./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3870823326 <...> Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. execve("./syz-executor3870823326", ["./syz-executor3870823326"], 0x7ffd0e470fa0 /* 10 vars */) = 0 brk(NULL) = 0x555580342000 brk(0x555580342d00) = 0x555580342d00 arch_prctl(ARCH_SET_FS, 0x555580342380) = 0 set_tid_address(0x555580342650) = 5022 set_robust_list(0x555580342660, 24) = 0 rseq(0x555580342ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3870823326", 4096) = 28 getrandom("\x60\x51\x9a\x56\xbb\xf8\xed\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555580342d00 brk(0x555580363d00) = 0x555580363d00 brk(0x555580364000) = 0x555580364000 mprotect(0x7f250988d000, 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 5023 attached [pid 5023] set_robust_list(0x555580342660, 24 [pid 5022] <... clone resumed>, child_tidptr=0x555580342650) = 5023 [pid 5023] <... set_robust_list resumed>) = 0 [pid 5023] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5023] setsid() = 1 [pid 5023] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5023] unshare(CLONE_NEWNS) = 0 [pid 5023] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5023] unshare(CLONE_NEWIPC) = 0 [pid 5023] unshare(CLONE_NEWCGROUP) = 0 [pid 5023] unshare(CLONE_NEWUTS) = 0 [pid 5023] unshare(CLONE_SYSVSEM) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "16777216", 8) = 8 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "536870912", 9) = 9 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "8192", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5023] close(3) = 0 [pid 5023] getpid() = 1 [pid 5023] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 186.522436][ T5050] dump_stack_lvl+0x216/0x2d0 [ 186.527259][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.533246][ T5050] dump_stack+0x1e/0x30 [ 186.537595][ T5050] panic+0x4e2/0xcd0 [ 186.541699][ T5050] ? kmsan_get_metadata+0xd1/0x1d0 [ 186.547069][ T5050] kmsan_report+0x2d5/0x2e0 [ 186.551782][ T5050] ? __msan_warning+0x95/0x120 [ 186.556716][ T5050] ? hsr_get_node+0xab0/0xad0 [ 186.561554][ T5050] ? hsr_forward_skb+0x330/0x30e0 [ 186.566729][ T5050] ? hsr_handle_frame+0xa20/0xb50 [ 186.571896][ T5050] ? __netif_receive_skb_core+0x1cff/0x6190 [ 186.578004][ T5050] ? __netif_receive_skb+0xca/0xa00 [ 186.583485][ T5050] ? netif_receive_skb+0x58/0x660 [ 186.588774][ T5050] ? tun_rx_batched+0x3ee/0x980 [ 186.593821][ T5050] ? tun_get_user+0x5566/0x69e0 [ 186.598935][ T5050] ? tun_chr_write_iter+0x3af/0x5d0 [ 186.604360][ T5050] ? vfs_write+0xb63/0x1520 [ 186.609025][ T5050] ? ksys_write+0x20f/0x4c0 [ 186.613702][ T5050] ? __x64_sys_write+0x93/0xe0 [ 186.618716][ T5050] ? x64_sys_call+0x3062/0x3b50 [ 186.623813][ T5050] ? do_syscall_64+0xcf/0x1e0 [ 186.628658][ T5050] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.635021][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.640546][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.645988][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.651423][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.657475][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.662870][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.668207][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.673594][ T5050] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 186.680133][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.685556][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.690968][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.696977][ T5050] __msan_warning+0x95/0x120 [ 186.701835][ T5050] hsr_get_node+0xab0/0xad0 [ 186.706640][ T5050] ? stack_depot_save_flags+0x66d/0x6e0 [ 186.712374][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.717816][ T5050] hsr_forward_skb+0x330/0x30e0 [ 186.722923][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.728958][ T5050] hsr_handle_frame+0xa20/0xb50 [ 186.734018][ T5050] ? __pfx_hsr_handle_frame+0x10/0x10 [ 186.739638][ T5050] __netif_receive_skb_core+0x1cff/0x6190 [ 186.745649][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.751669][ T5050] ? __netif_receive_skb+0x95/0xa00 [ 186.757130][ T5050] ? filter_irq_stacks+0x60/0x1a0 [ 186.762436][ T5050] ? stack_depot_save_flags+0x2c/0x6e0 [ 186.768150][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.773582][ T5050] __netif_receive_skb+0xca/0xa00 [ 186.778808][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.784144][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.790125][ T5050] ? __rcu_read_lock+0x46/0x70 [ 186.795159][ T5050] netif_receive_skb+0x58/0x660 [ 186.800289][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.806331][ T5050] ? tun_rx_batched+0x37c/0x980 [ 186.811490][ T5050] tun_rx_batched+0x3ee/0x980 [ 186.816464][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.821864][ T5050] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.827849][ T5050] tun_get_user+0x5566/0x69e0 [ 186.832813][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.838236][ T5050] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 186.844784][ T5050] ? ref_tracker_alloc+0x4a0/0x7e0 [ 186.850144][ T5050] ? kmsan_get_metadata+0x146/0x1d0 [ 186.855584][ T5050] tun_chr_write_iter+0x3af/0x5d0 [ 186.860900][ T5050] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 186.866702][ T5050] vfs_write+0xb63/0x1520 [ 186.871252][ T5050] ksys_write+0x20f/0x4c0 [ 186.875854][ T5050] __x64_sys_write+0x93/0xe0 [ 186.880708][ T5050] x64_sys_call+0x3062/0x3b50 [ 186.885651][ T5050] do_syscall_64+0xcf/0x1e0 [ 186.890378][ T5050] ? clear_bhb_loop+0x25/0x80 [ 186.895277][ T5050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.901456][ T5050] RIP: 0033:0x7f2509814570 [ 186.906018][ T5050] 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 51 db 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 [ 186.925836][ T5050] RSP: 002b:00007ffe229ef368 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 186.934453][ T5050] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2509814570 [ 186.942716][ T5050] RDX: 000000000000000e RSI: 00000000200001c0 RDI: 00000000000000c8 [ 186.950868][ T5050] RBP: 00007ffe229ef3a0 R08: 0000000000000000 R09: 0000000000000001 [ 186.959024][ T5050] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 186.967175][ T5050] R13: 00007f250986201d R14: 00007ffe229ef384 R15: 00007ffe229ef390 [ 186.975326][ T5050] [ 186.978760][ T5050] Kernel Offset: disabled [ 186.983167][ T5050] Rebooting in 86400 seconds..