./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor12579742 <...> Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts. execve("./syz-executor12579742", ["./syz-executor12579742"], 0x7fffb722e180 /* 10 vars */) = 0 brk(NULL) = 0x55557d22a000 brk(0x55557d22ad00) = 0x55557d22ad00 arch_prctl(ARCH_SET_FS, 0x55557d22a380) = 0 set_tid_address(0x55557d22a650) = 5825 set_robust_list(0x55557d22a660, 24) = 0 rseq(0x55557d22aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor12579742", 4096) = 26 getrandom("\xeb\x45\xd6\x1f\x9d\x71\xcc\x1f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557d22ad00 brk(0x55557d24bd00) = 0x55557d24bd00 brk(0x55557d24c000) = 0x55557d24c000 mprotect(0x7fb82b944000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached , child_tidptr=0x55557d22a650) = 5826 [pid 5826] set_robust_list(0x55557d22a660, 24) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] getppid() = 0 [pid 5826] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5826] unshare(CLONE_NEWNS) = 0 [pid 5826] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5826] unshare(CLONE_NEWIPC) = 0 [pid 5826] unshare(CLONE_NEWCGROUP) = 0 [pid 5826] unshare(CLONE_NEWUTS) = 0 [pid 5826] unshare(CLONE_SYSVSEM) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "16777216", 8) = 8 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "536870912", 9) = 9 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "8192", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5826] close(3) = 0 [pid 5826] getpid() = 1 [pid 5826] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 76 ff ff ff e8 c8 06 e0 fc c6 05 d9 d6 50 0b 01 90 [ 75.856302][ C0] RSP: 0018:ffffc90000007c08 EFLAGS: 00010246 [ 75.862363][ C0] RAX: 14ca8013cdc76700 RBX: ffff88802fdd6ae4 RCX: ffffffff8e694640 [ 75.870350][ C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.878332][ C0] RBP: 0000000000000003 R08: ffffffff8155d222 R09: 1ffff92000000f1c [ 75.886335][ C0] R10: dffffc0000000000 R11: fffff52000000f1d R12: ffff888034beb868 [ 75.894319][ C0] R13: ffff88802fdd6ae4 R14: 1ffff1100697d718 R15: ffff888034beb800 [ 75.902300][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 75.911244][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.917841][ C0] CR2: 00007fb82b948100 CR3: 000000007e7f0000 CR4: 00000000003526f0 [ 75.925851][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.933953][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.941975][ C0] Call Trace: [ 75.945282][ C0] [ 75.948164][ C0] ? __warn+0x168/0x4e0 [ 75.952441][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 75.958019][ C0] ? report_bug+0x2b3/0x500 [ 75.962528][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 75.968121][ C0] ? handle_bug+0x60/0x90 [ 75.972440][ C0] ? exc_invalid_op+0x1a/0x50 [ 75.977154][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 75.982216][ C0] ? __warn_printk+0x292/0x360 [ 75.987082][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 75.992666][ C0] ? refcount_warn_saturate+0x159/0x1d0 [ 75.998297][ C0] j1939_session_put+0x1ed/0x440 [ 76.003245][ C0] j1939_tp_rxtimer+0x184/0x3d0 [ 76.008121][ C0] ? __pfx_j1939_tp_rxtimer+0x10/0x10 [ 76.013516][ C0] __hrtimer_run_queues+0x59b/0xd50 [ 76.018786][ C0] ? ktime_get_update_offsets_now+0x3c/0x250 [ 76.024805][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 76.030547][ C0] ? ktime_get_update_offsets_now+0x22d/0x250 [ 76.036641][ C0] hrtimer_run_softirq+0x19a/0x2c0 [ 76.041785][ C0] handle_softirqs+0x2c5/0x980 [ 76.046590][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 76.051376][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 76.056712][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 76.061940][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 76.066566][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 76.071781][ C0] irq_exit_rcu+0x9/0x30 [ 76.076034][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 76.081769][ C0] [ 76.084687][ C0] [ 76.087631][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 76.093611][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 76.098917][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 55 27 ab 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 76.118549][ C0] RSP: 0018:ffffffff8e607ca8 EFLAGS: 00000246 [ 76.124609][ C0] RAX: ffffffff8e694640 RBX: ffff8880202fc864 RCX: 000000000004edf9 [ 76.132599][ C0] RDX: 0000000000000001 RSI: ffff8880202fc800 RDI: ffff8880202fc864 [ 76.140585][ C0] RBP: 000000000003a978 R08: ffff8880b8637e9b R09: 1ffff110170c6fd3 [ 76.148585][ C0] R10: dffffc0000000000 R11: ffffffff8bbeda00 R12: ffff888020bd8000 [ 76.156598][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f11c460 [ 76.164589][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 76.169931][ C0] acpi_idle_enter+0xe4/0x140 [ 76.174626][ C0] cpuidle_enter_state+0x109/0x470 [ 76.179776][ C0] ? __pfx_menu_select+0x10/0x10 [ 76.184799][ C0] cpuidle_enter+0x5d/0xa0 [ 76.189242][ C0] do_idle+0x375/0x5d0 [ 76.193311][ C0] ? __pfx___schedule+0x10/0x10 [ 76.198213][ C0] ? __pfx_do_idle+0x10/0x10 [ 76.202816][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.208722][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.215045][ C0] ? rest_init+0x31/0x300 [ 76.219410][ C0] ? rest_init+0x31/0x300 [ 76.223743][ C0] cpu_startup_entry+0x42/0x60 [ 76.228534][ C0] rest_init+0x2dc/0x300 [ 76.232795][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 76.238486][ C0] start_kernel+0x47f/0x500 [ 76.242996][ C0] x86_64_start_reservations+0x2a/0x30 [ 76.248498][ C0] x86_64_start_kernel+0x9f/0xa0 [ 76.253452][ C0] common_startup_64+0x13e/0x147 [ 76.258415][ C0] [ 76.261442][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.268735][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 [ 76.279065][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 76.289151][ C0] Call Trace: [ 76.292460][ C0] [ 76.295297][ C0] dump_stack_lvl+0x241/0x360 [ 76.299979][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.305203][ C0] ? __pfx__printk+0x10/0x10 [ 76.309819][ C0] ? vscnprintf+0x5d/0x90 [ 76.314173][ C0] panic+0x349/0x880 [ 76.318093][ C0] ? __warn+0x177/0x4e0 [ 76.322278][ C0] ? __pfx_panic+0x10/0x10 [ 76.326719][ C0] ? common_startup_64+0x13e/0x147 [ 76.331853][ C0] __warn+0x34b/0x4e0 [ 76.335848][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 76.341419][ C0] report_bug+0x2b3/0x500 [ 76.345767][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 76.351373][ C0] handle_bug+0x60/0x90 [ 76.355558][ C0] exc_invalid_op+0x1a/0x50 [ 76.360067][ C0] asm_exc_invalid_op+0x1a/0x20 [ 76.365027][ C0] RIP: 0010:refcount_warn_saturate+0x15a/0x1d0 [ 76.371567][ C0] Code: 60 ef 5f 8c e8 87 fc a0 fc 90 0f 0b 90 90 eb 99 e8 eb 06 e0 fc c6 05 ff d6 50 0b 01 90 48 c7 c7 c0 ef 5f 8c e8 67 fc a0 fc 90 <0f> 0b 90 90 e9 76 ff ff ff e8 c8 06 e0 fc c6 05 d9 d6 50 0b 01 90 [ 76.391301][ C0] RSP: 0018:ffffc90000007c08 EFLAGS: 00010246 [ 76.397373][ C0] RAX: 14ca8013cdc76700 RBX: ffff88802fdd6ae4 RCX: ffffffff8e694640 [ 76.405347][ C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.413316][ C0] RBP: 0000000000000003 R08: ffffffff8155d222 R09: 1ffff92000000f1c [ 76.421281][ C0] R10: dffffc0000000000 R11: fffff52000000f1d R12: ffff888034beb868 [ 76.429266][ C0] R13: ffff88802fdd6ae4 R14: 1ffff1100697d718 R15: ffff888034beb800 [ 76.437274][ C0] ? __warn_printk+0x292/0x360 [ 76.442057][ C0] ? refcount_warn_saturate+0x159/0x1d0 [ 76.447630][ C0] j1939_session_put+0x1ed/0x440 [ 76.452581][ C0] j1939_tp_rxtimer+0x184/0x3d0 [ 76.457434][ C0] ? __pfx_j1939_tp_rxtimer+0x10/0x10 [ 76.462834][ C0] __hrtimer_run_queues+0x59b/0xd50 [ 76.468062][ C0] ? ktime_get_update_offsets_now+0x3c/0x250 [ 76.474074][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 76.479823][ C0] ? ktime_get_update_offsets_now+0x22d/0x250 [ 76.486176][ C0] hrtimer_run_softirq+0x19a/0x2c0 [ 76.491315][ C0] handle_softirqs+0x2c5/0x980 [ 76.496100][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 76.500876][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 76.506172][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 76.511400][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 76.516006][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 76.521214][ C0] irq_exit_rcu+0x9/0x30 [ 76.525459][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 76.531118][ C0] [ 76.534052][ C0] [ 76.536981][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 76.542971][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 76.548286][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 55 27 ab 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 76.567908][ C0] RSP: 0018:ffffffff8e607ca8 EFLAGS: 00000246 [ 76.573981][ C0] RAX: ffffffff8e694640 RBX: ffff8880202fc864 RCX: 000000000004edf9 [ 76.581949][ C0] RDX: 0000000000000001 RSI: ffff8880202fc800 RDI: ffff8880202fc864 [ 76.589918][ C0] RBP: 000000000003a978 R08: ffff8880b8637e9b R09: 1ffff110170c6fd3 [ 76.597883][ C0] R10: dffffc0000000000 R11: ffffffff8bbeda00 R12: ffff888020bd8000 [ 76.605850][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f11c460 [ 76.613817][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 76.619118][ C0] acpi_idle_enter+0xe4/0x140 [ 76.623795][ C0] cpuidle_enter_state+0x109/0x470 [ 76.628906][ C0] ? __pfx_menu_select+0x10/0x10 [ 76.633840][ C0] cpuidle_enter+0x5d/0xa0 [ 76.638258][ C0] do_idle+0x375/0x5d0 [ 76.642320][ C0] ? __pfx___schedule+0x10/0x10 [ 76.647257][ C0] ? __pfx_do_idle+0x10/0x10 [ 76.651848][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.657734][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.664069][ C0] ? rest_init+0x31/0x300 [ 76.668410][ C0] ? rest_init+0x31/0x300 [ 76.672736][ C0] cpu_startup_entry+0x42/0x60 [ 76.677495][ C0] rest_init+0x2dc/0x300 [ 76.681736][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 76.687300][ C0] start_kernel+0x47f/0x500 [ 76.691868][ C0] x86_64_start_reservations+0x2a/0x30 [ 76.697331][ C0] x86_64_start_kernel+0x9f/0xa0 [ 76.702264][ C0] common_startup_64+0x13e/0x147 [ 76.707206][ C0] [ 76.710531][ C0] Kernel Offset: disabled [ 76.714863][ C0] Rebooting in 86400 seconds..