./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4014899644 <...> Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. execve("./syz-executor4014899644", ["./syz-executor4014899644"], 0x7ffc3a8aae20 /* 10 vars */) = 0 brk(NULL) = 0x555555a8b000 brk(0x555555a8bd00) = 0x555555a8bd00 arch_prctl(ARCH_SET_FS, 0x555555a8b380) = 0 set_tid_address(0x555555a8b650) = 5069 set_robust_list(0x555555a8b660, 24) = 0 rseq(0x555555a8bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4014899644", 4096) = 28 getrandom("\x91\x74\x3e\x32\x38\x6b\x2c\xb1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a8bd00 brk(0x555555aacd00) = 0x555555aacd00 brk(0x555555aad000) = 0x555555aad000 mprotect(0x7f4cb49db000, 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./strace-static-x86_64: Process 5070 attached , child_tidptr=0x555555a8b650) = 5070 [pid 5070] set_robust_list(0x555555a8b660, 24) = 0 [pid 5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setsid() = 1 [pid 5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5070] unshare(CLONE_NEWNS) = 0 [pid 5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5070] unshare(CLONE_NEWIPC) = 0 [pid 5070] unshare(CLONE_NEWCGROUP) = 0 [pid 5070] unshare(CLONE_NEWUTS) = 0 [pid 5070] unshare(CLONE_SYSVSEM) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "16777216", 8) = 8 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "536870912", 9) = 9 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "8192", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5070] close(3) = 0 [pid 5070] getpid() = 1 [pid 5070] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 72.908597][ T5073] ------------[ cut here ]------------ [ 72.914085][ T5073] WARNING: CPU: 1 PID: 5073 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.924402][ T5073] Modules linked in: [ 72.928358][ T5073] CPU: 1 PID: 5073 Comm: syz-executor401 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.938872][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.949165][ T5073] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.955408][ T5073] 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 [ 72.975186][ T5073] RSP: 0018:ffffc900040df1b0 EFLAGS: 00010293 [ 72.981317][ T5073] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.989372][ T5073] RDX: ffff888022e5d940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.997396][ T5073] RBP: ffffc900040df2a0 R08: 0000000000000005 R09: 0000000000000000 [ 73.005387][ T5073] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 73.013435][ T5073] R13: ffff888028fb5c2c R14: ffffc900040df35c R15: ffff888028fb5c00 [ 73.021445][ T5073] FS: 0000555555a8b380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 73.030442][ T5073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.037075][ T5073] CR2: 0000000000000000 CR3: 000000007aff9000 CR4: 00000000003506f0 [ 73.045044][ T5073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.053272][ T5073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.061286][ T5073] Call Trace: [ 73.064845][ T5073] [ 73.067842][ T5073] ? show_regs+0x8f/0xa0 [ 73.072107][ T5073] ? __warn+0xe6/0x390 [ 73.076223][ T5073] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.081876][ T5073] ? report_bug+0x3bc/0x580 [ 73.086456][ T5073] ? handle_bug+0x3d/0x70 [ 73.090808][ T5073] ? exc_invalid_op+0x17/0x40 [ 73.095479][ T5073] ? asm_exc_invalid_op+0x1a/0x20 [ 73.100551][ T5073] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.106256][ T5073] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.111890][ T5073] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.117605][ T5073] ? fib6_nh_init+0x1db0/0x1db0 [ 73.122484][ T5073] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.128252][ T5073] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 73.134092][ T5073] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.139587][ T5073] ip6_route_add+0x26/0x1f0 [ 73.144111][ T5073] addrconf_prefix_route+0x2fe/0x510 [ 73.149471][ T5073] ? addrconf_add_mroute+0x350/0x350 [ 73.154794][ T5073] inet6_addr_add+0x605/0xbe0 [ 73.159538][ T5073] inet6_rtm_newaddr+0x11da/0x1ab0 [ 73.164674][ T5073] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.170807][ T5073] ? trace_contention_end+0xd6/0x100 [ 73.176139][ T5073] ? __mutex_lock+0x1a6/0x9d0 [ 73.180828][ T5073] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.186956][ T5073] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.191928][ T5073] ? rtnl_fill_vf+0x490/0x490 [ 73.196653][ T5073] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.202658][ T5073] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.208722][ T5073] netlink_rcv_skb+0x16b/0x440 [ 73.213542][ T5073] ? rtnl_fill_vf+0x490/0x490 [ 73.218270][ T5073] ? netlink_ack+0x1380/0x1380 [ 73.223089][ T5073] ? lock_sync+0x190/0x190 [ 73.227602][ T5073] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.232923][ T5073] ? _copy_from_iter+0x2c1/0x10f0 [ 73.238010][ T5073] netlink_unicast+0x53b/0x810 [ 73.242800][ T5073] ? netlink_attachskb+0x880/0x880 [ 73.248090][ T5073] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.254019][ T5073] ? __phys_addr_symbol+0x30/0x70 [ 73.259104][ T5073] ? __check_object_size+0x323/0x730 [ 73.264412][ T5073] netlink_sendmsg+0x8b7/0xd70 [ 73.269275][ T5073] ? netlink_unicast+0x810/0x810 [ 73.274246][ T5073] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.279579][ T5073] ? netlink_unicast+0x810/0x810 [ 73.284542][ T5073] __sock_sendmsg+0xd5/0x180 [ 73.289210][ T5073] ____sys_sendmsg+0x6ac/0x940 [ 73.293990][ T5073] ? copy_msghdr_from_user+0x10b/0x160 [ 73.299497][ T5073] ? kernel_sendmsg+0x50/0x50 [ 73.304191][ T5073] ? hlock_class+0x4e/0x130 [ 73.308773][ T5073] ___sys_sendmsg+0x135/0x1d0 [ 73.313474][ T5073] ? do_recvmmsg+0x740/0x740 [ 73.318140][ T5073] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.323610][ T5073] ? __fget_light+0x1fc/0x260 [ 73.328359][ T5073] __sys_sendmsg+0x117/0x1e0 [ 73.332975][ T5073] ? __sys_sendmsg_sock+0x30/0x30 [ 73.338062][ T5073] ? ptrace_notify+0xf4/0x130 [ 73.342767][ T5073] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.349080][ T5073] do_syscall_64+0x40/0x110 [ 73.353607][ T5073] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.359555][ T5073] RIP: 0033:0x7f4cb4967f89 [ 73.363992][ T5073] 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 [ 73.383904][ T5073] RSP: 002b:00007ffcb4824378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.392431][ T5073] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4cb4967f89 [ 73.400495][ T5073] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.408532][ T5073] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a8c610 [ 73.416997][ T5073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.425006][ T5073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.433061][ T5073] [ 73.436133][ T5073] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.443403][ T5073] CPU: 1 PID: 5073 Comm: syz-executor401 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 73.453803][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 73.463860][ T5073] Call Trace: [ 73.467131][ T5073] [ 73.470050][ T5073] dump_stack_lvl+0xd9/0x1b0 [ 73.474637][ T5073] panic+0x6dc/0x790 [ 73.478530][ T5073] ? panic_smp_self_stop+0xa0/0xa0 [ 73.483632][ T5073] ? show_trace_log_lvl+0x363/0x4f0 [ 73.488832][ T5073] ? check_panic_on_warn+0x1f/0xb0 [ 73.493942][ T5073] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.499576][ T5073] check_panic_on_warn+0xab/0xb0 [ 73.504512][ T5073] __warn+0xf2/0x390 [ 73.508411][ T5073] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.514075][ T5073] report_bug+0x3bc/0x580 [ 73.518409][ T5073] handle_bug+0x3d/0x70 [ 73.522577][ T5073] exc_invalid_op+0x17/0x40 [ 73.527084][ T5073] asm_exc_invalid_op+0x1a/0x20 [ 73.531926][ T5073] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 73.538278][ T5073] 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 [ 73.557904][ T5073] RSP: 0018:ffffc900040df1b0 EFLAGS: 00010293 [ 73.563980][ T5073] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 73.571953][ T5073] RDX: ffff888022e5d940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 73.579948][ T5073] RBP: ffffc900040df2a0 R08: 0000000000000005 R09: 0000000000000000 [ 73.587930][ T5073] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 73.595913][ T5073] R13: ffff888028fb5c2c R14: ffffc900040df35c R15: ffff888028fb5c00 [ 73.603921][ T5073] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.609574][ T5073] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.615321][ T5073] ? fib6_nh_init+0x1db0/0x1db0 [ 73.620186][ T5073] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.625574][ T5073] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 73.631396][ T5073] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.636794][ T5073] ip6_route_add+0x26/0x1f0 [ 73.641320][ T5073] addrconf_prefix_route+0x2fe/0x510 [ 73.646638][ T5073] ? addrconf_add_mroute+0x350/0x350 [ 73.651967][ T5073] inet6_addr_add+0x605/0xbe0 [ 73.656695][ T5073] inet6_rtm_newaddr+0x11da/0x1ab0 [ 73.661844][ T5073] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.667945][ T5073] ? trace_contention_end+0xd6/0x100 [ 73.673246][ T5073] ? __mutex_lock+0x1a6/0x9d0 [ 73.677964][ T5073] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.684043][ T5073] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.688994][ T5073] ? rtnl_fill_vf+0x490/0x490 [ 73.693679][ T5073] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.699676][ T5073] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.705701][ T5073] netlink_rcv_skb+0x16b/0x440 [ 73.710496][ T5073] ? rtnl_fill_vf+0x490/0x490 [ 73.715197][ T5073] ? netlink_ack+0x1380/0x1380 [ 73.719984][ T5073] ? lock_sync+0x190/0x190 [ 73.724438][ T5073] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.729742][ T5073] ? _copy_from_iter+0x2c1/0x10f0 [ 73.734791][ T5073] netlink_unicast+0x53b/0x810 [ 73.739576][ T5073] ? netlink_attachskb+0x880/0x880 [ 73.744705][ T5073] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.750611][ T5073] ? __phys_addr_symbol+0x30/0x70 [ 73.755646][ T5073] ? __check_object_size+0x323/0x730 [ 73.760945][ T5073] netlink_sendmsg+0x8b7/0xd70 [ 73.765733][ T5073] ? netlink_unicast+0x810/0x810 [ 73.770704][ T5073] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.776013][ T5073] ? netlink_unicast+0x810/0x810 [ 73.780969][ T5073] __sock_sendmsg+0xd5/0x180 [ 73.785581][ T5073] ____sys_sendmsg+0x6ac/0x940 [ 73.790355][ T5073] ? copy_msghdr_from_user+0x10b/0x160 [ 73.796616][ T5073] ? kernel_sendmsg+0x50/0x50 [ 73.801299][ T5073] ? hlock_class+0x4e/0x130 [ 73.805833][ T5073] ___sys_sendmsg+0x135/0x1d0 [ 73.810529][ T5073] ? do_recvmmsg+0x740/0x740 [ 73.815159][ T5073] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.820634][ T5073] ? __fget_light+0x1fc/0x260 [ 73.825326][ T5073] __sys_sendmsg+0x117/0x1e0 [ 73.829940][ T5073] ? __sys_sendmsg_sock+0x30/0x30 [ 73.834992][ T5073] ? ptrace_notify+0xf4/0x130 [ 73.839679][ T5073] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.846028][ T5073] do_syscall_64+0x40/0x110 [ 73.850544][ T5073] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.856458][ T5073] RIP: 0033:0x7f4cb4967f89 [ 73.860880][ T5073] 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 [ 73.880493][ T5073] RSP: 002b:00007ffcb4824378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.888921][ T5073] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4cb4967f89 [ 73.896899][ T5073] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.904873][ T5073] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a8c610 [ 73.912847][ T5073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.920839][ T5073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.928828][ T5073] [ 73.932066][ T5073] Kernel Offset: disabled [ 73.936471][ T5073] Rebooting in 86400 seconds..