./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2478294835 <...> Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts. execve("./syz-executor2478294835", ["./syz-executor2478294835"], 0x7ffcc66b1e40 /* 10 vars */) = 0 brk(NULL) = 0x555586f8f000 brk(0x555586f8fd00) = 0x555586f8fd00 arch_prctl(ARCH_SET_FS, 0x555586f8f380) = 0 set_tid_address(0x555586f8f650) = 5052 set_robust_list(0x555586f8f660, 24) = 0 rseq(0x555586f8fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2478294835", 4096) = 28 getrandom("\x9c\x8f\xc1\x14\xc0\x89\x80\x54", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555586f8fd00 brk(0x555586fb0d00) = 0x555586fb0d00 brk(0x555586fb1000) = 0x555586fb1000 mprotect(0x7f9cde6ce000, 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=0x555586f8f650) = 5053 ./strace-static-x86_64: Process 5053 attached [pid 5053] set_robust_list(0x555586f8f660, 24) = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] setpgid(0, 0) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5053] write(3, "1000", 4) = 4 [pid 5053] close(3executing program ) = 0 [pid 5053] write(1, "executing program\n", 18) = 18 [pid 5053] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 186.036259][ T5053] ===================================================== [ 186.044185][ T5053] BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 [ 186.056415][ T5053] tcf_ct_flow_table_get+0x611/0x2260 [ 186.062082][ T5053] tcf_ct_init+0xa67/0x2890 [ 186.066744][ T5053] tcf_action_init_1+0x6cc/0xb30 [ 186.072004][ T5053] tcf_action_init+0x458/0xf00 [ 186.076918][ T5053] tc_ctl_action+0x4be/0x19d0 [ 186.081813][ T5053] rtnetlink_rcv_msg+0x12fc/0x1410 [ 186.087079][ T5053] netlink_rcv_skb+0x375/0x650 [ 186.092117][ T5053] rtnetlink_rcv+0x34/0x40 [ 186.096676][ T5053] netlink_unicast+0xf52/0x1260 [ 186.101764][ T5053] netlink_sendmsg+0x10da/0x11e0 [ 186.106850][ T5053] __sock_sendmsg+0x30f/0x380 [ 186.111833][ T5053] ____sys_sendmsg+0x877/0xb60 [ 186.116743][ T5053] ___sys_sendmsg+0x28d/0x3c0 [ 186.121679][ T5053] __x64_sys_sendmsg+0x307/0x4a0 [ 186.126752][ T5053] x64_sys_call+0x2dd6/0x3c10 [ 186.131693][ T5053] do_syscall_64+0xcd/0x1e0 [ 186.136382][ T5053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.142524][ T5053] [ 186.144915][ T5053] Local variable key created at: [ 186.150042][ T5053] tcf_ct_flow_table_get+0x4a/0x2260 [ 186.155473][ T5053] tcf_ct_init+0xa67/0x2890 [ 186.160173][ T5053] [ 186.162576][ T5053] CPU: 0 PID: 5053 Comm: syz-executor247 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 186.172974][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 186.183256][ T5053] ===================================================== [ 186.190367][ T5053] Disabling lock debugging due to kernel taint [ 186.196608][ T5053] Kernel panic - not syncing: kmsan.panic set ... [ 186.203115][ T5053] CPU: 0 PID: 5053 Comm: syz-executor247 Tainted: G B 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 186.214928][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 186.225135][ T5053] Call Trace: [ 186.228500][ T5053] [ 186.231483][ T5053] dump_stack_lvl+0x216/0x2d0 [ 186.236299][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.242312][ T5053] dump_stack+0x1e/0x30 [ 186.246573][ T5053] panic+0x4e2/0xcd0 [ 186.250573][ T5053] ? kmsan_get_metadata+0xf1/0x1d0 [ 186.255817][ T5053] kmsan_report+0x2d5/0x2e0 [ 186.260447][ T5053] ? pcpu_alloc_area+0x114e/0x12c0 [ 186.265682][ T5053] ? __msan_warning+0x95/0x120 [ 186.270576][ T5053] ? tcf_ct_flow_table_get+0x611/0x2260 [ 186.276273][ T5053] ? tcf_ct_init+0xa67/0x2890 [ 186.281041][ T5053] ? tcf_action_init_1+0x6cc/0xb30 [ 186.286308][ T5053] ? tcf_action_init+0x458/0xf00 [ 186.291340][ T5053] ? tc_ctl_action+0x4be/0x19d0 [ 186.296289][ T5053] ? rtnetlink_rcv_msg+0x12fc/0x1410 [ 186.301668][ T5053] ? netlink_rcv_skb+0x375/0x650 [ 186.306726][ T5053] ? rtnetlink_rcv+0x34/0x40 [ 186.311404][ T5053] ? netlink_unicast+0xf52/0x1260 [ 186.316560][ T5053] ? netlink_sendmsg+0x10da/0x11e0 [ 186.321762][ T5053] ? __sock_sendmsg+0x30f/0x380 [ 186.326741][ T5053] ? ____sys_sendmsg+0x877/0xb60 [ 186.331827][ T5053] ? ___sys_sendmsg+0x28d/0x3c0 [ 186.336756][ T5053] ? __x64_sys_sendmsg+0x307/0x4a0 [ 186.341960][ T5053] ? x64_sys_call+0x2dd6/0x3c10 [ 186.346915][ T5053] ? do_syscall_64+0xcd/0x1e0 [ 186.351699][ T5053] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.357898][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.363224][ T5053] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 186.369674][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.375001][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.380942][ T5053] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 186.386856][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.392174][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.397491][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.403424][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.408745][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.414682][ T5053] __msan_warning+0x95/0x120 [ 186.419383][ T5053] tcf_ct_flow_table_get+0x611/0x2260 [ 186.424860][ T5053] ? nf_ct_tmpl_alloc+0xbd/0x2d0 [ 186.429904][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.435229][ T5053] tcf_ct_init+0xa67/0x2890 [ 186.439856][ T5053] tcf_action_init_1+0x6cc/0xb30 [ 186.444892][ T5053] ? __pfx_tcf_ct_init+0x10/0x10 [ 186.449956][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.455963][ T5053] tcf_action_init+0x458/0xf00 [ 186.460853][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.466252][ T5053] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 186.472798][ T5053] tc_ctl_action+0x4be/0x19d0 [ 186.477647][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.483015][ T5053] ? __pfx_tc_ctl_action+0x10/0x10 [ 186.488278][ T5053] ? __pfx_tc_ctl_action+0x10/0x10 [ 186.493489][ T5053] rtnetlink_rcv_msg+0x12fc/0x1410 [ 186.498720][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.504058][ T5053] netlink_rcv_skb+0x375/0x650 [ 186.508981][ T5053] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 186.514547][ T5053] ? __pfx_rtnetlink_rcv+0x10/0x10 [ 186.519746][ T5053] rtnetlink_rcv+0x34/0x40 [ 186.524250][ T5053] netlink_unicast+0xf52/0x1260 [ 186.529226][ T5053] netlink_sendmsg+0x10da/0x11e0 [ 186.534259][ T5053] ? __pfx_netlink_sendmsg+0x10/0x10 [ 186.539651][ T5053] ? __pfx_netlink_sendmsg+0x10/0x10 [ 186.545082][ T5053] __sock_sendmsg+0x30f/0x380 [ 186.549863][ T5053] ____sys_sendmsg+0x877/0xb60 [ 186.554729][ T5053] ___sys_sendmsg+0x28d/0x3c0 [ 186.559492][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.564825][ T5053] ? filter_irq_stacks+0x60/0x1a0 [ 186.569978][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.575296][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.581230][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 186.586546][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.592481][ T5053] __x64_sys_sendmsg+0x307/0x4a0 [ 186.597508][ T5053] ? uprobe_notify_resume+0x52b0/0x5330 [ 186.603159][ T5053] ? syscall_trace_enter+0x279/0x600 [ 186.608562][ T5053] x64_sys_call+0x2dd6/0x3c10 [ 186.613354][ T5053] do_syscall_64+0xcd/0x1e0 [ 186.617995][ T5053] ? clear_bhb_loop+0x25/0x80 [ 186.622828][ T5053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.628878][ T5053] RIP: 0033:0x7f9cde65ac39 [ 186.633418][ T5053] 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 [ 186.653138][ T5053] RSP: 002b:00007ffc6eb3fd78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 186.661667][ T5053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cde65ac39 [ 186.669715][ T5053] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 186.677771][ T5053] RBP: 00007f9cde6ce5f0 R08: 0000000000000000 R09: 0000000000000006 [ 186.685847][ T5053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 186.693916][ T5053] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 186.701978][ T5053] [ 186.705333][ T5053] Kernel Offset: disabled [ 186.709713][ T5053] Rebooting in 86400 seconds..