./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2963228620 <...> Warning: Permanently added '10.128.0.171' (ED25519) to the list of known hosts. execve("./syz-executor2963228620", ["./syz-executor2963228620"], 0x7ffd3f364ce0 /* 10 vars */) = 0 brk(NULL) = 0x555555a4b000 brk(0x555555a4bd00) = 0x555555a4bd00 arch_prctl(ARCH_SET_FS, 0x555555a4b380) = 0 set_tid_address(0x555555a4b650) = 4985 set_robust_list(0x555555a4b660, 24) = 0 rseq(0x555555a4bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2963228620", 4096) = 28 getrandom("\xaa\xc2\xf4\x50\xf4\x4b\x17\xe0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a4bd00 brk(0x555555a6cd00) = 0x555555a6cd00 brk(0x555555a6d000) = 0x555555a6d000 mprotect(0x7fe3d0a7c000, 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=0x555555a4b650) = 4986 ./strace-static-x86_64: Process 4986 attached [pid 4986] set_robust_list(0x555555a4b660, 24) = 0 [pid 4986] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4986] setsid() = 1 [pid 4986] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4986] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4986] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4986] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4986] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4986] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4986] unshare(CLONE_NEWNS) = 0 [pid 4986] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4986] unshare(CLONE_NEWIPC) = 0 [pid 4986] unshare(CLONE_NEWCGROUP) = 0 [pid 4986] unshare(CLONE_NEWUTS) = 0 [pid 4986] unshare(CLONE_SYSVSEM) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "16777216", 8) = 8 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "536870912", 9) = 9 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "1024", 4) = 4 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "8192", 4) = 4 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "1024", 4) = 4 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "1024", 4) = 4 [pid 4986] close(3) = 0 [pid 4986] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4986] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4986] close(3) = 0 [pid 4986] getpid() = 1 [pid 4986] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 164.756204][ T5012] dump_stack_lvl+0x1bf/0x240 [ 164.761062][ T5012] dump_stack+0x1e/0x20 [ 164.765341][ T5012] panic+0x4d5/0xc70 [ 164.769405][ T5012] ? add_taint+0x108/0x1a0 [ 164.773983][ T5012] kmsan_report+0x2d0/0x2d0 [ 164.778672][ T5012] ? __msan_warning+0x96/0x110 [ 164.784097][ T5012] ? hsr_forward_skb+0x9bd/0x30f0 [ 164.789364][ T5012] ? hsr_dev_xmit+0x192/0x330 [ 164.794237][ T5012] ? dev_hard_start_xmit+0x247/0xa10 [ 164.799684][ T5012] ? __dev_queue_xmit+0x34eb/0x50f0 [ 164.805024][ T5012] ? packet_xmit+0x9c/0x6b0 [ 164.809642][ T5012] ? packet_sendmsg+0x8a5d/0x9de0 [ 164.814821][ T5012] ? __sys_sendto+0x781/0xa30 [ 164.819623][ T5012] ? __x64_sys_sendto+0x125/0x1c0 [ 164.824824][ T5012] ? do_syscall_64+0x41/0xc0 [ 164.829634][ T5012] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.835918][ T5012] ? __netdev_printk+0x50f/0x960 [ 164.841043][ T5012] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 164.847426][ T5012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 164.853367][ T5012] ? netdev_printk+0x189/0x1a0 [ 164.858302][ T5012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 164.864347][ T5012] ? hsr_drop_frame+0x1e0/0x1e0 [ 164.869345][ T5012] __msan_warning+0x96/0x110 [ 164.874069][ T5012] hsr_forward_skb+0x9bd/0x30f0 [ 164.879080][ T5012] hsr_dev_xmit+0x192/0x330 [ 164.883669][ T5012] ? is_hsr_master+0x90/0x90 [ 164.888361][ T5012] dev_hard_start_xmit+0x247/0xa10 [ 164.893624][ T5012] __dev_queue_xmit+0x34eb/0x50f0 [ 164.898802][ T5012] packet_xmit+0x9c/0x6b0 [ 164.903299][ T5012] packet_sendmsg+0x8a5d/0x9de0 [ 164.908274][ T5012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 164.914302][ T5012] ? aa_label_sk_perm+0x64c/0x790 [ 164.919508][ T5012] ? filter_irq_stacks+0x60/0x1a0 [ 164.924690][ T5012] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 164.931194][ T5012] ? packet_getsockopt+0xfb0/0xfb0 [ 164.936483][ T5012] __sys_sendto+0x781/0xa30 [ 164.941152][ T5012] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 164.947106][ T5012] __x64_sys_sendto+0x125/0x1c0 [ 164.952098][ T5012] do_syscall_64+0x41/0xc0 [ 164.956713][ T5012] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.962794][ T5012] RIP: 0033:0x7fe3d0a03aa9 [ 164.967279][ T5012] 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 [ 164.986991][ T5012] RSP: 002b:00007ffe21c7b9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 164.995519][ T5012] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3d0a03aa9 [ 165.003628][ T5012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 165.011723][ T5012] RBP: 00000000000f4240 R08: 0000000020000040 R09: 0000000000000014 [ 165.019824][ T5012] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe21c7ba40 [ 165.027930][ T5012] R13: 0000000000000001 R14: 00007ffe21c7ba40 R15: 0000000000000003 [ 165.036055][ T5012] [ 165.039365][ T5012] Kernel Offset: disabled [ 165.043753][ T5012] Rebooting in 86400 seconds..