./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3341301201 <...> Warning: Permanently added '10.128.10.42' (ED25519) to the list of known hosts. execve("./syz-executor3341301201", ["./syz-executor3341301201"], 0x7ffe733efda0 /* 10 vars */) = 0 brk(NULL) = 0x555557552000 brk(0x555557552d00) = 0x555557552d00 arch_prctl(ARCH_SET_FS, 0x555557552380) = 0 set_tid_address(0x555557552650) = 5005 set_robust_list(0x555557552660, 24) = 0 rseq(0x555557552ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3341301201", 4096) = 28 getrandom("\x40\x4c\xa4\x15\xa5\x5b\xf6\x15", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557552d00 brk(0x555557573d00) = 0x555557573d00 brk(0x555557574000) = 0x555557574000 mprotect(0x7fae9f77e000, 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=0x555557552650) = 5006 ./strace-static-x86_64: Process 5006 attached [pid 5006] set_robust_list(0x555557552660, 24) = 0 [pid 5006] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5006] setsid() = 1 [pid 5006] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5006] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5006] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5006] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5006] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5006] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5006] unshare(CLONE_NEWNS) = 0 [pid 5006] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5006] unshare(CLONE_NEWIPC) = 0 [pid 5006] unshare(CLONE_NEWCGROUP) = 0 [pid 5006] unshare(CLONE_NEWUTS) = 0 [pid 5006] unshare(CLONE_SYSVSEM) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "16777216", 8) = 8 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "536870912", 9) = 9 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1024", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "8192", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1024", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1024", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5006] close(3) = 0 [pid 5006] getpid() = 1 [pid 5006] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 151.088068][ T5033] dump_stack_lvl+0x1bf/0x240 [ 151.093037][ T5033] dump_stack+0x1e/0x20 [ 151.097370][ T5033] panic+0x4de/0xc90 [ 151.101413][ T5033] ? add_taint+0x108/0x1a0 [ 151.106003][ T5033] kmsan_report+0x2d0/0x2d0 [ 151.110690][ T5033] ? __msan_warning+0x96/0x110 [ 151.115627][ T5033] ? hsr_get_node+0xa2e/0xa40 [ 151.120411][ T5033] ? hsr_forward_skb+0xe12/0x30e0 [ 151.125581][ T5033] ? hsr_dev_xmit+0x1a1/0x270 [ 151.130444][ T5033] ? dev_hard_start_xmit+0x247/0xa10 [ 151.135847][ T5033] ? __dev_queue_xmit+0x33b8/0x5130 [ 151.141216][ T5033] ? packet_xmit+0x9c/0x6b0 [ 151.145821][ T5033] ? packet_sendmsg+0x8b1d/0x9f30 [ 151.150954][ T5033] ? __sys_sendto+0x735/0xa10 [ 151.155830][ T5033] ? __x64_sys_sendto+0x125/0x1c0 [ 151.161035][ T5033] ? do_syscall_64+0x6d/0x140 [ 151.165822][ T5033] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 151.172035][ T5033] ? kmsan_internal_poison_memory+0x82/0xa0 [ 151.178086][ T5033] ? kmsan_internal_poison_memory+0x49/0xa0 [ 151.184180][ T5033] ? kmsan_slab_alloc+0xdd/0x150 [ 151.189312][ T5033] ? slab_post_alloc_hook+0x129/0xa70 [ 151.194838][ T5033] ? kmem_cache_alloc_node+0x5e9/0xb10 [ 151.200541][ T5033] ? kmalloc_reserve+0x13d/0x4a0 [ 151.205607][ T5033] ? __alloc_skb+0x318/0x740 [ 151.210398][ T5033] ? alloc_skb_with_frags+0xc8/0xbd0 [ 151.215839][ T5033] ? sock_alloc_send_pskb+0xa80/0xbf0 [ 151.221333][ T5033] ? packet_sendmsg+0x70e8/0x9f30 [ 151.226546][ T5033] ? __sys_sendto+0x735/0xa10 [ 151.231359][ T5033] ? __x64_sys_sendto+0x125/0x1c0 [ 151.236582][ T5033] ? do_syscall_64+0x6d/0x140 [ 151.241426][ T5033] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 151.247638][ T5033] ? ___slab_alloc+0x6b6/0x33d0 [ 151.252612][ T5033] ? filter_irq_stacks+0x60/0x1a0 [ 151.257774][ T5033] ? hsr_forward_skb+0x43/0x30e0 [ 151.262917][ T5033] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 151.268922][ T5033] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 151.274956][ T5033] __msan_warning+0x96/0x110 [ 151.279749][ T5033] hsr_get_node+0xa2e/0xa40 [ 151.284471][ T5033] hsr_forward_skb+0xe12/0x30e0 [ 151.289510][ T5033] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 151.295704][ T5033] hsr_dev_xmit+0x1a1/0x270 [ 151.300319][ T5033] ? is_hsr_master+0x90/0x90 [ 151.305014][ T5033] dev_hard_start_xmit+0x247/0xa10 [ 151.310273][ T5033] __dev_queue_xmit+0x33b8/0x5130 [ 151.315455][ T5033] ? __dev_queue_xmit+0x34b/0x5130 [ 151.320685][ T5033] packet_xmit+0x9c/0x6b0 [ 151.325177][ T5033] packet_sendmsg+0x8b1d/0x9f30 [ 151.330215][ T5033] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 151.336239][ T5033] ? aa_label_sk_perm+0x644/0x780 [ 151.341403][ T5033] ? filter_irq_stacks+0x60/0x1a0 [ 151.346539][ T5033] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 151.352959][ T5033] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 151.358963][ T5033] ? packet_getsockopt+0xfb0/0xfb0 [ 151.364237][ T5033] __sys_sendto+0x735/0xa10 [ 151.368928][ T5033] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 151.374952][ T5033] __x64_sys_sendto+0x125/0x1c0 [ 151.379968][ T5033] do_syscall_64+0x6d/0x140 [ 151.384671][ T5033] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 151.390773][ T5033] RIP: 0033:0x7fae9f705aa9 [ 151.395318][ T5033] 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 [ 151.415120][ T5033] RSP: 002b:00007ffce4e06978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 151.423705][ T5033] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fae9f705aa9 [ 151.431801][ T5033] RDX: 000000000000000e RSI: 00000000200002c0 RDI: 0000000000000003 [ 151.439867][ T5033] RBP: 00000000000f4240 R08: 00000000200000c0 R09: 0000000000000014 [ 151.447978][ T5033] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce4e069e0 [ 151.456077][ T5033] R13: 0000000000000001 R14: 00007ffce4e069e0 R15: 0000000000000003 [ 151.464188][ T5033] [ 151.467570][ T5033] Kernel Offset: disabled [ 151.471943][ T5033] Rebooting in 86400 seconds..