./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3283684987 <...> Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. execve("./syz-executor3283684987", ["./syz-executor3283684987"], 0x7fff0dd4d610 /* 10 vars */) = 0 brk(NULL) = 0x5555559f1000 brk(0x5555559f1d00) = 0x5555559f1d00 arch_prctl(ARCH_SET_FS, 0x5555559f1380) = 0 set_tid_address(0x5555559f1650) = 5060 set_robust_list(0x5555559f1660, 24) = 0 rseq(0x5555559f1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3283684987", 4096) = 28 getrandom("\x06\x64\xf2\x85\xd3\xf4\x53\x26", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555559f1d00 brk(0x555555a12d00) = 0x555555a12d00 brk(0x555555a13000) = 0x555555a13000 mprotect(0x7fa29a053000, 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=0x5555559f1650) = 5061 ./strace-static-x86_64: Process 5061 attached [pid 5061] set_robust_list(0x5555559f1660, 24) = 0 [pid 5061] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setsid() = 1 [pid 5061] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5061] unshare(CLONE_NEWNS) = 0 [pid 5061] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5061] unshare(CLONE_NEWIPC) = 0 [pid 5061] unshare(CLONE_NEWCGROUP) = 0 [pid 5061] unshare(CLONE_NEWUTS) = 0 [pid 5061] unshare(CLONE_SYSVSEM) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "16777216", 8) = 8 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "536870912", 9) = 9 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "8192", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5061] close(3) = 0 [pid 5061] getpid() = 1 [pid 5061] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 72.437440][ T5064] ------------[ cut here ]------------ [ 72.442931][ T5064] WARNING: CPU: 1 PID: 5064 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.453166][ T5064] Modules linked in: [ 72.457096][ T5064] CPU: 1 PID: 5064 Comm: syz-executor328 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.467534][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.477618][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.483875][ T5064] 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 [ 72.503580][ T5064] RSP: 0018:ffffc90003a971b0 EFLAGS: 00010293 [ 72.509682][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.517684][ T5064] RDX: ffff888075ec9dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.525698][ T5064] RBP: ffffc90003a972a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.533662][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.541670][ T5064] R13: ffff88801f1f982c R14: ffffc90003a9735c R15: ffff88801f1f9800 [ 72.549696][ T5064] FS: 00005555559f1380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 72.558969][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.565605][ T5064] CR2: 0000000000000000 CR3: 0000000075f6c000 CR4: 00000000003506f0 [ 72.573598][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.581628][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.589648][ T5064] Call Trace: [ 72.592932][ T5064] [ 72.595889][ T5064] ? show_regs+0x8f/0xa0 [ 72.600153][ T5064] ? __warn+0xe6/0x390 [ 72.604219][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.609891][ T5064] ? report_bug+0x3bc/0x580 [ 72.614415][ T5064] ? handle_bug+0x3d/0x70 [ 72.618790][ T5064] ? exc_invalid_op+0x17/0x40 [ 72.623499][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 72.628586][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.634242][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.639945][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.645622][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 72.650492][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.655918][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.661751][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.667166][ T5064] ip6_route_add+0x26/0x1f0 [ 72.671690][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 72.677022][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 72.682345][ T5064] inet6_addr_add+0x605/0xbe0 [ 72.687073][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.692224][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.698373][ T5064] ? trace_contention_end+0xd6/0x100 [ 72.703690][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 72.708466][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.714607][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.719560][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.724230][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.730249][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.736293][ T5064] netlink_rcv_skb+0x16b/0x440 [ 72.741063][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.745799][ T5064] ? netlink_ack+0x1380/0x1380 [ 72.750585][ T5064] ? lock_sync+0x190/0x190 [ 72.755065][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.760379][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 72.765450][ T5064] netlink_unicast+0x53b/0x810 [ 72.770241][ T5064] ? netlink_attachskb+0x880/0x880 [ 72.775389][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.781305][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 72.786368][ T5064] ? __check_object_size+0x323/0x730 [ 72.791685][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 72.796515][ T5064] ? netlink_unicast+0x810/0x810 [ 72.801481][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.806827][ T5064] ? netlink_unicast+0x810/0x810 [ 72.811788][ T5064] __sock_sendmsg+0xd5/0x180 [ 72.816440][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 72.821237][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 72.826743][ T5064] ? kernel_sendmsg+0x50/0x50 [ 72.831432][ T5064] ? hlock_class+0x4e/0x130 [ 72.835989][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 72.840686][ T5064] ? do_recvmmsg+0x740/0x740 [ 72.845343][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 72.850820][ T5064] ? __fget_light+0x1fc/0x260 [ 72.855558][ T5064] __sys_sendmsg+0x117/0x1e0 [ 72.860184][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 72.865259][ T5064] ? ptrace_notify+0xf4/0x130 [ 72.869955][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 72.876238][ T5064] do_syscall_64+0x40/0x110 [ 72.880762][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.886697][ T5064] RIP: 0033:0x7fa299fdff89 [ 72.891141][ T5064] 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 [ 72.910852][ T5064] RSP: 002b:00007fff83c38a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.919331][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa299fdff89 [ 72.927351][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 72.935397][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555559f2610 [ 72.943386][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.951795][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.959842][ T5064] [ 72.962873][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.970137][ T5064] CPU: 1 PID: 5064 Comm: syz-executor328 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.980542][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.990592][ T5064] Call Trace: [ 72.993876][ T5064] [ 72.996797][ T5064] dump_stack_lvl+0xd9/0x1b0 [ 73.001387][ T5064] panic+0x6dc/0x790 [ 73.005280][ T5064] ? panic_smp_self_stop+0xa0/0xa0 [ 73.010386][ T5064] ? show_trace_log_lvl+0x363/0x4f0 [ 73.015584][ T5064] ? check_panic_on_warn+0x1f/0xb0 [ 73.020693][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.026332][ T5064] check_panic_on_warn+0xab/0xb0 [ 73.031266][ T5064] __warn+0xf2/0x390 [ 73.035152][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.040779][ T5064] report_bug+0x3bc/0x580 [ 73.045103][ T5064] handle_bug+0x3d/0x70 [ 73.049250][ T5064] exc_invalid_op+0x17/0x40 [ 73.053758][ T5064] asm_exc_invalid_op+0x1a/0x20 [ 73.058634][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 73.064891][ T5064] 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 [ 73.084503][ T5064] RSP: 0018:ffffc90003a971b0 EFLAGS: 00010293 [ 73.090575][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 73.098551][ T5064] RDX: ffff888075ec9dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 73.106524][ T5064] RBP: ffffc90003a972a0 R08: 0000000000000005 R09: 0000000000000000 [ 73.114494][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 73.122473][ T5064] R13: ffff88801f1f982c R14: ffffc90003a9735c R15: ffff88801f1f9800 [ 73.130454][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.136099][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.141753][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 73.146613][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.151995][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 73.157811][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.163201][ T5064] ip6_route_add+0x26/0x1f0 [ 73.167713][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 73.173012][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 73.178344][ T5064] inet6_addr_add+0x605/0xbe0 [ 73.183037][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 73.188165][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.194244][ T5064] ? trace_contention_end+0xd6/0x100 [ 73.199537][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 73.204251][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 73.210327][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 73.215276][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 73.219962][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.225953][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.231953][ T5064] netlink_rcv_skb+0x16b/0x440 [ 73.236729][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 73.241415][ T5064] ? netlink_ack+0x1380/0x1380 [ 73.246187][ T5064] ? lock_sync+0x190/0x190 [ 73.250626][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 73.255921][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 73.260961][ T5064] netlink_unicast+0x53b/0x810 [ 73.265738][ T5064] ? netlink_attachskb+0x880/0x880 [ 73.270858][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 73.276759][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 73.281790][ T5064] ? __check_object_size+0x323/0x730 [ 73.287088][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 73.291867][ T5064] ? netlink_unicast+0x810/0x810 [ 73.296822][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.302113][ T5064] ? netlink_unicast+0x810/0x810 [ 73.307061][ T5064] __sock_sendmsg+0xd5/0x180 [ 73.311662][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 73.316432][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 73.321898][ T5064] ? kernel_sendmsg+0x50/0x50 [ 73.326580][ T5064] ? hlock_class+0x4e/0x130 [ 73.331106][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 73.335795][ T5064] ? do_recvmmsg+0x740/0x740 [ 73.340417][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.345879][ T5064] ? __fget_light+0x1fc/0x260 [ 73.350568][ T5064] __sys_sendmsg+0x117/0x1e0 [ 73.355168][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 73.360212][ T5064] ? ptrace_notify+0xf4/0x130 [ 73.364895][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.371146][ T5064] do_syscall_64+0x40/0x110 [ 73.375658][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.381567][ T5064] RIP: 0033:0x7fa299fdff89 [ 73.385985][ T5064] 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 [ 73.405593][ T5064] RSP: 002b:00007fff83c38a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.414006][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa299fdff89 [ 73.421996][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.429970][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555559f2610 [ 73.437939][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.445907][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.453888][ T5064] [ 73.457120][ T5064] Kernel Offset: disabled [ 73.461509][ T5064] Rebooting in 86400 seconds..