./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor496340148 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("./syz-executor496340148", ["./syz-executor496340148"], 0x7fffc4816040 /* 10 vars */) = 0 brk(NULL) = 0x555591f68000 brk(0x555591f68d00) = 0x555591f68d00 arch_prctl(ARCH_SET_FS, 0x555591f68380) = 0 set_tid_address(0x555591f68650) = 5016 set_robust_list(0x555591f68660, 24) = 0 rseq(0x555591f68ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor496340148", 4096) = 27 getrandom("\xa0\xa3\xeb\x48\xac\x10\x6f\xb3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555591f68d00 brk(0x555591f89d00) = 0x555591f89d00 brk(0x555591f8a000) = 0x555591f8a000 mprotect(0x7fa09d5c6000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591f68650) = 5017 ./strace-static-x86_64: Process 5017 attached [pid 5017] set_robust_list(0x555591f68660, 24) = 0 [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5017] setpgid(0, 0) = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5017] write(3, "1000", 4) = 4 [pid 5017] close(3) = 0 [pid 5017] socket(AF_IEEE802154, SOCK_DGRAM, 0) = 3 [pid 5017] setsockopt(3, SOL_IP, IP_TOS, [2], 4) = 0 [pid 5017] setsockopt(3, SOL_IP, IP_TOS, [0], 4) = 0 [ 160.992722][ T5017] ===================================================== [ 161.000098][ T5017] BUG: KMSAN: uninit-value in ieee802154_hdr_push+0x971/0xb90 [ 161.007816][ T5017] ieee802154_hdr_push+0x971/0xb90 [ 161.013142][ T5017] ieee802154_header_create+0x9c0/0xc00 [ 161.019014][ T5017] dgram_sendmsg+0xd1e/0x1500 [ 161.024009][ T5017] ieee802154_sock_sendmsg+0x96/0xd0 [ 161.029447][ T5017] __sock_sendmsg+0x30f/0x380 [ 161.034517][ T5017] ____sys_sendmsg+0x877/0xb60 [ 161.039461][ T5017] ___sys_sendmsg+0x28d/0x3c0 [ 161.044393][ T5017] __x64_sys_sendmsg+0x307/0x4a0 [ 161.049500][ T5017] do_syscall_64+0xd5/0x1f0 [ 161.054237][ T5017] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.060325][ T5017] [ 161.062753][ T5017] Local variable hdr created at: [ 161.068603][ T5017] ieee802154_header_create+0x4e/0xc00 [ 161.074334][ T5017] dgram_sendmsg+0xd1e/0x1500 [ 161.079409][ T5017] [ 161.081837][ T5017] CPU: 0 PID: 5017 Comm: syz-executor496 Not tainted 6.8.0-syzkaller-13213-g70293240c5ce #0 [ 161.092221][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 161.102573][ T5017] ===================================================== [ 161.109760][ T5017] Disabling lock debugging due to kernel taint [ 161.116123][ T5017] Kernel panic - not syncing: kmsan.panic set ... [ 161.122648][ T5017] CPU: 0 PID: 5017 Comm: syz-executor496 Tainted: G B 6.8.0-syzkaller-13213-g70293240c5ce #0 [ 161.134318][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 161.144501][ T5017] Call Trace: [ 161.148227][ T5017] [ 161.151243][ T5017] dump_stack_lvl+0x216/0x2d0 [ 161.156136][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.162205][ T5017] dump_stack+0x1e/0x30 [ 161.166541][ T5017] panic+0x4e2/0xcd0 [ 161.171749][ T5017] ? kmsan_get_metadata+0x51/0x1d0 [ 161.178765][ T5017] kmsan_report+0x2d5/0x2e0 [ 161.183435][ T5017] ? kmsan_internal_chain_origin+0xb0/0xd0 [ 161.189421][ T5017] ? __msan_warning+0x95/0x120 [ 161.194437][ T5017] ? ieee802154_hdr_push+0x971/0xb90 [ 161.199934][ T5017] ? ieee802154_header_create+0x9c0/0xc00 [ 161.205833][ T5017] ? dgram_sendmsg+0xd1e/0x1500 [ 161.210940][ T5017] ? ieee802154_sock_sendmsg+0x96/0xd0 [ 161.216627][ T5017] ? __sock_sendmsg+0x30f/0x380 [ 161.221665][ T5017] ? ____sys_sendmsg+0x877/0xb60 [ 161.226761][ T5017] ? ___sys_sendmsg+0x28d/0x3c0 [ 161.231821][ T5017] ? __x64_sys_sendmsg+0x307/0x4a0 [ 161.237140][ T5017] ? do_syscall_64+0xd5/0x1f0 [ 161.241970][ T5017] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.248208][ T5017] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.254489][ T5017] ? __msan_memcpy+0x108/0x1c0 [ 161.259480][ T5017] ? ieee802154_header_create+0x9a3/0xc00 [ 161.265425][ T5017] ? dgram_sendmsg+0xd1e/0x1500 [ 161.270485][ T5017] ? ieee802154_sock_sendmsg+0x96/0xd0 [ 161.276154][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.281525][ T5017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 161.287917][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.293253][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.299408][ T5017] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 161.305394][ T5017] ? stack_depot_save_flags+0x66d/0x6e0 [ 161.311134][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.316481][ T5017] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 161.322979][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.328377][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.334424][ T5017] __msan_warning+0x95/0x120 [ 161.339237][ T5017] ieee802154_hdr_push+0x971/0xb90 [ 161.344598][ T5017] ? __msan_memcpy+0x108/0x1c0 [ 161.349621][ T5017] ieee802154_header_create+0x9c0/0xc00 [ 161.355430][ T5017] ? __pfx_ieee802154_header_create+0x10/0x10 [ 161.361795][ T5017] dgram_sendmsg+0xd1e/0x1500 [ 161.366646][ T5017] ? __pfx_dgram_sendmsg+0x10/0x10 [ 161.371919][ T5017] ieee802154_sock_sendmsg+0x96/0xd0 [ 161.377378][ T5017] ? __pfx_ieee802154_sock_sendmsg+0x10/0x10 [ 161.383590][ T5017] ? __pfx_ieee802154_sock_sendmsg+0x10/0x10 [ 161.389789][ T5017] __sock_sendmsg+0x30f/0x380 [ 161.394607][ T5017] ____sys_sendmsg+0x877/0xb60 [ 161.399514][ T5017] ___sys_sendmsg+0x28d/0x3c0 [ 161.404311][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.409679][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.415046][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.421140][ T5017] ? kmsan_get_metadata+0x146/0x1d0 [ 161.426522][ T5017] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 161.432616][ T5017] __x64_sys_sendmsg+0x307/0x4a0 [ 161.437799][ T5017] do_syscall_64+0xd5/0x1f0 [ 161.442443][ T5017] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.448501][ T5017] RIP: 0033:0x7fa09d553ab9 [ 161.453287][ T5017] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 161.474505][ T5017] RSP: 002b:00007ffe5a3a52f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.483212][ T5017] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa09d553ab9 [ 161.491335][ T5017] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 161.499423][ T5017] RBP: 00007fa09d5c65f0 R08: 0000000000000006 R09: 0000000000000006 [ 161.507589][ T5017] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 [ 161.516517][ T5017] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 161.524697][ T5017] [ 161.529164][ T5017] Kernel Offset: disabled [ 161.533664][ T5017] Rebooting in 86400 seconds..