./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2254124477 <...> Warning: Permanently added '10.128.1.108' (ECDSA) to the list of known hosts. execve("./syz-executor2254124477", ["./syz-executor2254124477"], 0x7ffd58d0b1d0 /* 10 vars */) = 0 brk(NULL) = 0x555556077000 brk(0x555556077c40) = 0x555556077c40 arch_prctl(ARCH_SET_FS, 0x555556077300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2254124477", 4096) = 28 brk(0x555556098c40) = 0x555556098c40 brk(0x555556099000) = 0x555556099000 mprotect(0x7f7bc07a1000, 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=0x5555560775d0) = 4956 ./strace-static-x86_64: Process 4956 attached [pid 4956] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4956] setsid() = 1 [pid 4956] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4956] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4956] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4956] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4956] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4956] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4956] unshare(CLONE_NEWNS) = 0 [pid 4956] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4956] unshare(CLONE_NEWIPC) = 0 [pid 4956] unshare(CLONE_NEWCGROUP) = 0 [pid 4956] unshare(CLONE_NEWUTS) = 0 [pid 4956] unshare(CLONE_SYSVSEM) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "16777216", 8) = 8 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "536870912", 9) = 9 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "1024", 4) = 4 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "8192", 4) = 4 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "1024", 4) = 4 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "1024", 4) = 4 [pid 4956] close(3) = 0 [pid 4956] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4956] close(3) = 0 [pid 4956] getpid() = 1 [pid 4956] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 153.760098][ T4983] dump_stack_lvl+0x1bf/0x240 [ 153.764894][ T4983] dump_stack+0x1e/0x20 [ 153.769226][ T4983] panic+0x4d5/0xc70 [ 153.773318][ T4983] ? add_taint+0x108/0x1a0 [ 153.777868][ T4983] kmsan_report+0x2d0/0x2d0 [ 153.782516][ T4983] ? __msan_warning+0x96/0x110 [ 153.787465][ T4983] ? hsr_forward_skb+0x9bd/0x30f0 [ 153.792678][ T4983] ? hsr_dev_xmit+0x192/0x330 [ 153.797512][ T4983] ? dev_hard_start_xmit+0x247/0xa10 [ 153.802902][ T4983] ? __dev_queue_xmit+0x34eb/0x50f0 [ 153.808243][ T4983] ? packet_xmit+0x9c/0x6b0 [ 153.812887][ T4983] ? packet_sendmsg+0x8a5d/0x9de0 [ 153.818018][ T4983] ? __sys_sendto+0x76c/0xa10 [ 153.822850][ T4983] ? __x64_sys_sendto+0x125/0x1c0 [ 153.827986][ T4983] ? do_syscall_64+0x41/0xc0 [ 153.832695][ T4983] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 153.838944][ T4983] ? __netdev_printk+0x50f/0x960 [ 153.844042][ T4983] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 153.850483][ T4983] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 153.856487][ T4983] ? netdev_printk+0x189/0x1a0 [ 153.861407][ T4983] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 153.867419][ T4983] ? hsr_drop_frame+0x1e0/0x1e0 [ 153.872441][ T4983] __msan_warning+0x96/0x110 [ 153.877153][ T4983] hsr_forward_skb+0x9bd/0x30f0 [ 153.882220][ T4983] hsr_dev_xmit+0x192/0x330 [ 153.886916][ T4983] ? is_hsr_master+0x90/0x90 [ 153.891675][ T4983] dev_hard_start_xmit+0x247/0xa10 [ 153.896915][ T4983] __dev_queue_xmit+0x34eb/0x50f0 [ 153.902125][ T4983] packet_xmit+0x9c/0x6b0 [ 153.906612][ T4983] packet_sendmsg+0x8a5d/0x9de0 [ 153.911570][ T4983] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 153.917575][ T4983] ? aa_label_sk_perm+0x64c/0x790 [ 153.922764][ T4983] ? filter_irq_stacks+0x60/0x1a0 [ 153.927952][ T4983] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 153.934385][ T4983] ? packet_getsockopt+0xfb0/0xfb0 [ 153.939650][ T4983] __sys_sendto+0x76c/0xa10 [ 153.944325][ T4983] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 153.950408][ T4983] __x64_sys_sendto+0x125/0x1c0 [ 153.955412][ T4983] do_syscall_64+0x41/0xc0 [ 153.959992][ T4983] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 153.965989][ T4983] RIP: 0033:0x7f7bc072db69 [ 153.970483][ T4983] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 153.990243][ T4983] RSP: 002b:00007fffdea84db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 153.998770][ T4983] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7bc072db69 [ 154.006875][ T4983] RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000003 [ 154.014956][ T4983] RBP: 0000000000000000 R08: 0000000020000100 R09: 0000000000000014 [ 154.022994][ T4983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdea84de0 [ 154.031049][ T4983] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 154.039162][ T4983] [ 154.042457][ T4983] Kernel Offset: disabled [ 154.046834][ T4983] Rebooting in 86400 seconds..