./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4059357064 <...> Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. execve("./syz-executor4059357064", ["./syz-executor4059357064"], 0x7ffc91714010 /* 10 vars */) = 0 brk(NULL) = 0x555558660000 brk(0x555558660d00) = 0x555558660d00 arch_prctl(ARCH_SET_FS, 0x555558660380) = 0 set_tid_address(0x555558660650) = 5226 set_robust_list(0x555558660660, 24) = 0 rseq(0x555558660ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4059357064", 4096) = 28 getrandom("\x18\x56\xaf\x28\x57\x36\x7a\x64", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555558660d00 brk(0x555558681d00) = 0x555558681d00 brk(0x555558682000) = 0x555558682000 mprotect(0x7f4c00128000, 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, child_tidptr=0x555558660650) = 5227 ./strace-static-x86_64: Process 5227 attached [pid 5227] set_robust_list(0x555558660660, 24) = 0 [pid 5227] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setsid() = 1 [pid 5227] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5227] unshare(CLONE_NEWNS) = 0 [pid 5227] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5227] unshare(CLONE_NEWIPC) = 0 [pid 5227] unshare(CLONE_NEWCGROUP) = 0 [pid 5227] unshare(CLONE_NEWUTS) = 0 [pid 5227] unshare(CLONE_SYSVSEM) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "16777216", 8) = 8 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "536870912", 9) = 9 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "8192", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5227] close(3) = 0 [pid 5227] getpid() = 1 [pid 5227] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 76 ff ff ff e8 f8 88 e3 fc c6 05 50 7d 31 0b 01 90 [ 67.061597][ C0] RSP: 0018:ffffc900000076a0 EFLAGS: 00010246 [ 67.067707][ C0] RAX: 4c24340865b63a00 RBX: ffff88802d166724 RCX: ffffffff8e494680 [ 67.075761][ C0] RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.083789][ C0] RBP: 0000000000000003 R08: ffffffff81559432 R09: 1ffff1101724519a [ 67.091774][ C0] R10: dffffc0000000000 R11: ffffed101724519b R12: ffff88802bce6468 [ 67.099868][ C0] R13: ffff88802d166724 R14: 1ffff1100579cc98 R15: ffff88802bce6400 [ 67.107877][ C0] FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 67.116832][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.123445][ C0] CR2: 0000555558660650 CR3: 0000000077da4000 CR4: 00000000003506f0 [ 67.131408][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.139418][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.147421][ C0] Call Trace: [ 67.150692][ C0] [ 67.153578][ C0] ? __warn+0x163/0x4e0 [ 67.157754][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 67.163352][ C0] ? report_bug+0x2b3/0x500 [ 67.167887][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 67.173672][ C0] ? handle_bug+0x3e/0x70 [ 67.178015][ C0] ? exc_invalid_op+0x1a/0x50 [ 67.182688][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 67.187754][ C0] ? __warn_printk+0x292/0x360 [ 67.192543][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 67.198135][ C0] j1939_session_put+0x1e7/0x440 [ 67.203184][ C0] j1939_tp_recv+0x31e/0x1050 [ 67.207928][ C0] j1939_can_recv+0x732/0xb20 [ 67.212611][ C0] ? __pfx_j1939_can_recv+0x10/0x10 [ 67.217871][ C0] ? __lock_acquire+0x137a/0x2040 [ 67.222921][ C0] ? __pfx_j1939_can_recv+0x10/0x10 [ 67.228159][ C0] can_rcv_filter+0x359/0x7f0 [ 67.232857][ C0] ? can_receive+0x1cd/0x470 [ 67.237477][ C0] can_receive+0x31c/0x470 [ 67.241997][ C0] can_rcv+0x144/0x260 [ 67.246105][ C0] ? __pfx_can_rcv+0x10/0x10 [ 67.250708][ C0] __netif_receive_skb+0x2e0/0x650 [ 67.255950][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 67.260991][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 67.266649][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.272648][ C0] ? __pfx_lock_release+0x10/0x10 [ 67.277795][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 67.282934][ C0] process_backlog+0x662/0x15b0 [ 67.287823][ C0] ? process_backlog+0x33b/0x15b0 [ 67.292864][ C0] ? __pfx_process_backlog+0x10/0x10 [ 67.298179][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.304200][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.310525][ C0] __napi_poll+0xcb/0x490 [ 67.314885][ C0] net_rx_action+0x89b/0x1240 [ 67.319589][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 67.324731][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.330749][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.337208][ C0] handle_softirqs+0x2c4/0x970 [ 67.341996][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 67.346808][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 67.352111][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 67.357358][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 67.361982][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 67.367226][ C0] irq_exit_rcu+0x9/0x30 [ 67.371480][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 67.377148][ C0] [ 67.380091][ C0] [ 67.383004][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 67.389018][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 67.394364][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d b5 e0 94 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 [ 67.414039][ C0] RSP: 0018:ffffffff8e407ca8 EFLAGS: 00000246 [ 67.420138][ C0] RAX: ffffffff8e494680 RBX: ffff888018a87864 RCX: 000000000001d579 [ 67.428150][ C0] RDX: 0000000000000001 RSI: ffff888018a87800 RDI: ffff888018a87864 [ 67.436188][ C0] RBP: 000000000003a6b8 R08: ffff8880b9237c7b R09: 1ffff11017246f8f [ 67.444204][ C0] R10: dffffc0000000000 R11: ffffffff8bb537c0 R12: ffff88801bfd1800 [ 67.452175][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eedb0e0 [ 67.460184][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 67.465544][ C0] acpi_idle_enter+0xe4/0x140 [ 67.470225][ C0] cpuidle_enter_state+0x112/0x480 [ 67.475366][ C0] ? __pfx_menu_select+0x10/0x10 [ 67.480325][ C0] cpuidle_enter+0x5d/0xa0 [ 67.485136][ C0] do_idle+0x375/0x5d0 [ 67.489223][ C0] ? __pfx_do_idle+0x10/0x10 [ 67.493851][ C0] ? rest_init+0x31/0x300 [ 67.498222][ C0] ? do_idle+0xa/0x5d0 [ 67.502302][ C0] ? rest_init+0x31/0x300 [ 67.506662][ C0] cpu_startup_entry+0x42/0x60 [ 67.511442][ C0] rest_init+0x2dc/0x300 [ 67.515723][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 67.521281][ C0] start_kernel+0x47a/0x500 [ 67.525827][ C0] x86_64_start_reservations+0x2a/0x30 [ 67.531303][ C0] x86_64_start_kernel+0x9f/0xa0 [ 67.536274][ C0] common_startup_64+0x13e/0x147 [ 67.541237][ C0] [ 67.544296][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 67.551583][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-syzkaller-12610-g743ff02152bc #0 [ 67.561550][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 67.571682][ C0] Call Trace: [ 67.574951][ C0] [ 67.577778][ C0] dump_stack_lvl+0x241/0x360 [ 67.582454][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.587641][ C0] ? __pfx__printk+0x10/0x10 [ 67.592221][ C0] ? vscnprintf+0x5d/0x90 [ 67.596540][ C0] panic+0x349/0x860 [ 67.600417][ C0] ? __warn+0x172/0x4e0 [ 67.604557][ C0] ? __pfx_panic+0x10/0x10 [ 67.609048][ C0] ? common_startup_64+0x13e/0x147 [ 67.614153][ C0] __warn+0x346/0x4e0 [ 67.618126][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 67.623659][ C0] report_bug+0x2b3/0x500 [ 67.627967][ C0] ? refcount_warn_saturate+0x15a/0x1d0 [ 67.633518][ C0] handle_bug+0x3e/0x70 [ 67.637708][ C0] exc_invalid_op+0x1a/0x50 [ 67.642196][ C0] asm_exc_invalid_op+0x1a/0x20 [ 67.647124][ C0] RIP: 0010:refcount_warn_saturate+0x15a/0x1d0 [ 67.653268][ C0] Code: 00 17 40 8c e8 67 97 a5 fc 90 0f 0b 90 90 eb 99 e8 1b 89 e3 fc c6 05 76 7d 31 0b 01 90 48 c7 c7 60 17 40 8c e8 47 97 a5 fc 90 <0f> 0b 90 90 e9 76 ff ff ff e8 f8 88 e3 fc c6 05 50 7d 31 0b 01 90 [ 67.672974][ C0] RSP: 0018:ffffc900000076a0 EFLAGS: 00010246 [ 67.679050][ C0] RAX: 4c24340865b63a00 RBX: ffff88802d166724 RCX: ffffffff8e494680 [ 67.687283][ C0] RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.695244][ C0] RBP: 0000000000000003 R08: ffffffff81559432 R09: 1ffff1101724519a [ 67.703213][ C0] R10: dffffc0000000000 R11: ffffed101724519b R12: ffff88802bce6468 [ 67.711172][ C0] R13: ffff88802d166724 R14: 1ffff1100579cc98 R15: ffff88802bce6400 [ 67.719138][ C0] ? __warn_printk+0x292/0x360 [ 67.723897][ C0] j1939_session_put+0x1e7/0x440 [ 67.728825][ C0] j1939_tp_recv+0x31e/0x1050 [ 67.733508][ C0] j1939_can_recv+0x732/0xb20 [ 67.738242][ C0] ? __pfx_j1939_can_recv+0x10/0x10 [ 67.743455][ C0] ? __lock_acquire+0x137a/0x2040 [ 67.748506][ C0] ? __pfx_j1939_can_recv+0x10/0x10 [ 67.753697][ C0] can_rcv_filter+0x359/0x7f0 [ 67.758371][ C0] ? can_receive+0x1cd/0x470 [ 67.762947][ C0] can_receive+0x31c/0x470 [ 67.767353][ C0] can_rcv+0x144/0x260 [ 67.771489][ C0] ? __pfx_can_rcv+0x10/0x10 [ 67.776066][ C0] __netif_receive_skb+0x2e0/0x650 [ 67.781161][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 67.786173][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 67.791785][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.797764][ C0] ? __pfx_lock_release+0x10/0x10 [ 67.802858][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 67.807965][ C0] process_backlog+0x662/0x15b0 [ 67.812811][ C0] ? process_backlog+0x33b/0x15b0 [ 67.817822][ C0] ? __pfx_process_backlog+0x10/0x10 [ 67.823354][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.829324][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.835637][ C0] __napi_poll+0xcb/0x490 [ 67.839955][ C0] net_rx_action+0x89b/0x1240 [ 67.844633][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 67.849728][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.855706][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.862115][ C0] handle_softirqs+0x2c4/0x970 [ 67.866877][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 67.871629][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 67.876900][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 67.882100][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 67.886685][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 67.891893][ C0] irq_exit_rcu+0x9/0x30 [ 67.896125][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 67.901748][ C0] [ 67.904666][ C0] [ 67.907577][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 67.913553][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 67.918827][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d b5 e0 94 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 [ 67.938420][ C0] RSP: 0018:ffffffff8e407ca8 EFLAGS: 00000246 [ 67.944479][ C0] RAX: ffffffff8e494680 RBX: ffff888018a87864 RCX: 000000000001d579 [ 67.952436][ C0] RDX: 0000000000000001 RSI: ffff888018a87800 RDI: ffff888018a87864 [ 67.960396][ C0] RBP: 000000000003a6b8 R08: ffff8880b9237c7b R09: 1ffff11017246f8f [ 67.968358][ C0] R10: dffffc0000000000 R11: ffffffff8bb537c0 R12: ffff88801bfd1800 [ 67.976317][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eedb0e0 [ 67.984278][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 67.989556][ C0] acpi_idle_enter+0xe4/0x140 [ 67.994226][ C0] cpuidle_enter_state+0x112/0x480 [ 67.999319][ C0] ? __pfx_menu_select+0x10/0x10 [ 68.004246][ C0] cpuidle_enter+0x5d/0xa0 [ 68.008646][ C0] do_idle+0x375/0x5d0 [ 68.012704][ C0] ? __pfx_do_idle+0x10/0x10 [ 68.017276][ C0] ? rest_init+0x31/0x300 [ 68.021607][ C0] ? do_idle+0xa/0x5d0 [ 68.025678][ C0] ? rest_init+0x31/0x300 [ 68.029999][ C0] cpu_startup_entry+0x42/0x60 [ 68.034747][ C0] rest_init+0x2dc/0x300 [ 68.038995][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 68.044523][ C0] start_kernel+0x47a/0x500 [ 68.049100][ C0] x86_64_start_reservations+0x2a/0x30 [ 68.054548][ C0] x86_64_start_kernel+0x9f/0xa0 [ 68.059555][ C0] common_startup_64+0x13e/0x147 [ 68.064495][ C0] [ 68.067718][ C0] Kernel Offset: disabled [ 68.072142][ C0] Rebooting in 86400 seconds..