./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4056862016 <...> Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts. execve("./syz-executor4056862016", ["./syz-executor4056862016"], 0x7ffd21d54b50 /* 10 vars */) = 0 brk(NULL) = 0x555570b76000 brk(0x555570b76d00) = 0x555570b76d00 arch_prctl(ARCH_SET_FS, 0x555570b76380) = 0 set_tid_address(0x555570b76650) = 5774 set_robust_list(0x555570b76660, 24) = 0 rseq(0x555570b76ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4056862016", 4096) = 28 getrandom("\x36\xd7\xdb\x28\x7a\xcd\xb1\xfe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555570b76d00 brk(0x555570b97d00) = 0x555570b97d00 brk(0x555570b98000) = 0x555570b98000 mprotect(0x7f2047e26000, 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 5775 attached , child_tidptr=0x555570b76650) = 5775 [pid 5775] set_robust_list(0x555570b76660, 24) = 0 [pid 5775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5775] getppid() = 0 [pid 5775] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5775] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5775] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5775] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5775] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5775] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5775] unshare(CLONE_NEWNS) = 0 [pid 5775] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5775] unshare(CLONE_NEWIPC) = 0 [pid 5775] unshare(CLONE_NEWCGROUP) = 0 [pid 5775] unshare(CLONE_NEWUTS) = 0 [pid 5775] unshare(CLONE_SYSVSEM) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "16777216", 8) = 8 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "536870912", 9) = 9 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "1024", 4) = 4 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "8192", 4) = 4 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "1024", 4) = 4 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "1024", 4) = 4 [pid 5775] close(3) = 0 [pid 5775] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5775] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5775] close(3) = 0 [pid 5775] getpid() = 1 [pid 5775] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 242.790478][ T5802] dump_stack_lvl+0x216/0x2d0 [ 242.795284][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 242.801242][ T5802] dump_stack+0x1e/0x24 [ 242.805513][ T5802] panic+0x4e2/0xcf0 [ 242.809559][ T5802] ? kmsan_get_metadata+0x61/0x1c0 [ 242.814860][ T5802] kmsan_report+0x2c7/0x2d0 [ 242.819588][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 242.824959][ T5802] ? __msan_warning+0x95/0x120 [ 242.829884][ T5802] ? validate_xmit_skb+0xded/0x17b0 [ 242.835280][ T5802] ? validate_xmit_skb_list+0xf4/0x2f0 [ 242.840869][ T5802] ? sch_direct_xmit+0xd0/0xd40 [ 242.845935][ T5802] ? __dev_queue_xmit+0x30b9/0x57d0 [ 242.851268][ T5802] ? packet_xmit+0x9c/0x6c0 [ 242.855901][ T5802] ? packet_sendmsg+0x93e0/0xa7e0 [ 242.861046][ T5802] ? __sock_sendmsg+0x30f/0x380 [ 242.866085][ T5802] ? ____sys_sendmsg+0x877/0xb60 [ 242.871131][ T5802] ? ___sys_sendmsg+0x28d/0x3c0 [ 242.876114][ T5802] ? __x64_sys_sendmsg+0x212/0x3c0 [ 242.881499][ T5802] ? x64_sys_call+0x2ed6/0x3c30 [ 242.886493][ T5802] ? do_syscall_64+0xcd/0x1e0 [ 242.891422][ T5802] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 242.897664][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 242.903013][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 242.909095][ T5802] ? skb_network_protocol+0x955/0xa10 [ 242.914639][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 242.919980][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 242.925942][ T5802] ? netif_skb_features+0x117c/0x13f0 [ 242.931451][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 242.936789][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 242.942868][ T5802] __msan_warning+0x95/0x120 [ 242.947585][ T5802] validate_xmit_skb+0xded/0x17b0 [ 242.952762][ T5802] validate_xmit_skb_list+0xf4/0x2f0 [ 242.958237][ T5802] sch_direct_xmit+0xd0/0xd40 [ 242.963130][ T5802] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 242.969748][ T5802] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 242.976065][ T5802] __dev_queue_xmit+0x30b9/0x57d0 [ 242.981244][ T5802] ? packet_parse_headers+0xa98/0xe40 [ 242.986842][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 242.992209][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 242.998254][ T5802] ? __dev_queue_xmit+0x3d6/0x57d0 [ 243.003599][ T5802] packet_xmit+0x9c/0x6c0 [ 243.008152][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.013502][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 243.019465][ T5802] packet_sendmsg+0x93e0/0xa7e0 [ 243.024468][ T5802] ? kernel_text_address+0x129/0x1b0 [ 243.029905][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.035245][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 243.041203][ T5802] ? aa_label_sk_perm+0x677/0x7b0 [ 243.046400][ T5802] ? filter_irq_stacks+0x60/0x1a0 [ 243.051580][ T5802] ? stack_depot_save_flags+0x2c/0x750 [ 243.057227][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.062621][ T5802] ? __pfx_packet_sendmsg+0x10/0x10 [ 243.068016][ T5802] ? __pfx_packet_sendmsg+0x10/0x10 [ 243.073315][ T5802] __sock_sendmsg+0x30f/0x380 [ 243.078154][ T5802] ____sys_sendmsg+0x877/0xb60 [ 243.083083][ T5802] ___sys_sendmsg+0x28d/0x3c0 [ 243.087907][ T5802] ? filter_irq_stacks+0x60/0x1a0 [ 243.093079][ T5802] ? stack_depot_save_flags+0x2c/0x750 [ 243.098724][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.104137][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 243.110141][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.115572][ T5802] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 243.121593][ T5802] __x64_sys_sendmsg+0x212/0x3c0 [ 243.126703][ T5802] ? kmsan_get_metadata+0x13e/0x1c0 [ 243.132118][ T5802] x64_sys_call+0x2ed6/0x3c30 [ 243.136963][ T5802] do_syscall_64+0xcd/0x1e0 [ 243.141627][ T5802] ? clear_bhb_loop+0x25/0x80 [ 243.146455][ T5802] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 243.152496][ T5802] RIP: 0033:0x7f2047dadfe9 [ 243.156989][ T5802] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 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 [ 243.176724][ T5802] RSP: 002b:00007fffbd2742d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 243.185299][ T5802] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2047dadfe9 [ 243.193432][ T5802] RDX: 0000000020040051 RSI: 0000000020002ac0 RDI: 0000000000000003 [ 243.201510][ T5802] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 243.211007][ T5802] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 243.219152][ T5802] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 243.227460][ T5802] [ 243.230959][ T5802] Kernel Offset: disabled [ 243.235550][ T5802] Rebooting in 86400 seconds..