./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2006789081 <...> Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. execve("./syz-executor2006789081", ["./syz-executor2006789081"], 0x7ffec2dd3b50 /* 10 vars */) = 0 brk(NULL) = 0x55558f165000 brk(0x55558f165d00) = 0x55558f165d00 arch_prctl(ARCH_SET_FS, 0x55558f165380) = 0 set_tid_address(0x55558f165650) = 5794 set_robust_list(0x55558f165660, 24) = 0 rseq(0x55558f165ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2006789081", 4096) = 28 getrandom("\x19\x98\xf9\x19\x1d\x0a\x9e\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558f165d00 brk(0x55558f186d00) = 0x55558f186d00 brk(0x55558f187000) = 0x55558f187000 mprotect(0x7f464057b000, 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=0x55558f165650) = 5795 ./strace-static-x86_64: Process 5795 attached [pid 5795] set_robust_list(0x55558f165660, 24) = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5795] getppid() = 0 [pid 5795] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5795] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5795] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5795] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5795] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5795] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5795] unshare(CLONE_NEWNS) = 0 [pid 5795] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5795] unshare(CLONE_NEWIPC) = 0 [pid 5795] unshare(CLONE_NEWCGROUP) = 0 [pid 5795] unshare(CLONE_NEWUTS) = 0 [pid 5795] unshare(CLONE_SYSVSEM) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "16777216", 8) = 8 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "536870912", 9) = 9 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1024", 4) = 4 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "8192", 4) = 4 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1024", 4) = 4 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1024", 4) = 4 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5795] close(3) = 0 [pid 5795] getpid() = 1 [pid 5795] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 179.815364][ T5798] dump_stack_lvl+0x216/0x2d0 [ 179.820179][ T5798] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 179.826092][ T5798] dump_stack+0x1e/0x30 [ 179.830370][ T5798] panic+0x4e2/0xcf0 [ 179.834384][ T5798] ? kmsan_get_metadata+0x131/0x1c0 [ 179.839720][ T5798] kmsan_report+0x2c7/0x2d0 [ 179.844425][ T5798] ? __msan_warning+0x95/0x120 [ 179.849308][ T5798] ? bpf_prog_run_generic_xdp+0x18e4/0x1ee0 [ 179.855322][ T5798] ? do_xdp_generic+0xc0d/0x15a0 [ 179.860369][ T5798] ? tun_get_user+0x4ddd/0x6c60 [ 179.865332][ T5798] ? tun_chr_write_iter+0x3ac/0x5d0 [ 179.870647][ T5798] ? vfs_write+0xb2b/0x1540 [ 179.875294][ T5798] ? ksys_write+0x24f/0x4c0 [ 179.879942][ T5798] ? __x64_sys_write+0x93/0xe0 [ 179.884823][ T5798] ? x64_sys_call+0x306a/0x3ba0 [ 179.889792][ T5798] ? do_syscall_64+0xcd/0x1e0 [ 179.894591][ T5798] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 179.900772][ T5798] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 179.906771][ T5798] ? ___bpf_prog_run+0xe018/0xe0f0 [ 179.912023][ T5798] ? __bpf_prog_run32+0xc2/0xf0 [ 179.916997][ T5798] ? kmsan_get_metadata+0x13e/0x1c0 [ 179.922290][ T5798] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 179.928195][ T5798] __msan_warning+0x95/0x120 [ 179.932899][ T5798] bpf_prog_run_generic_xdp+0x18e4/0x1ee0 [ 179.938782][ T5798] do_xdp_generic+0xc0d/0x15a0 [ 179.943653][ T5798] ? kmsan_get_metadata+0x13e/0x1c0 [ 179.948967][ T5798] ? tun_get_user+0x4d5d/0x6c60 [ 179.953933][ T5798] tun_get_user+0x4ddd/0x6c60 [ 179.958764][ T5798] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 179.964680][ T5798] ? kmsan_get_metadata+0x13e/0x1c0 [ 179.969975][ T5798] ? kmsan_get_metadata+0x13e/0x1c0 [ 179.975268][ T5798] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 179.981741][ T5798] ? ref_tracker_alloc+0x450/0x7e0 [ 179.987001][ T5798] tun_chr_write_iter+0x3ac/0x5d0 [ 179.992152][ T5798] vfs_write+0xb2b/0x1540 [ 179.996604][ T5798] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 180.002255][ T5798] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.008266][ T5798] ksys_write+0x24f/0x4c0 [ 180.012719][ T5798] __x64_sys_write+0x93/0xe0 [ 180.017430][ T5798] x64_sys_call+0x306a/0x3ba0 [ 180.022247][ T5798] do_syscall_64+0xcd/0x1e0 [ 180.026951][ T5798] ? clear_bhb_loop+0x25/0x80 [ 180.031738][ T5798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.037870][ T5798] RIP: 0033:0x7f4640501db0 [ 180.042387][ T5798] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d f1 e2 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 180.062131][ T5798] RSP: 002b:00007fff6ab02e98 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 180.070748][ T5798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4640501db0 [ 180.078822][ T5798] RDX: 000000000000fdef RSI: 0000000020000280 RDI: 00000000000000c8 [ 180.086912][ T5798] RBP: 0000000000000000 R08: 00007fff6ab02fc8 R09: 00007fff6ab02fc8 [ 180.094974][ T5798] R10: 00007fff6ab02fc8 R11: 0000000000000202 R12: 0000000000000000 [ 180.103055][ T5798] R13: 0000000000000000 R14: 00007fff6ab02ed0 R15: 00007fff6ab02ec0 [ 180.111170][ T5798] [ 180.114477][ T5798] Kernel Offset: disabled [ 180.118865][ T5798] Rebooting in 86400 seconds..