.352651][ C1] ? ____kasan_slab_free+0x160/0x1c0 [ 50.357966][ C1] ? __mutex_lock+0x0/0x1350 [ 50.362579][ C1] ? __do_softirq+0x1f7/0xad8 [ 50.367272][ C1] ? __irq_exit_rcu+0x123/0x180 [ 50.372143][ C1] ? __kmem_cache_alloc_node+0x1df/0x3e0 [ 50.377798][ C1] ? gsm_send.isra.0+0x58/0x7e0 [ 50.382672][ C1] gsm_send.isra.0+0x41e/0x7e0 [ 50.387462][ C1] gsm_dlci_begin_close+0x12e/0x210 [ 50.392713][ C1] gsm_dlci_t1+0x186/0x450 [ 50.397153][ C1] call_timer_fn+0x1da/0x7c0 [ 50.401758][ C1] ? gsm_dlci_t1+0x0/0x450 [ 50.406194][ C1] ? lock_release+0x5cb/0x810 [ 50.410889][ C1] ? call_timer_fn+0x0/0x7c0 [ 50.415496][ C1] ? lock_release+0x0/0x810 [ 50.420015][ C1] ? __next_timer_interrupt+0x234/0x2b0 [ 50.425577][ C1] ? gsm_dlci_t1+0x0/0x450 [ 50.430013][ C1] ? gsm_dlci_t1+0x0/0x450 [ 50.434444][ C1] ? gsm_dlci_t1+0x0/0x450 [ 50.438881][ C1] __run_timers.part.0+0x6a2/0xaf0 [ 50.444016][ C1] ? __run_timers.part.0+0x0/0xaf0 [ 50.449145][ C1] ? sched_clock_cpu+0x0/0x2b0 [ 50.454012][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 50.459315][ C1] ? sched_clock_cpu+0x69/0x2b0 [ 50.464184][ C1] run_timer_softirq+0xb3/0x1d0 [ 50.469056][ C1] __do_softirq+0x1f7/0xad8 [ 50.473597][ C1] __irq_exit_rcu+0x123/0x180 [ 50.478292][ C1] irq_exit_rcu+0x5/0x20 [ 50.482548][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 50.488209][ C1] [ 50.491146][ C1] [ 50.494080][ C1] asm_sysvec_x86_platform_ipi-0xa/0x20 [ 50.499648][ C1] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 [ 50.505481][ C1] Code: 89 de e8 46 34 e9 f7 84 db 75 ac e8 ad 37 e9 f7 e8 f8 ad ef f7 66 90 e8 a1 37 e9 f7 0f 00 2d 4a 37 a1 00 e8 95 37 e9 f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 70 34 e9 f7 48 85 db [ 50.525191][ C1] RSP: 0018:ffffc90000177d10 EFLAGS: 00000293 [ 50.531279][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 50.539265][ C1] RDX: ffff888011a71d40 RSI: ffffffff89935d9b RDI: ffffffff89935d88 [ 50.547255][ C1] RBP: ffff88801776a064 R08: 0000000000000000 R09: 0000000000000000 [ 50.555264][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 50.563273][ C1] R13: ffff88801776a000 R14: ffff88801776a064 R15: ffff888011a6f004 [ 50.571267][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 50.576517][ C1] ? acpi_idle_do_entry+0x1e8/0x2a0 [ 50.581751][ C1] acpi_idle_enter+0x364/0x500 [ 50.586534][ C1] cpuidle_enter_state+0x1ab/0xd30 [ 50.591686][ C1] cpuidle_enter+0x4a/0xa0 [ 50.596125][ C1] do_idle+0x3f7/0x590 [pid 3648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3649 ./strace-static-x86_64: Process 3649 attached [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3649] ioctl(3, TIOCSETD, [21]) = 0 [ 50.600256][ C1] ? do_idle+0x0/0x590 [ 50.604345][ C1] ? do_idle+0x6/0x590 [ 50.608431][ C1] init_rt_bandwidth-0xc/0xe0 [ 50.613130][ C1] start_secondary+0x252/0x300 [ 50.617921][ C1] ? start_secondary+0x0/0x300 [ 50.622712][ C1] verify_cpu-0xd/0x100 [ 50.626895][ C1] [pid 3649] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3650 ./strace-static-x86_64: Process 3650 attached [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3650] setpgid(0, 0) = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3650] write(3, "1000", 4) = 4 [pid 3650] close(3) = 0 [pid 3650] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3650] ioctl(3, TIOCSETD, [21]) = 0 [pid 3650] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3650] exit_group(0) = ? [pid 3650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560ce5d0) = 3651 ./strace-static-x86_64: Process 3651 attached [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0) = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 3651] ioctl(3, TIOCSETD, [21]) = 0 [pid 3651] ioctl(3, GSMIOC_SETCONF, 0x20000040) = 0 [pid 3651] exit_group(0) = ?