./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor818194785 <...> Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. execve("./syz-executor818194785", ["./syz-executor818194785"], 0x7ffe81ecf070 /* 10 vars */) = 0 brk(NULL) = 0x555555737000 brk(0x555555737d00) = 0x555555737d00 arch_prctl(ARCH_SET_FS, 0x555555737380) = 0 set_tid_address(0x555555737650) = 5058 set_robust_list(0x555555737660, 24) = 0 rseq(0x555555737ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor818194785", 4096) = 27 getrandom("\x1f\x8b\xdb\x4f\x8a\x63\xf4\xe8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555737d00 brk(0x555555758d00) = 0x555555758d00 brk(0x555555759000) = 0x555555759000 mprotect(0x7fc1bc0c9000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555737650) = 5059 ./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x555555737660, 24) = 0 [pid 5059] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setsid() = 1 [pid 5059] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5059] unshare(CLONE_NEWNS) = 0 [pid 5059] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5059] unshare(CLONE_NEWIPC) = 0 [pid 5059] unshare(CLONE_NEWCGROUP) = 0 [pid 5059] unshare(CLONE_NEWUTS) = 0 [pid 5059] unshare(CLONE_SYSVSEM) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "16777216", 8) = 8 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "536870912", 9) = 9 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "8192", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5059] close(3) = 0 [pid 5059] getpid() = 1 [pid 5059] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 74.122783][ T5062] ------------[ cut here ]------------ [ 74.128339][ T5062] WARNING: CPU: 1 PID: 5062 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 74.138718][ T5062] Modules linked in: [ 74.142961][ T5062] CPU: 1 PID: 5062 Comm: syz-executor818 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.153468][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.163573][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.169929][ T5062] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 74.189607][ T5062] RSP: 0018:ffffc90003fdf1b0 EFLAGS: 00010293 [ 74.195749][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.203796][ T5062] RDX: ffff8880177a3b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.211780][ T5062] RBP: ffffc90003fdf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.219790][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.227795][ T5062] R13: ffff88801dff342c R14: ffffc90003fdf35c R15: ffff88801dff3400 [ 74.235805][ T5062] FS: 0000555555737380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 74.244782][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.251359][ T5062] CR2: 0000000000000000 CR3: 000000007a9fb000 CR4: 00000000003506f0 [ 74.259368][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.267420][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.275432][ T5062] Call Trace: [ 74.278704][ T5062] [ 74.281625][ T5062] ? show_regs+0x8f/0xa0 [ 74.285908][ T5062] ? __warn+0xe6/0x390 [ 74.289999][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.295677][ T5062] ? report_bug+0x3bc/0x580 [ 74.300202][ T5062] ? handle_bug+0x3d/0x70 [ 74.304583][ T5062] ? exc_invalid_op+0x17/0x40 [ 74.309278][ T5062] ? asm_exc_invalid_op+0x1a/0x20 [ 74.314345][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.319998][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.325736][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.331421][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 74.336321][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.341744][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.347605][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.353003][ T5062] ip6_route_add+0x26/0x1f0 [ 74.357553][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 74.362876][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 74.368261][ T5062] inet6_addr_add+0x605/0xbe0 [ 74.372973][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.378136][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.384252][ T5062] ? trace_contention_end+0xd6/0x100 [ 74.389540][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 74.394291][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.400383][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.405365][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.410060][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.416084][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.422098][ T5062] netlink_rcv_skb+0x16b/0x440 [ 74.426921][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.431623][ T5062] ? netlink_ack+0x1380/0x1380 [ 74.436461][ T5062] ? lock_sync+0x190/0x190 [ 74.440933][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.446287][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 74.451351][ T5062] netlink_unicast+0x53b/0x810 [ 74.456191][ T5062] ? netlink_attachskb+0x880/0x880 [ 74.461323][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.467266][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 74.472317][ T5062] ? __check_object_size+0x323/0x730 [ 74.477659][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 74.482458][ T5062] ? netlink_unicast+0x810/0x810 [ 74.487469][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.492806][ T5062] ? netlink_unicast+0x810/0x810 [ 74.497797][ T5062] __sock_sendmsg+0xd5/0x180 [ 74.502411][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 74.507220][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 74.512700][ T5062] ? kernel_sendmsg+0x50/0x50 [ 74.517417][ T5062] ? hlock_class+0x4e/0x130 [ 74.521969][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 74.526703][ T5062] ? do_recvmmsg+0x740/0x740 [ 74.531331][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.536838][ T5062] ? __fget_light+0x1fc/0x260 [ 74.541560][ T5062] __sys_sendmsg+0x117/0x1e0 [ 74.546210][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 74.551268][ T5062] ? ptrace_notify+0xf4/0x130 [ 74.555998][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.562268][ T5062] do_syscall_64+0x40/0x110 [ 74.566822][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.572746][ T5062] RIP: 0033:0x7fc1bc055f89 [ 74.577222][ T5062] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 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 [ 74.596893][ T5062] RSP: 002b:00007fff0e9d6948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.605396][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc1bc055f89 [ 74.613389][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.621421][ T5062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555738610 [ 74.629780][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.637793][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.645830][ T5062] [ 74.648840][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.656109][ T5062] CPU: 1 PID: 5062 Comm: syz-executor818 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.666523][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.676575][ T5062] Call Trace: [ 74.679845][ T5062] [ 74.682765][ T5062] dump_stack_lvl+0xd9/0x1b0 [ 74.687356][ T5062] panic+0x6dc/0x790 [ 74.691247][ T5062] ? panic_smp_self_stop+0xa0/0xa0 [ 74.696374][ T5062] ? show_trace_log_lvl+0x363/0x4f0 [ 74.701575][ T5062] ? check_panic_on_warn+0x1f/0xb0 [ 74.706682][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.712315][ T5062] check_panic_on_warn+0xab/0xb0 [ 74.717250][ T5062] __warn+0xf2/0x390 [ 74.721139][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.726800][ T5062] report_bug+0x3bc/0x580 [ 74.731124][ T5062] handle_bug+0x3d/0x70 [ 74.735295][ T5062] exc_invalid_op+0x17/0x40 [ 74.739792][ T5062] asm_exc_invalid_op+0x1a/0x20 [ 74.744657][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.750892][ T5062] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 74.770503][ T5062] RSP: 0018:ffffc90003fdf1b0 EFLAGS: 00010293 [ 74.776577][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.784550][ T5062] RDX: ffff8880177a3b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.792522][ T5062] RBP: ffffc90003fdf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.800491][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.808463][ T5062] R13: ffff88801dff342c R14: ffffc90003fdf35c R15: ffff88801dff3400 [ 74.816450][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.822096][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.827752][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 74.832611][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.837999][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.843818][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.849207][ T5062] ip6_route_add+0x26/0x1f0 [ 74.853720][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 74.859028][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 74.864350][ T5062] inet6_addr_add+0x605/0xbe0 [ 74.869049][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.874177][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.880253][ T5062] ? trace_contention_end+0xd6/0x100 [ 74.885548][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 74.890284][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.896365][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.901316][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.906002][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.911994][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.917996][ T5062] netlink_rcv_skb+0x16b/0x440 [ 74.922774][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 74.927465][ T5062] ? netlink_ack+0x1380/0x1380 [ 74.932239][ T5062] ? lock_sync+0x190/0x190 [ 74.936684][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.941980][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 74.947021][ T5062] netlink_unicast+0x53b/0x810 [ 74.951805][ T5062] ? netlink_attachskb+0x880/0x880 [ 74.956930][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.962855][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 74.967902][ T5062] ? __check_object_size+0x323/0x730 [ 74.973211][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 74.978007][ T5062] ? netlink_unicast+0x810/0x810 [ 74.982969][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.988269][ T5062] ? netlink_unicast+0x810/0x810 [ 74.993243][ T5062] __sock_sendmsg+0xd5/0x180 [ 74.997857][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 75.002647][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 75.008127][ T5062] ? kernel_sendmsg+0x50/0x50 [ 75.012815][ T5062] ? hlock_class+0x4e/0x130 [ 75.017347][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 75.022038][ T5062] ? do_recvmmsg+0x740/0x740 [ 75.026685][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.032161][ T5062] ? __fget_light+0x1fc/0x260 [ 75.036859][ T5062] __sys_sendmsg+0x117/0x1e0 [ 75.041468][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 75.046516][ T5062] ? ptrace_notify+0xf4/0x130 [ 75.051208][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.057466][ T5062] do_syscall_64+0x40/0x110 [ 75.061981][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.067887][ T5062] RIP: 0033:0x7fc1bc055f89 [ 75.072306][ T5062] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 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 [ 75.091921][ T5062] RSP: 002b:00007fff0e9d6948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.100344][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc1bc055f89 [ 75.108317][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.116292][ T5062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555738610 [ 75.124263][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.132237][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 75.140224][ T5062] [ 75.143425][ T5062] Kernel Offset: disabled [ 75.147818][ T5062] Rebooting in 86400 seconds..