./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1123386815 <...> Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. execve("./syz-executor1123386815", ["./syz-executor1123386815"], 0x7ffd37e2d810 /* 10 vars */) = 0 brk(NULL) = 0x555565f93000 brk(0x555565f93d00) = 0x555565f93d00 arch_prctl(ARCH_SET_FS, 0x555565f93380) = 0 set_tid_address(0x555565f93650) = 5849 set_robust_list(0x555565f93660, 24) = 0 rseq(0x555565f93ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1123386815", 4096) = 28 getrandom("\x8d\xe0\x2b\xf4\x08\xe5\xbd\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565f93d00 brk(0x555565fb4d00) = 0x555565fb4d00 brk(0x555565fb5000) = 0x555565fb5000 mprotect(0x7fb1bee6e000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 [ 90.243341][ T5849] cgroup: Unknown subsys name 'net' umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 [ 90.398451][ T5849] cgroup: Unknown subsys name 'cpuset' [ 90.432846][ T5849] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) mkdir("./syzkaller.DlIZea", 0700) = 0 chmod("./syzkaller.DlIZea", 0777) = 0 chdir("./syzkaller.DlIZea") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached [pid 5850] set_robust_list(0x555565f93660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x555565f93650) = 5850 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] getppid() = 0 [pid 5850] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5850] unshare(CLONE_NEWNS) = 0 [pid 5850] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5850] unshare(CLONE_NEWIPC) = 0 [pid 5850] unshare(CLONE_NEWCGROUP) = 0 [pid 5850] unshare(CLONE_NEWUTS) = 0 [pid 5850] unshare(CLONE_SYSVSEM) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "16777216", 8) = 8 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "536870912", 9) = 9 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "8192", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5850] close(3) = 0 [pid 5850] getpid() = 1 [pid 5850] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5853] set_robust_list(0x555565f93660, 24 [pid 5850] <... clone resumed>, child_tidptr=0x555565f93650) = 2 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] chdir("./0") = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5853] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5853] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5853] write(1, "executing program\n", 18) = 18 [pid 5853] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5853] unshare(CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0 [ 91.222376][ T5853] ------------[ cut here ]------------ [ 91.228077][ T5853] WARNING: CPU: 0 PID: 5853 at net/netfilter/nft_socket.c:220 nft_socket_init+0x2f4/0x3d0 [ 91.238195][ T5853] Modules linked in: [ 91.242717][ T5853] CPU: 0 UID: 0 PID: 5853 Comm: syz-executor112 Not tainted 6.16.0-rc6-syzkaller-01673-g94619ea2d933 #0 PREEMPT(full) [ 91.255508][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 91.265943][ T5853] RIP: 0010:nft_socket_init+0x2f4/0x3d0 [ 91.271587][ T5853] Code: 84 c0 0f 85 da 00 00 00 41 88 2c 24 bd 08 00 00 00 e9 ad fe ff ff 89 f3 e8 29 86 07 f8 89 d8 e9 57 ff ff ff e8 1d 86 07 f8 90 <0f> 0b 90 e9 44 ff ff ff 89 e9 80 e1 07 38 c1 0f 8c 87 fd ff ff 48 [ 91.291292][ T5853] RSP: 0018:ffffc90003e8f178 EFLAGS: 00010293 [ 91.297387][ T5853] RAX: ffffffff89b8a433 RBX: ffff8880785f8020 RCX: ffff888033023c00 [ 91.305436][ T5853] RDX: 0000000000000000 RSI: 0000000000000100 RDI: 00000000000000ff [ 91.313493][ T5853] RBP: 00000000000000ff R08: 0000000000000000 R09: ffffffff89b8b21c [ 91.321551][ T5853] R10: dffffc0000000000 R11: ffffed1029728a3d R12: 0000000000000100 [ 91.329551][ T5853] R13: ffff888032b28118 R14: dffffc0000000000 R15: 1ffff1100f0bf004 [ 91.337619][ T5853] FS: 0000555565f93380(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000 [ 91.346666][ T5853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.353389][ T5853] CR2: 00005607cd3f0000 CR3: 0000000073cae000 CR4: 00000000003526f0 [ 91.361549][ T5853] Call Trace: [ 91.364869][ T5853] [ 91.367819][ T5853] nf_tables_newrule+0x178f/0x2890 [ 91.373086][ T5853] ? __pfx_nf_tables_newrule+0x10/0x10 [ 91.378602][ T5853] ? nfnl_pernet+0x23/0x240 [ 91.384588][ T5853] ? __nla_parse+0x40/0x60 [ 91.389100][ T5853] nfnetlink_rcv+0x112f/0x2520 [ 91.394034][ T5853] ? __pfx_nfnetlink_rcv+0x10/0x10 [ 91.399274][ T5853] ? netlink_deliver_tap+0x2e/0x1b0 [ 91.404586][ T5853] netlink_unicast+0x82c/0x9e0 [ 91.409402][ T5853] ? __pfx_netlink_unicast+0x10/0x10 [ 91.414864][ T5853] ? netlink_sendmsg+0x642/0xb30 [ 91.419855][ T5853] ? skb_put+0x11b/0x210 [ 91.424198][ T5853] netlink_sendmsg+0x805/0xb30 [ 91.429006][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.434377][ T5853] ? aa_sock_msg_perm+0x94/0x160 [ 91.439444][ T5853] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 91.444866][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.450235][ T5853] __sock_sendmsg+0x219/0x270 [ 91.454960][ T5853] ____sys_sendmsg+0x505/0x830 [ 91.459783][ T5853] ? __pfx_____sys_sendmsg+0x10/0x10 [ 91.465245][ T5853] ? import_iovec+0x74/0xa0 [ 91.469809][ T5853] ___sys_sendmsg+0x21f/0x2a0 [ 91.474576][ T5853] ? __pfx____sys_sendmsg+0x10/0x10 [ 91.479810][ T5853] ? do_raw_spin_lock+0x121/0x290 [ 91.485079][ T5853] __x64_sys_sendmsg+0x19b/0x260 [ 91.490069][ T5853] ? _raw_spin_unlock_irq+0x2e/0x50 [ 91.495412][ T5853] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 91.501015][ T5853] do_syscall_64+0xfa/0x3b0 [ 91.505580][ T5853] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.510895][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.517090][ T5853] ? clear_bhb_loop+0x60/0xb0 [ 91.521982][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.527914][ T5853] RIP: 0033:0x7fb1bedfa0e9 [ 91.532414][ T5853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 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 [ 91.552422][ T5853] RSP: 002b:00007fffc065b528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.560925][ T5853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1bedfa0e9 [ 91.569119][ T5853] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003 [ 91.577319][ T5853] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 91.585439][ T5853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1bee43036 [ 91.593694][ T5853] R13: 00007fffc065b560 R14: 00007fffc065b5a0 R15: 0000000000000000 [ 91.602046][ T5853] [ 91.605116][ T5853] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.612506][ T5853] CPU: 0 UID: 0 PID: 5853 Comm: syz-executor112 Not tainted 6.16.0-rc6-syzkaller-01673-g94619ea2d933 #0 PREEMPT(full) [ 91.625018][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 91.635261][ T5853] Call Trace: [ 91.638560][ T5853] [ 91.641507][ T5853] dump_stack_lvl+0x99/0x250 [ 91.646123][ T5853] ? __asan_memcpy+0x40/0x70 [ 91.650727][ T5853] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.655935][ T5853] ? __pfx__printk+0x10/0x10 [ 91.660547][ T5853] panic+0x2db/0x790 [ 91.664464][ T5853] ? __pfx_panic+0x10/0x10 [ 91.669000][ T5853] __warn+0x31b/0x4b0 [ 91.673020][ T5853] ? nft_socket_init+0x2f4/0x3d0 [ 91.677985][ T5853] ? nft_socket_init+0x2f4/0x3d0 [ 91.682937][ T5853] report_bug+0x2be/0x4f0 [ 91.687280][ T5853] ? nft_socket_init+0x2f4/0x3d0 [ 91.692232][ T5853] ? nft_socket_init+0x2f4/0x3d0 [ 91.697178][ T5853] ? nft_socket_init+0x2f6/0x3d0 [ 91.702123][ T5853] handle_bug+0x84/0x160 [ 91.706380][ T5853] exc_invalid_op+0x1a/0x50 [ 91.710899][ T5853] asm_exc_invalid_op+0x1a/0x20 [ 91.715760][ T5853] RIP: 0010:nft_socket_init+0x2f4/0x3d0 [ 91.721321][ T5853] Code: 84 c0 0f 85 da 00 00 00 41 88 2c 24 bd 08 00 00 00 e9 ad fe ff ff 89 f3 e8 29 86 07 f8 89 d8 e9 57 ff ff ff e8 1d 86 07 f8 90 <0f> 0b 90 e9 44 ff ff ff 89 e9 80 e1 07 38 c1 0f 8c 87 fd ff ff 48 [ 91.741155][ T5853] RSP: 0018:ffffc90003e8f178 EFLAGS: 00010293 [ 91.747256][ T5853] RAX: ffffffff89b8a433 RBX: ffff8880785f8020 RCX: ffff888033023c00 [ 91.755630][ T5853] RDX: 0000000000000000 RSI: 0000000000000100 RDI: 00000000000000ff [ 91.763734][ T5853] RBP: 00000000000000ff R08: 0000000000000000 R09: ffffffff89b8b21c [ 91.771893][ T5853] R10: dffffc0000000000 R11: ffffed1029728a3d R12: 0000000000000100 [ 91.779962][ T5853] R13: ffff888032b28118 R14: dffffc0000000000 R15: 1ffff1100f0bf004 [ 91.788075][ T5853] ? nft_socket_cgroup_subtree_level+0x9c/0x340 [ 91.794362][ T5853] ? nft_socket_init+0x2f3/0x3d0 [ 91.799326][ T5853] ? nft_socket_init+0x2f3/0x3d0 [ 91.804285][ T5853] nf_tables_newrule+0x178f/0x2890 [ 91.809434][ T5853] ? __pfx_nf_tables_newrule+0x10/0x10 [ 91.814995][ T5853] ? nfnl_pernet+0x23/0x240 [ 91.819535][ T5853] ? __nla_parse+0x40/0x60 [ 91.823969][ T5853] nfnetlink_rcv+0x112f/0x2520 [ 91.828823][ T5853] ? __pfx_nfnetlink_rcv+0x10/0x10 [ 91.834620][ T5853] ? netlink_deliver_tap+0x2e/0x1b0 [ 91.839860][ T5853] netlink_unicast+0x82c/0x9e0 [ 91.844667][ T5853] ? __pfx_netlink_unicast+0x10/0x10 [ 91.850063][ T5853] ? netlink_sendmsg+0x642/0xb30 [ 91.855185][ T5853] ? skb_put+0x11b/0x210 [ 91.859459][ T5853] netlink_sendmsg+0x805/0xb30 [ 91.864264][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.869577][ T5853] ? aa_sock_msg_perm+0x94/0x160 [ 91.874536][ T5853] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 91.879832][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.885123][ T5853] __sock_sendmsg+0x219/0x270 [ 91.889818][ T5853] ____sys_sendmsg+0x505/0x830 [ 91.894596][ T5853] ? __pfx_____sys_sendmsg+0x10/0x10 [ 91.899927][ T5853] ? import_iovec+0x74/0xa0 [ 91.904449][ T5853] ___sys_sendmsg+0x21f/0x2a0 [ 91.909224][ T5853] ? __pfx____sys_sendmsg+0x10/0x10 [ 91.914524][ T5853] ? do_raw_spin_lock+0x121/0x290 [ 91.919604][ T5853] __x64_sys_sendmsg+0x19b/0x260 [ 91.924553][ T5853] ? _raw_spin_unlock_irq+0x2e/0x50 [ 91.929922][ T5853] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 91.935503][ T5853] do_syscall_64+0xfa/0x3b0 [ 91.940196][ T5853] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.945401][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.951579][ T5853] ? clear_bhb_loop+0x60/0xb0 [ 91.956267][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.962167][ T5853] RIP: 0033:0x7fb1bedfa0e9 [ 91.966595][ T5853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 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 [ 91.986381][ T5853] RSP: 002b:00007fffc065b528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.994806][ T5853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1bedfa0e9 [ 92.002932][ T5853] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003 [ 92.010922][ T5853] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 92.019472][ T5853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1bee43036 [ 92.027651][ T5853] R13: 00007fffc065b560 R14: 00007fffc065b5a0 R15: 0000000000000000 [ 92.035924][ T5853] [ 92.039670][ T5853] Kernel Offset: disabled [ 92.044749][ T5853] Rebooting in 86400 seconds..