./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3321150627 <...> Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. execve("./syz-executor3321150627", ["./syz-executor3321150627"], 0x7ffc4a3c3920 /* 10 vars */) = 0 brk(NULL) = 0x55555d9b2000 brk(0x55555d9b2d00) = 0x55555d9b2d00 arch_prctl(ARCH_SET_FS, 0x55555d9b2380) = 0 set_tid_address(0x55555d9b2650) = 5063 set_robust_list(0x55555d9b2660, 24) = 0 rseq(0x55555d9b2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3321150627", 4096) = 28 getrandom("\x09\x6e\xdf\x87\xa9\x9f\x13\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d9b2d00 brk(0x55555d9d3d00) = 0x55555d9d3d00 brk(0x55555d9d4000) = 0x55555d9d4000 mprotect(0x7f3a9ba79000, 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=0x55555d9b2650) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5064] set_robust_list(0x55555d9b2660, 24) = 0 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] setpgid(0, 0) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1000", 4) = 4 [pid 5064] close(3) = 0 executing program [pid 5064] write(1, "executing program\n", 18) = 18 [pid 5064] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 164.641239][ T5064] ===================================================== [ 164.648670][ T5064] BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 [ 164.657871][ T5064] tcf_ct_flow_table_get+0x611/0x2260 [ 164.663806][ T5064] tcf_ct_init+0xa67/0x2890 [ 164.668455][ T5064] tcf_action_init_1+0x6cc/0xb30 [ 164.673651][ T5064] tcf_action_init+0x458/0xf00 [ 164.678582][ T5064] tc_ctl_action+0x4be/0x19d0 [ 164.683545][ T5064] rtnetlink_rcv_msg+0x12fc/0x1410 [ 164.688825][ T5064] netlink_rcv_skb+0x375/0x650 [ 164.693904][ T5064] rtnetlink_rcv+0x34/0x40 [ 164.698462][ T5064] netlink_unicast+0xf52/0x1260 [ 164.703642][ T5064] netlink_sendmsg+0x10da/0x11e0 [ 164.708721][ T5064] __sock_sendmsg+0x30f/0x380 [ 164.713718][ T5064] ____sys_sendmsg+0x877/0xb60 [ 164.718624][ T5064] ___sys_sendmsg+0x28d/0x3c0 [ 164.723597][ T5064] __x64_sys_sendmsg+0x307/0x4a0 [ 164.728698][ T5064] x64_sys_call+0x2dd6/0x3c10 [ 164.733645][ T5064] do_syscall_64+0xcd/0x1e0 [ 164.738332][ T5064] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.744520][ T5064] [ 164.746923][ T5064] Local variable key created at: [ 164.752011][ T5064] tcf_ct_flow_table_get+0x4a/0x2260 [ 164.757453][ T5064] tcf_ct_init+0xa67/0x2890 [ 164.762302][ T5064] [ 164.764713][ T5064] CPU: 0 PID: 5064 Comm: syz-executor332 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 164.775119][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 164.785458][ T5064] ===================================================== [ 164.793907][ T5064] Disabling lock debugging due to kernel taint [ 164.800128][ T5064] Kernel panic - not syncing: kmsan.panic set ... [ 164.806608][ T5064] CPU: 0 PID: 5064 Comm: syz-executor332 Tainted: G B 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 164.818366][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 164.828548][ T5064] Call Trace: [ 164.831894][ T5064] [ 164.834882][ T5064] dump_stack_lvl+0x216/0x2d0 [ 164.839677][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 164.845626][ T5064] dump_stack+0x1e/0x30 [ 164.849890][ T5064] panic+0x4e2/0xcd0 [ 164.853905][ T5064] ? kmsan_get_metadata+0xf1/0x1d0 [ 164.859160][ T5064] kmsan_report+0x2d5/0x2e0 [ 164.863816][ T5064] ? pcpu_alloc_area+0x114e/0x12c0 [ 164.869088][ T5064] ? __msan_warning+0x95/0x120 [ 164.873965][ T5064] ? tcf_ct_flow_table_get+0x611/0x2260 [ 164.879629][ T5064] ? tcf_ct_init+0xa67/0x2890 [ 164.884394][ T5064] ? tcf_action_init_1+0x6cc/0xb30 [ 164.889609][ T5064] ? tcf_action_init+0x458/0xf00 [ 164.894648][ T5064] ? tc_ctl_action+0x4be/0x19d0 [ 164.899685][ T5064] ? rtnetlink_rcv_msg+0x12fc/0x1410 [ 164.905070][ T5064] ? netlink_rcv_skb+0x375/0x650 [ 164.910156][ T5064] ? rtnetlink_rcv+0x34/0x40 [ 164.914841][ T5064] ? netlink_unicast+0xf52/0x1260 [ 164.920001][ T5064] ? netlink_sendmsg+0x10da/0x11e0 [ 164.925252][ T5064] ? __sock_sendmsg+0x30f/0x380 [ 164.930207][ T5064] ? ____sys_sendmsg+0x877/0xb60 [ 164.935235][ T5064] ? ___sys_sendmsg+0x28d/0x3c0 [ 164.940201][ T5064] ? __x64_sys_sendmsg+0x307/0x4a0 [ 164.945400][ T5064] ? x64_sys_call+0x2dd6/0x3c10 [ 164.950369][ T5064] ? do_syscall_64+0xcd/0x1e0 [ 164.955159][ T5064] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.961359][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 164.966698][ T5064] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 164.973167][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 164.978499][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 164.984445][ T5064] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 164.990389][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 164.995748][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.001084][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 165.007028][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.012357][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 165.018306][ T5064] __msan_warning+0x95/0x120 [ 165.023017][ T5064] tcf_ct_flow_table_get+0x611/0x2260 [ 165.028497][ T5064] ? nf_ct_tmpl_alloc+0xbd/0x2d0 [ 165.033574][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.038974][ T5064] tcf_ct_init+0xa67/0x2890 [ 165.043599][ T5064] tcf_action_init_1+0x6cc/0xb30 [ 165.048642][ T5064] ? __pfx_tcf_ct_init+0x10/0x10 [ 165.053683][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 165.059628][ T5064] tcf_action_init+0x458/0xf00 [ 165.064563][ T5064] tc_ctl_action+0x4be/0x19d0 [ 165.069345][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.074721][ T5064] ? __pfx_tc_ctl_action+0x10/0x10 [ 165.079936][ T5064] ? __pfx_tc_ctl_action+0x10/0x10 [ 165.085151][ T5064] rtnetlink_rcv_msg+0x12fc/0x1410 [ 165.090360][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.095703][ T5064] netlink_rcv_skb+0x375/0x650 [ 165.100625][ T5064] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 165.106245][ T5064] ? __pfx_rtnetlink_rcv+0x10/0x10 [ 165.111468][ T5064] rtnetlink_rcv+0x34/0x40 [ 165.116025][ T5064] netlink_unicast+0xf52/0x1260 [ 165.121012][ T5064] netlink_sendmsg+0x10da/0x11e0 [ 165.126051][ T5064] ? __pfx_netlink_sendmsg+0x10/0x10 [ 165.131422][ T5064] ? __pfx_netlink_sendmsg+0x10/0x10 [ 165.136807][ T5064] __sock_sendmsg+0x30f/0x380 [ 165.141617][ T5064] ____sys_sendmsg+0x877/0xb60 [ 165.146511][ T5064] ___sys_sendmsg+0x28d/0x3c0 [ 165.151274][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.156639][ T5064] ? filter_irq_stacks+0x60/0x1a0 [ 165.161876][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.167202][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 165.173148][ T5064] ? kmsan_get_metadata+0x146/0x1d0 [ 165.178473][ T5064] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 165.184420][ T5064] __x64_sys_sendmsg+0x307/0x4a0 [ 165.189458][ T5064] ? uprobe_notify_resume+0x52b0/0x5330 [ 165.195124][ T5064] ? syscall_trace_enter+0x279/0x600 [ 165.200542][ T5064] x64_sys_call+0x2dd6/0x3c10 [ 165.205342][ T5064] do_syscall_64+0xcd/0x1e0 [ 165.209965][ T5064] ? clear_bhb_loop+0x25/0x80 [ 165.214745][ T5064] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 165.220797][ T5064] RIP: 0033:0x7f3a9ba05c39 [ 165.225324][ T5064] 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 [ 165.245108][ T5064] RSP: 002b:00007ffd6b5ce0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.253633][ T5064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a9ba05c39 [ 165.261695][ T5064] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 165.269770][ T5064] RBP: 00007f3a9ba795f0 R08: 0000000000000000 R09: 0000000000000006 [ 165.277868][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 165.285924][ T5064] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 165.293994][ T5064] [ 165.297322][ T5064] Kernel Offset: disabled [ 165.301709][ T5064] Rebooting in 86400 seconds..