./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor640840252 <...> Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts. execve("./syz-executor640840252", ["./syz-executor640840252"], 0x7ffe8a661100 /* 10 vars */) = 0 brk(NULL) = 0x55558c53e000 brk(0x55558c53ed00) = 0x55558c53ed00 arch_prctl(ARCH_SET_FS, 0x55558c53e380) = 0 set_tid_address(0x55558c53e650) = 5017 set_robust_list(0x55558c53e660, 24) = 0 rseq(0x55558c53eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor640840252", 4096) = 27 getrandom("\xe4\x59\xa6\xb9\x07\xb4\x05\x68", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558c53ed00 brk(0x55558c55fd00) = 0x55558c55fd00 brk(0x55558c560000) = 0x55558c560000 mprotect(0x7ff7bcad6000, 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=0x55558c53e650) = 5018 ./strace-static-x86_64: Process 5018 attached [pid 5018] set_robust_list(0x55558c53e660, 24) = 0 [pid 5018] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5018] setsid() = 1 [pid 5018] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5018] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5018] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5018] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5018] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5018] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5018] unshare(CLONE_NEWNS) = 0 [pid 5018] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5018] unshare(CLONE_NEWIPC) = 0 [pid 5018] unshare(CLONE_NEWCGROUP) = 0 [pid 5018] unshare(CLONE_NEWUTS) = 0 [pid 5018] unshare(CLONE_SYSVSEM) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "16777216", 8) = 8 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "536870912", 9) = 9 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1024", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "8192", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1024", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1024", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5018] close(3) = 0 [pid 5018] getpid() = 1 [pid 5018] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 159.598114][ C0] dump_stack_lvl+0x216/0x2d0 [ 159.603058][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 159.609142][ C0] dump_stack+0x1e/0x30 [ 159.613474][ C0] panic+0x4e2/0xcd0 [ 159.617585][ C0] ? kmsan_get_metadata+0x51/0x1d0 [ 159.622954][ C0] kmsan_report+0x2d5/0x2e0 [ 159.627691][ C0] ? __msan_warning+0x95/0x120 [ 159.632690][ C0] ? bpf_prog_run_generic_xdp+0x13a0/0x1ee0 [ 159.638805][ C0] ? do_xdp_generic+0xb68/0x1440 [ 159.643863][ C0] ? __netif_receive_skb_core+0x2533/0x6190 [ 159.649980][ C0] ? __netif_receive_skb+0xca/0xa00 [ 159.658423][ C0] ? process_backlog+0x480/0x8b0 [ 159.663583][ C0] ? __napi_poll+0xe7/0x980 [ 159.668278][ C0] ? net_rx_action+0x89d/0x1820 [ 159.673339][ C0] ? __do_softirq+0x1c0/0x7d7 [ 159.678256][ C0] ? irq_exit_rcu+0x6a/0x130 [ 159.683068][ C0] ? sysvec_apic_timer_interrupt+0x83/0x90 [ 159.689072][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 159.695374][ C0] ? _raw_spin_unlock_irqrestore+0x33/0x60 [ 159.701343][ C0] ? hrtimer_start_range_ns+0x112c/0x11a0 [ 159.707288][ C0] ? j1939_tp_schedule_txtimer+0xc2/0x100 [ 159.713279][ C0] ? j1939_sk_sendmsg+0x1a0e/0x2730 [ 159.718692][ C0] ? __sock_sendmsg+0x30f/0x380 [ 159.723696][ C0] ? ____sys_sendmsg+0x877/0xb60 [ 159.728827][ C0] ? ___sys_sendmsg+0x28d/0x3c0 [ 159.733866][ C0] ? __x64_sys_sendmsg+0x307/0x4a0 [ 159.739098][ C0] ? do_syscall_64+0xd5/0x1f0 [ 159.743895][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 159.750192][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 159.755577][ C0] ? __bpf_prog_run32+0xb2/0xe0 [ 159.760626][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 159.766032][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 159.772016][ C0] __msan_warning+0x95/0x120 [ 159.776847][ C0] bpf_prog_run_generic_xdp+0x13a0/0x1ee0 [ 159.782780][ C0] do_xdp_generic+0xb68/0x1440 [ 159.787791][ C0] __netif_receive_skb_core+0x2533/0x6190 [ 159.793690][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 159.799661][ C0] ? __netif_receive_skb+0x95/0xa00 [ 159.805029][ C0] ? filter_irq_stacks+0x60/0x1a0 [ 159.810197][ C0] ? stack_depot_save_flags+0x2c/0x6e0 [ 159.815854][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 159.821275][ C0] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 159.827787][ C0] __netif_receive_skb+0xca/0xa00 [ 159.832996][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 159.838351][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 159.844388][ C0] ? __rcu_read_lock+0x46/0x70 [ 159.849277][ C0] process_backlog+0x480/0x8b0 [ 159.854197][ C0] ? __pfx_process_backlog+0x10/0x10 [ 159.859711][ C0] __napi_poll+0xe7/0x980 [ 159.864315][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 159.869745][ C0] net_rx_action+0x89d/0x1820 [ 159.874563][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 159.879840][ C0] __do_softirq+0x1c0/0x7d7 [ 159.884613][ C0] irq_exit_rcu+0x6a/0x130 [ 159.889256][ C0] sysvec_apic_timer_interrupt+0x83/0x90 [ 159.895075][ C0] [ 159.898070][ C0] [ 159.901182][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 159.907347][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x33/0x60 [ 159.913971][ C0] Code: 56 53 49 89 f6 48 89 fb e8 aa 9f d9 f2 48 89 df e8 b2 91 d9 f2 c6 00 00 c6 03 00 41 f7 c6 00 02 00 00 74 01 fb be 04 00 00 00 <48> c7 c7 88 59 0a 00 e8 c1 93 d9 f2 65 ff 0d 52 8b a1 70 74 09 5b [ 159.933736][ C0] RSP: 0018:ffff88813185f8a0 EFLAGS: 00000206 [ 159.939983][ C0] RAX: ffff88823fdcc100 RBX: ffff88813fc96100 RCX: 000000023fd1a100 [ 159.948114][ C0] RDX: ffff88823fd1a100 RSI: 0000000000000004 RDI: ffff88813fc96100 [ 159.956243][ C0] RBP: ffff88813185f8b0 R08: ffffea000000000f R09: 0000000000000000 [ 159.964343][ C0] R10: ffff8881310530b8 R11: ffffffff814f80a0 R12: 0000000000000000 [ 159.972485][ C0] R13: 0000000000000282 R14: 0000000000000282 R15: 0000000000000001 [ 159.980611][ C0] ? __pfx_lapic_next_event+0x10/0x10 [ 159.986302][ C0] hrtimer_start_range_ns+0x112c/0x11a0 [ 159.992017][ C0] ? kmsan_get_metadata+0x50/0x1d0 [ 159.997371][ C0] j1939_tp_schedule_txtimer+0xc2/0x100 [ 160.003105][ C0] j1939_sk_sendmsg+0x1a0e/0x2730 [ 160.008405][ C0] ? __pfx_j1939_sk_sendmsg+0x10/0x10 [ 160.013956][ C0] ? __pfx_j1939_sk_sendmsg+0x10/0x10 [ 160.019513][ C0] __sock_sendmsg+0x30f/0x380 [ 160.024424][ C0] ____sys_sendmsg+0x877/0xb60 [ 160.029370][ C0] ___sys_sendmsg+0x28d/0x3c0 [ 160.034152][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 160.039527][ C0] ? filter_irq_stacks+0x60/0x1a0 [ 160.044793][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 160.050200][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 160.056172][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 160.061580][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 160.067576][ C0] __x64_sys_sendmsg+0x307/0x4a0 [ 160.072715][ C0] do_syscall_64+0xd5/0x1f0 [ 160.077406][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 160.083529][ C0] RIP: 0033:0x7ff7bca5de29 [ 160.088024][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 160.107784][ C0] RSP: 002b:00007ffd9742af68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.116392][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff7bca5de29 [ 160.124534][ C0] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 160.132662][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000100000000 [ 160.140786][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 160.148890][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 160.156998][ C0] [ 160.160237][ C0] Kernel Offset: disabled [ 160.164648][ C0] Rebooting in 86400 seconds..