./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1934744016 <...> Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. execve("./syz-executor1934744016", ["./syz-executor1934744016"], 0x7ffc86971d40 /* 10 vars */) = 0 brk(NULL) = 0x555556eac000 brk(0x555556eacd00) = 0x555556eacd00 arch_prctl(ARCH_SET_FS, 0x555556eac380) = 0 set_tid_address(0x555556eac650) = 5058 set_robust_list(0x555556eac660, 24) = 0 rseq(0x555556eacca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1934744016", 4096) = 28 getrandom("\x42\x83\xc5\x0b\x25\xb3\x50\xe3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556eacd00 brk(0x555556ecdd00) = 0x555556ecdd00 brk(0x555556ece000) = 0x555556ece000 mprotect(0x7fe48816e000, 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=0x555556eac650) = 5059 ./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x555556eac660, 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 [ 72.119173][ T5062] ------------[ cut here ]------------ [ 72.124667][ T5062] WARNING: CPU: 1 PID: 5062 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.134902][ T5062] Modules linked in: [ 72.138842][ T5062] CPU: 1 PID: 5062 Comm: syz-executor193 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.149283][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.159381][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.165784][ 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 [ 72.185917][ T5062] RSP: 0018:ffffc90003b3f1b0 EFLAGS: 00010293 [ 72.192057][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.200114][ T5062] RDX: ffff8880147d5940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.208137][ T5062] RBP: ffffc90003b3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.216178][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.224169][ T5062] R13: ffff888021b1282c R14: ffffc90003b3f35c R15: ffff888021b12800 [ 72.232173][ T5062] FS: 0000555556eac380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 72.241191][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.247843][ T5062] CR2: 0000000000000000 CR3: 00000000289b5000 CR4: 00000000003506f0 [ 72.255829][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.263859][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.271866][ T5062] Call Trace: [ 72.275140][ T5062] [ 72.278122][ T5062] ? show_regs+0x8f/0xa0 [ 72.282386][ T5062] ? __warn+0xe6/0x390 [ 72.286497][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.292151][ T5062] ? report_bug+0x3bc/0x580 [ 72.296727][ T5062] ? handle_bug+0x3d/0x70 [ 72.301078][ T5062] ? exc_invalid_op+0x17/0x40 [ 72.305747][ T5062] ? asm_exc_invalid_op+0x1a/0x20 [ 72.310811][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.316528][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.322161][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.327874][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 72.332758][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.338227][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.344064][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.349508][ T5062] ip6_route_add+0x26/0x1f0 [ 72.354047][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 72.359394][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 72.364720][ T5062] inet6_addr_add+0x605/0xbe0 [ 72.369446][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.374588][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.380716][ T5062] ? trace_contention_end+0xd6/0x100 [ 72.386023][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 72.390770][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.396908][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.401887][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 72.406631][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.412636][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.418682][ T5062] netlink_rcv_skb+0x16b/0x440 [ 72.423472][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 72.428188][ T5062] ? netlink_ack+0x1380/0x1380 [ 72.432974][ T5062] ? lock_sync+0x190/0x190 [ 72.437466][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.442772][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 72.447837][ T5062] netlink_unicast+0x53b/0x810 [ 72.452625][ T5062] ? netlink_attachskb+0x880/0x880 [ 72.457810][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.463731][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 72.468808][ T5062] ? __check_object_size+0x323/0x730 [ 72.474113][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 72.478936][ T5062] ? netlink_unicast+0x810/0x810 [ 72.483900][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.489222][ T5062] ? netlink_unicast+0x810/0x810 [ 72.494187][ T5062] __sock_sendmsg+0xd5/0x180 [ 72.498834][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 72.503617][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 72.509112][ T5062] ? kernel_sendmsg+0x50/0x50 [ 72.513802][ T5062] ? hlock_class+0x4e/0x130 [ 72.518386][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 72.523086][ T5062] ? do_recvmmsg+0x740/0x740 [ 72.527746][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 72.533218][ T5062] ? __fget_light+0x1fc/0x260 [ 72.537947][ T5062] __sys_sendmsg+0x117/0x1e0 [ 72.542559][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 72.547636][ T5062] ? ptrace_notify+0xf4/0x130 [ 72.552326][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 72.558653][ T5062] do_syscall_64+0x40/0x110 [ 72.563183][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.569118][ T5062] RIP: 0033:0x7fe4880faf49 [ 72.573548][ 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 [ 72.593208][ T5062] RSP: 002b:00007ffe469e30e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.601707][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe4880faf49 [ 72.609741][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 72.617771][ T5062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556ead610 [ 72.625762][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.634233][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.642262][ T5062] [ 72.645307][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.652570][ T5062] CPU: 1 PID: 5062 Comm: syz-executor193 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.662964][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.673439][ T5062] Call Trace: [ 72.676704][ T5062] [ 72.679626][ T5062] dump_stack_lvl+0xd9/0x1b0 [ 72.684209][ T5062] panic+0x6dc/0x790 [ 72.688096][ T5062] ? panic_smp_self_stop+0xa0/0xa0 [ 72.693200][ T5062] ? show_trace_log_lvl+0x363/0x4f0 [ 72.698400][ T5062] ? check_panic_on_warn+0x1f/0xb0 [ 72.703505][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.709131][ T5062] check_panic_on_warn+0xab/0xb0 [ 72.714066][ T5062] __warn+0xf2/0x390 [ 72.717956][ T5062] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.723583][ T5062] report_bug+0x3bc/0x580 [ 72.727908][ T5062] handle_bug+0x3d/0x70 [ 72.732056][ T5062] exc_invalid_op+0x17/0x40 [ 72.736550][ T5062] asm_exc_invalid_op+0x1a/0x20 [ 72.741389][ T5062] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.747627][ 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 [ 72.767240][ T5062] RSP: 0018:ffffc90003b3f1b0 EFLAGS: 00010293 [ 72.773307][ T5062] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.781276][ T5062] RDX: ffff8880147d5940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.789248][ T5062] RBP: ffffc90003b3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.797221][ T5062] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.805193][ T5062] R13: ffff888021b1282c R14: ffffc90003b3f35c R15: ffff888021b12800 [ 72.813175][ T5062] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.818816][ T5062] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.824470][ T5062] ? fib6_nh_init+0x1db0/0x1db0 [ 72.829327][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.834709][ T5062] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.840526][ T5062] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.845916][ T5062] ip6_route_add+0x26/0x1f0 [ 72.850429][ T5062] addrconf_prefix_route+0x2fe/0x510 [ 72.855725][ T5062] ? addrconf_add_mroute+0x350/0x350 [ 72.861044][ T5062] inet6_addr_add+0x605/0xbe0 [ 72.865738][ T5062] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.870864][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.876944][ T5062] ? trace_contention_end+0xd6/0x100 [ 72.882237][ T5062] ? __mutex_lock+0x1a6/0x9d0 [ 72.886952][ T5062] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.893029][ T5062] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.897980][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 72.902662][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.908658][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.914660][ T5062] netlink_rcv_skb+0x16b/0x440 [ 72.919436][ T5062] ? rtnl_fill_vf+0x490/0x490 [ 72.924120][ T5062] ? netlink_ack+0x1380/0x1380 [ 72.928897][ T5062] ? lock_sync+0x190/0x190 [ 72.933338][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.938632][ T5062] ? _copy_from_iter+0x2c1/0x10f0 [ 72.943672][ T5062] netlink_unicast+0x53b/0x810 [ 72.948455][ T5062] ? netlink_attachskb+0x880/0x880 [ 72.953574][ T5062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.959474][ T5062] ? __phys_addr_symbol+0x30/0x70 [ 72.964506][ T5062] ? __check_object_size+0x323/0x730 [ 72.969802][ T5062] netlink_sendmsg+0x8b7/0xd70 [ 72.974581][ T5062] ? netlink_unicast+0x810/0x810 [ 72.979534][ T5062] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.984825][ T5062] ? netlink_unicast+0x810/0x810 [ 72.989775][ T5062] __sock_sendmsg+0xd5/0x180 [ 72.994373][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 72.999146][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 73.004614][ T5062] ? kernel_sendmsg+0x50/0x50 [ 73.009296][ T5062] ? hlock_class+0x4e/0x130 [ 73.013818][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 73.018505][ T5062] ? do_recvmmsg+0x740/0x740 [ 73.023133][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.028597][ T5062] ? __fget_light+0x1fc/0x260 [ 73.033281][ T5062] __sys_sendmsg+0x117/0x1e0 [ 73.037881][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 73.042928][ T5062] ? ptrace_notify+0xf4/0x130 [ 73.047611][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.053866][ T5062] do_syscall_64+0x40/0x110 [ 73.058379][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.064286][ T5062] RIP: 0033:0x7fe4880faf49 [ 73.068718][ 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 [ 73.088340][ T5062] RSP: 002b:00007ffe469e30e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.096762][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe4880faf49 [ 73.104826][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.112799][ T5062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556ead610 [ 73.120771][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.128743][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.136728][ T5062] [ 73.139921][ T5062] Kernel Offset: disabled [ 73.144312][ T5062] Rebooting in 86400 seconds..