./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2120600414
<...>
Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts.
execve("./syz-executor2120600414", ["./syz-executor2120600414"], 0x7ffc9866eb40 /* 10 vars */) = 0
brk(NULL) = 0x55557cb71000
brk(0x55557cb71d00) = 0x55557cb71d00
arch_prctl(ARCH_SET_FS, 0x55557cb71380) = 0
set_tid_address(0x55557cb71650) = 4998
set_robust_list(0x55557cb71660, 24) = 0
rseq(0x55557cb71ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2120600414", 4096) = 28
getrandom("\x97\x0f\x14\x09\xc1\x8f\x86\xd1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557cb71d00
brk(0x55557cb92d00) = 0x55557cb92d00
brk(0x55557cb93000) = 0x55557cb93000
mprotect(0x7fed46234000, 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./strace-static-x86_64: Process 4999 attached
, child_tidptr=0x55557cb71650) = 4999
[pid 4999] set_robust_list(0x55557cb71660, 24) = 0
[pid 4999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 4999] setpgid(0, 0) = 0
[pid 4999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 4999] write(3, "1000", 4) = 4
[pid 4999] close(3) = 0
[pid 4999] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3
[pid 4999] bind(3, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0
[pid 4999] listen(3, 0) = 0
[pid 4999] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 4
[pid 4999] sendto(4, NULL, 230, MSG_DONTROUTE|MSG_BATCH|MSG_NO_SHARED_FRAGS|MSG_FASTOPEN, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::ffff:0.0.0.0", &sin6_addr), sin6_scope_id=0}, 28) = -1 EFAULT (Bad address)
[ 181.108932][ C1] TCP: request_sock_TCP: Possible SYN flooding on port [::]:20002. Sending cookies.
[ 181.124127][ C0] =====================================================
[ 181.131480][ C0] BUG: KMSAN: uninit-value in cookie_v4_check+0x22b7/0x29e0
[ 181.139036][ C0] cookie_v4_check+0x22b7/0x29e0
[ 181.144285][ C0] tcp_v4_do_rcv+0xb17/0x10b0
[ 181.149201][ C0] tcp_v4_rcv+0x4ce4/0x5420
[ 181.154044][ C0] ip_protocol_deliver_rcu+0x2a3/0x13d0
[ 181.159873][ C0] ip_local_deliver_finish+0x332/0x500
[ 181.165726][ C0] ip_local_deliver+0x21f/0x490
[ 181.170836][ C0] ip_rcv_finish+0x4a2/0x520
[ 181.175819][ C0] ip_rcv+0xcd/0x380
[ 181.179937][ C0] __netif_receive_skb+0x319/0x9e0
[ 181.185289][ C0] process_backlog+0x480/0x8b0
[ 181.190290][ C0] __napi_poll+0xe7/0x980
[ 181.194973][ C0] net_rx_action+0x89d/0x1820
[ 181.199892][ C0] __do_softirq+0x1c0/0x7d7
[ 181.204768][ C0] do_softirq+0x9a/0x100
[ 181.209259][ C0] __local_bh_enable_ip+0x9f/0xb0
[ 181.214689][ C0] __dev_queue_xmit+0x2776/0x52c0
[ 181.219947][ C0] ip_finish_output2+0x187a/0x1b70
[ 181.225310][ C0] __ip_finish_output+0x287/0x810
[ 181.230538][ C0] ip_finish_output+0x4b/0x550
[ 181.235609][ C0] ip_output+0x15f/0x3f0
[ 181.240142][ C0] __ip_queue_xmit+0x1e93/0x2030
[ 181.245454][ C0] ip_queue_xmit+0x60/0x80
[ 181.250086][ C0] __tcp_transmit_skb+0x3c70/0x4890
[ 181.255714][ C0] tcp_write_xmit+0x3ee1/0x8900
[ 181.260818][ C0] tcp_send_fin+0xa90/0x12e0
[ 181.265777][ C0] tcp_shutdown+0x198/0x1f0
[ 181.270514][ C0] inet_shutdown+0x33f/0x5b0
[ 181.275471][ C0] __se_sys_shutdown+0x2a4/0x440
[ 181.280649][ C0] __x64_sys_shutdown+0x6c/0xa0
[ 181.285871][ C0] do_syscall_64+0xd5/0x1f0
[ 181.290626][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 181.296807][ C0]
[ 181.299258][ C0] Uninit was stored to memory at:
[ 181.304698][ C0] inet_reqsk_alloc+0x651/0x7a0
[ 181.309776][ C0] cookie_tcp_reqsk_alloc+0xd4/0x900
[ 181.315742][ C0] cookie_v4_check+0x289f/0x29e0
[ 181.320916][ C0] tcp_v4_do_rcv+0xb17/0x10b0
[ 181.325927][ C0] tcp_v4_rcv+0x4ce4/0x5420
[ 181.330664][ C0] ip_protocol_deliver_rcu+0x2a3/0x13d0
[ 181.336478][ C0] ip_local_deliver_finish+0x332/0x500
[ 181.342449][ C0] ip_local_deliver+0x21f/0x490
[ 181.347459][ C0] ip_rcv_finish+0x4a2/0x520
[ 181.352321][ C0] ip_rcv+0xcd/0x380
[ 181.356433][ C0] __netif_receive_skb+0x319/0x9e0
[ 181.361714][ C0] process_backlog+0x480/0x8b0
[ 181.366824][ C0] __napi_poll+0xe7/0x980
[ 181.371378][ C0] net_rx_action+0x89d/0x1820
[ 181.376398][ C0] __do_softirq+0x1c0/0x7d7
[ 181.381135][ C0]
[ 181.383739][ C0] Uninit was created at:
[ 181.388279][ C0] __alloc_pages+0x9a7/0xe00
[ 181.393267][ C0] new_slab+0x2de/0x1400
[ 181.397822][ C0] ___slab_alloc+0x1184/0x33d0
[ 181.402873][ C0] kmem_cache_alloc+0x6d3/0xbe0
[ 181.407967][ C0] inet_reqsk_alloc+0x66/0x7a0
[ 181.413079][ C0] tcp_conn_request+0x484/0x44e0
[ 181.418270][ C0] tcp_v4_conn_request+0x16f/0x1d0
[ 181.423739][ C0] tcp_rcv_state_process+0x2e5/0x4bb0
[ 181.429370][ C0] tcp_v4_do_rcv+0xbfd/0x10b0
[ 181.434502][ C0] tcp_v4_rcv+0x4ce4/0x5420
[ 181.439214][ C0] ip_protocol_deliver_rcu+0x2a3/0x13d0
[ 181.445087][ C0] ip_local_deliver_finish+0x332/0x500
[ 181.450797][ C0] ip_local_deliver+0x21f/0x490
[ 181.455911][ C0] ip_sublist_rcv+0x15f3/0x17f0
[ 181.461033][ C0] ip_list_rcv+0x9ef/0xa40
[ 181.465845][ C0] __netif_receive_skb_list_core+0x15c5/0x1670
[ 181.472336][ C0] netif_receive_skb_list_internal+0x106c/0x16f0
[ 181.478889][ C0] napi_complete_done+0x425/0x880
[ 181.484265][ C0] virtnet_poll+0x149d/0x2240
[ 181.489173][ C0] __napi_poll+0xe7/0x980
[ 181.493777][ C0] net_rx_action+0x89d/0x1820
[ 181.498698][ C0] __do_softirq+0x1c0/0x7d7
[ 181.503636][ C0]
[ 181.506088][ C0] CPU: 0 PID: 4999 Comm: syz-executor212 Not tainted 6.8.0-syzkaller-05562-g61387b8dcf1d #0
[ 181.516437][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 181.526854][ C0] =====================================================
[ 181.534059][ C0] Disabling lock debugging due to kernel taint
[ 181.540341][ C0] Kernel panic - not syncing: kmsan.panic set ...
[ 181.546879][ C0] CPU: 0 PID: 4999 Comm: syz-executor212 Tainted: G B 6.8.0-syzkaller-05562-g61387b8dcf1d #0
[ 181.558646][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 181.568917][ C0] Call Trace:
[ 181.572324][ C0]
[ 181.575314][ C0] dump_stack_lvl+0x216/0x2d0
[ 181.580266][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 181.586333][ C0] dump_stack+0x1e/0x30
[ 181.590681][ C0] panic+0x4e2/0xcd0
[ 181.594834][ C0] ? kmsan_get_metadata+0x61/0x1d0
[ 181.600265][ C0] kmsan_report+0x2d5/0x2e0
[ 181.605034][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.610506][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 181.616586][ C0] ? __msan_warning+0x95/0x120
[ 181.621538][ C0] ? cookie_v4_check+0x22b7/0x29e0
[ 181.626799][ C0] ? tcp_v4_do_rcv+0xb17/0x10b0
[ 181.631797][ C0] ? tcp_v4_rcv+0x4ce4/0x5420
[ 181.636663][ C0] ? ip_protocol_deliver_rcu+0x2a3/0x13d0
[ 181.642577][ C0] ? ip_local_deliver_finish+0x332/0x500
[ 181.648510][ C0] ? ip_local_deliver+0x21f/0x490
[ 181.653802][ C0] ? ip_rcv_finish+0x4a2/0x520
[ 181.658833][ C0] ? ip_rcv+0xcd/0x380
[ 181.663230][ C0] ? __netif_receive_skb+0x319/0x9e0
[ 181.668758][ C0] ? process_backlog+0x480/0x8b0
[ 181.673951][ C0] ? __napi_poll+0xe7/0x980
[ 181.678860][ C0] ? net_rx_action+0x89d/0x1820
[ 181.683966][ C0] ? __do_softirq+0x1c0/0x7d7
[ 181.688888][ C0] ? do_softirq+0x9a/0x100
[ 181.693567][ C0] ? __local_bh_enable_ip+0x9f/0xb0
[ 181.699032][ C0] ? __dev_queue_xmit+0x2776/0x52c0
[ 181.704432][ C0] ? ip_finish_output2+0x187a/0x1b70
[ 181.709869][ C0] ? __ip_finish_output+0x287/0x810
[ 181.715250][ C0] ? ip_finish_output+0x4b/0x550
[ 181.720435][ C0] ? ip_output+0x15f/0x3f0
[ 181.725070][ C0] ? __ip_queue_xmit+0x1e93/0x2030
[ 181.730362][ C0] ? ip_queue_xmit+0x60/0x80
[ 181.735137][ C0] ? __tcp_transmit_skb+0x3c70/0x4890
[ 181.740726][ C0] ? tcp_write_xmit+0x3ee1/0x8900
[ 181.746026][ C0] ? tcp_send_fin+0xa90/0x12e0
[ 181.751163][ C0] ? tcp_shutdown+0x198/0x1f0
[ 181.756103][ C0] ? inet_shutdown+0x33f/0x5b0
[ 181.761117][ C0] ? __se_sys_shutdown+0x2a4/0x440
[ 181.766475][ C0] ? __x64_sys_shutdown+0x6c/0xa0
[ 181.771916][ C0] ? do_syscall_64+0xd5/0x1f0
[ 181.776821][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 181.783116][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.788586][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 181.794681][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.800152][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 181.806190][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.811585][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 181.817690][ C0] __msan_warning+0x95/0x120
[ 181.822547][ C0] cookie_v4_check+0x22b7/0x29e0
[ 181.827785][ C0] tcp_v4_do_rcv+0xb17/0x10b0
[ 181.832721][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.838208][ C0] tcp_v4_rcv+0x4ce4/0x5420
[ 181.843010][ C0] ? __se_sys_kcmp+0x1040/0x1740
[ 181.848260][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 181.853370][ C0] ip_protocol_deliver_rcu+0x2a3/0x13d0
[ 181.859257][ C0] ip_local_deliver_finish+0x332/0x500
[ 181.864925][ C0] ip_local_deliver+0x21f/0x490
[ 181.869967][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 181.876176][ C0] ? __pfx_ip_local_deliver+0x10/0x10
[ 181.881818][ C0] ip_rcv_finish+0x4a2/0x520
[ 181.886620][ C0] ip_rcv+0xcd/0x380
[ 181.890735][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 181.896127][ C0] ? ip6_rcv_finish+0x8f0/0x970
[ 181.901233][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 181.906009][ C0] __netif_receive_skb+0x319/0x9e0
[ 181.911370][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.916760][ C0] process_backlog+0x480/0x8b0
[ 181.921688][ C0] ? __pfx_process_backlog+0x10/0x10
[ 181.927149][ C0] __napi_poll+0xe7/0x980
[ 181.931621][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.936997][ C0] net_rx_action+0x89d/0x1820
[ 181.941823][ C0] ? sched_clock_cpu+0x55/0x870
[ 181.946845][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 181.952116][ C0] __do_softirq+0x1c0/0x7d7
[ 181.956803][ C0] do_softirq+0x9a/0x100
[ 181.961229][ C0]
[ 181.964276][ C0]
[ 181.967286][ C0] __local_bh_enable_ip+0x9f/0xb0
[ 181.972534][ C0] __dev_queue_xmit+0x2776/0x52c0
[ 181.977790][ C0] ? __dev_queue_xmit+0x352/0x52c0
[ 181.983221][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 181.988688][ C0] ? kmsan_internal_set_shadow_origin+0x66/0xe0
[ 181.995195][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 182.000689][ C0] ip_finish_output2+0x187a/0x1b70
[ 182.006074][ C0] __ip_finish_output+0x287/0x810
[ 182.011360][ C0] ip_finish_output+0x4b/0x550
[ 182.016356][ C0] ? __rcu_read_unlock+0x48/0xe0
[ 182.021560][ C0] ip_output+0x15f/0x3f0
[ 182.026022][ C0] ? __pfx_ip_finish_output+0x10/0x10
[ 182.031651][ C0] ? __pfx_ip_output+0x10/0x10
[ 182.036571][ C0] __ip_queue_xmit+0x1e93/0x2030
[ 182.041699][ C0] ? __tcp_transmit_skb+0x2921/0x4890
[ 182.047275][ C0] ? filter_irq_stacks+0x164/0x1a0
[ 182.052751][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 182.058228][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 182.064290][ C0] ip_queue_xmit+0x60/0x80
[ 182.068873][ C0] ? __pfx_ip_queue_xmit+0x10/0x10
[ 182.074182][ C0] __tcp_transmit_skb+0x3c70/0x4890
[ 182.079587][ C0] ? kmsan_slab_alloc+0xdf/0x160
[ 182.084675][ C0] ? kmem_cache_alloc_node+0x613/0xc50
[ 182.090405][ C0] ? kmalloc_reserve+0x13d/0x4a0
[ 182.095567][ C0] ? __alloc_skb+0x35b/0x7a0
[ 182.100364][ C0] ? tcp_send_fin+0x3ae/0x12e0
[ 182.105400][ C0] ? tcp_shutdown+0x198/0x1f0
[ 182.110330][ C0] ? inet_shutdown+0x33f/0x5b0
[ 182.115358][ C0] ? __se_sys_shutdown+0x2a4/0x440
[ 182.120745][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 182.126265][ C0] tcp_write_xmit+0x3ee1/0x8900
[ 182.131430][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 182.137536][ C0] tcp_send_fin+0xa90/0x12e0
[ 182.142359][ C0] tcp_shutdown+0x198/0x1f0
[ 182.147055][ C0] ? __pfx_tcp_shutdown+0x10/0x10
[ 182.152256][ C0] inet_shutdown+0x33f/0x5b0
[ 182.157144][ C0] ? __pfx_inet_shutdown+0x10/0x10
[ 182.162471][ C0] __se_sys_shutdown+0x2a4/0x440
[ 182.167590][ C0] __x64_sys_shutdown+0x6c/0xa0
[ 182.172665][ C0] do_syscall_64+0xd5/0x1f0
[ 182.177585][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 182.183664][ C0] RIP: 0033:0x7fed461c1ab9
[ 182.188223][ C0] 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
[ 182.208060][ C0] RSP: 002b:00007ffe8c195188 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
[ 182.216699][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed461c1ab9
[ 182.224829][ C0] RDX: ffffffffffffffb8 RSI: 0000000000000001 RDI: 0000000000000004
[ 182.233018][ C0] RBP: 00007fed462345f0 R08: 000000000000001c R09: 000000000000001c
[ 182.241253][ C0] R10: 0000000020000300 R11: 0000000000000246 R12: 0000000000000001
[ 182.249344][ C0] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 182.257487][ C0]
[ 182.260927][ C0] Kernel Offset: disabled
[ 182.265340][ C0] Rebooting in 86400 seconds..