./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1027599526 <...> Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. execve("./syz-executor1027599526", ["./syz-executor1027599526"], 0x7fff135c2de0 /* 10 vars */) = 0 brk(NULL) = 0x555556b52000 brk(0x555556b52d00) = 0x555556b52d00 arch_prctl(ARCH_SET_FS, 0x555556b52380) = 0 set_tid_address(0x555556b52650) = 5066 set_robust_list(0x555556b52660, 24) = 0 rseq(0x555556b52ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1027599526", 4096) = 28 getrandom("\xd5\xe4\xf5\x01\xcd\x8e\x96\xef", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b52d00 brk(0x555556b73d00) = 0x555556b73d00 brk(0x555556b74000) = 0x555556b74000 mprotect(0x7efddfc94000, 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=0x555556b52650) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x555556b52660, 24) = 0 [pid 5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setsid() = 1 [pid 5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5067] unshare(CLONE_NEWNS) = 0 [pid 5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5067] unshare(CLONE_NEWIPC) = 0 [pid 5067] unshare(CLONE_NEWCGROUP) = 0 [pid 5067] unshare(CLONE_NEWUTS) = 0 [pid 5067] unshare(CLONE_SYSVSEM) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "16777216", 8) = 8 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "536870912", 9) = 9 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "8192", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5067] close(3) = 0 [pid 5067] getpid() = 1 [pid 5067] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [pid 5070] ioctl(-1, SIOCGIFINDEX, NULL) = -1 EBADF (Bad file descriptor) [ 95.333441][ T5070] ------------[ cut here ]------------ [ 95.339031][ T5070] WARNING: CPU: 1 PID: 5070 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 95.349298][ T5070] Modules linked in: [ 95.353207][ T5070] CPU: 1 PID: 5070 Comm: syz-executor102 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 95.363693][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 95.373895][ T5070] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 95.380481][ T5070] 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 [ 95.400217][ T5070] RSP: 0018:ffffc90003a3f1b0 EFLAGS: 00010293 [ 95.406374][ T5070] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 95.414381][ T5070] RDX: ffff88801eef0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 95.422473][ T5070] RBP: ffffc90003a3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 95.430566][ T5070] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 95.438641][ T5070] R13: ffff88802403d02c R14: ffffc90003a3f35c R15: ffff88802403d000 [ 95.446697][ T5070] FS: 0000555556b52380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 95.456072][ T5070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.462704][ T5070] CR2: 000000000045ad50 CR3: 000000001f09f000 CR4: 00000000003506f0 [ 95.470762][ T5070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.478806][ T5070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.486841][ T5070] Call Trace: [ 95.490151][ T5070] [ 95.493094][ T5070] ? show_regs+0x8f/0xa0 [ 95.497415][ T5070] ? __warn+0xe6/0x390 [ 95.501539][ T5070] ? ip6_route_info_create+0x1a1a/0x1f10 [ 95.507252][ T5070] ? report_bug+0x3bc/0x580 [ 95.511808][ T5070] ? handle_bug+0x3d/0x70 [ 95.516231][ T5070] ? exc_invalid_op+0x17/0x40 [ 95.520989][ T5070] ? asm_exc_invalid_op+0x1a/0x20 [ 95.526146][ T5070] ? ip6_route_info_create+0x19c8/0x1f10 [ 95.531836][ T5070] ? ip6_route_info_create+0x1a19/0x1f10 [ 95.537564][ T5070] ? ip6_route_info_create+0x1a1a/0x1f10 [ 95.543258][ T5070] ? fib6_nh_init+0x1db0/0x1db0 [ 95.548214][ T5070] ? reacquire_held_locks+0x4c0/0x4c0 [ 95.553656][ T5070] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 95.559648][ T5070] ? reacquire_held_locks+0x4c0/0x4c0 [ 95.565107][ T5070] ip6_route_add+0x26/0x1f0 [ 95.569656][ T5070] addrconf_prefix_route+0x2fe/0x510 [ 95.575036][ T5070] ? addrconf_add_mroute+0x350/0x350 [ 95.580402][ T5070] inet6_addr_add+0x605/0xbe0 [ 95.585183][ T5070] inet6_rtm_newaddr+0x11da/0x1ab0 [ 95.590361][ T5070] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 95.596518][ T5070] ? trace_contention_end+0xd6/0x100 [ 95.601860][ T5070] ? __mutex_lock+0x1a6/0x9d0 [ 95.606662][ T5070] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 95.612800][ T5070] rtnetlink_rcv_msg+0x3c7/0xe00 [ 95.617871][ T5070] ? rtnl_fill_vf+0x490/0x490 [ 95.622601][ T5070] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 95.628686][ T5070] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 95.634798][ T5070] netlink_rcv_skb+0x16b/0x440 [ 95.639637][ T5070] ? rtnl_fill_vf+0x490/0x490 [ 95.644363][ T5070] ? netlink_ack+0x1380/0x1380 [ 95.649210][ T5070] ? lock_sync+0x190/0x190 [ 95.653712][ T5070] ? netlink_deliver_tap+0x1a0/0xd00 [ 95.659079][ T5070] ? _copy_from_iter+0x2c1/0x10f0 [ 95.664174][ T5070] netlink_unicast+0x53b/0x810 [ 95.669048][ T5070] ? netlink_attachskb+0x880/0x880 [ 95.674229][ T5070] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 95.680262][ T5070] ? __phys_addr_symbol+0x30/0x70 [ 95.685370][ T5070] ? __check_object_size+0x323/0x730 [ 95.690693][ T5070] netlink_sendmsg+0x8b7/0xd70 [ 95.695564][ T5070] ? netlink_unicast+0x810/0x810 [ 95.700579][ T5070] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 95.705963][ T5070] ? netlink_unicast+0x810/0x810 [ 95.710971][ T5070] __sock_sendmsg+0xd5/0x180 [ 95.715665][ T5070] ____sys_sendmsg+0x6ac/0x940 [ 95.720480][ T5070] ? copy_msghdr_from_user+0x10b/0x160 [ 95.726015][ T5070] ? kernel_sendmsg+0x50/0x50 [ 95.730737][ T5070] ? hlock_class+0x4e/0x130 [ 95.735333][ T5070] ___sys_sendmsg+0x135/0x1d0 [ 95.740062][ T5070] ? do_recvmmsg+0x740/0x740 [ 95.744806][ T5070] ? recalc_sigpending_tsk+0x187/0x1d0 [ 95.750315][ T5070] ? __fget_light+0x1fc/0x260 [ 95.755080][ T5070] __sys_sendmsg+0x117/0x1e0 [ 95.759737][ T5070] ? __sys_sendmsg_sock+0x30/0x30 [ 95.764860][ T5070] ? ptrace_notify+0xf4/0x130 [ 95.769657][ T5070] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 95.776009][ T5070] do_syscall_64+0x40/0x110 [ 95.780587][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 95.786594][ T5070] RIP: 0033:0x7efddfc20f89 [ 95.791061][ T5070] 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 [ 95.810786][ T5070] RSP: 002b:00007ffe2a8ff428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.819312][ T5070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efddfc20f89 [ 95.827376][ T5070] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 95.835799][ T5070] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556b53610 [ 95.843798][ T5070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.851846][ T5070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 95.859912][ T5070] [ 95.862983][ T5070] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 95.870287][ T5070] CPU: 1 PID: 5070 Comm: syz-executor102 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 95.880714][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 95.890799][ T5070] Call Trace: [ 95.894085][ T5070] [ 95.897023][ T5070] dump_stack_lvl+0xd9/0x1b0 [ 95.901638][ T5070] panic+0x6dc/0x790 [ 95.905558][ T5070] ? panic_smp_self_stop+0xa0/0xa0 [ 95.910724][ T5070] ? show_trace_log_lvl+0x363/0x4f0 [ 95.915973][ T5070] ? check_panic_on_warn+0x1f/0xb0 [ 95.921142][ T5070] ? ip6_route_info_create+0x1a1a/0x1f10 [ 95.926833][ T5070] check_panic_on_warn+0xab/0xb0 [ 95.931812][ T5070] __warn+0xf2/0x390 [ 95.935754][ T5070] ? ip6_route_info_create+0x1a1a/0x1f10 [ 95.941443][ T5070] report_bug+0x3bc/0x580 [ 95.945842][ T5070] handle_bug+0x3d/0x70 [ 95.950040][ T5070] exc_invalid_op+0x17/0x40 [ 95.954652][ T5070] asm_exc_invalid_op+0x1a/0x20 [ 95.959533][ T5070] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 95.965813][ T5070] 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 [ 95.985455][ T5070] RSP: 0018:ffffc90003a3f1b0 EFLAGS: 00010293 [ 95.991545][ T5070] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 95.999559][ T5070] RDX: ffff88801eef0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 96.007567][ T5070] RBP: ffffc90003a3f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 96.015575][ T5070] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 96.023593][ T5070] R13: ffff88802403d02c R14: ffffc90003a3f35c R15: ffff88802403d000 [ 96.031603][ T5070] ? ip6_route_info_create+0x19c8/0x1f10 [ 96.037277][ T5070] ? ip6_route_info_create+0x1a19/0x1f10 [ 96.042973][ T5070] ? fib6_nh_init+0x1db0/0x1db0 [ 96.047863][ T5070] ? reacquire_held_locks+0x4c0/0x4c0 [ 96.053292][ T5070] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 96.059139][ T5070] ? reacquire_held_locks+0x4c0/0x4c0 [ 96.064560][ T5070] ip6_route_add+0x26/0x1f0 [ 96.069111][ T5070] addrconf_prefix_route+0x2fe/0x510 [ 96.074434][ T5070] ? addrconf_add_mroute+0x350/0x350 [ 96.079784][ T5070] inet6_addr_add+0x605/0xbe0 [ 96.084507][ T5070] inet6_rtm_newaddr+0x11da/0x1ab0 [ 96.089676][ T5070] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 96.095798][ T5070] ? trace_contention_end+0xd6/0x100 [ 96.101127][ T5070] ? __mutex_lock+0x1a6/0x9d0 [ 96.105897][ T5070] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 96.112016][ T5070] rtnetlink_rcv_msg+0x3c7/0xe00 [ 96.117001][ T5070] ? rtnl_fill_vf+0x490/0x490 [ 96.121709][ T5070] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 96.127741][ T5070] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 96.133807][ T5070] netlink_rcv_skb+0x16b/0x440 [ 96.138617][ T5070] ? rtnl_fill_vf+0x490/0x490 [ 96.143339][ T5070] ? netlink_ack+0x1380/0x1380 [ 96.148150][ T5070] ? lock_sync+0x190/0x190 [ 96.152634][ T5070] ? netlink_deliver_tap+0x1a0/0xd00 [ 96.157963][ T5070] ? _copy_from_iter+0x2c1/0x10f0 [ 96.163034][ T5070] netlink_unicast+0x53b/0x810 [ 96.167882][ T5070] ? netlink_attachskb+0x880/0x880 [ 96.173034][ T5070] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 96.178963][ T5070] ? __phys_addr_symbol+0x30/0x70 [ 96.184032][ T5070] ? __check_object_size+0x323/0x730 [ 96.189350][ T5070] netlink_sendmsg+0x8b7/0xd70 [ 96.194170][ T5070] ? netlink_unicast+0x810/0x810 [ 96.199168][ T5070] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 96.204489][ T5070] ? netlink_unicast+0x810/0x810 [ 96.209471][ T5070] __sock_sendmsg+0xd5/0x180 [ 96.214096][ T5070] ____sys_sendmsg+0x6ac/0x940 [ 96.218893][ T5070] ? copy_msghdr_from_user+0x10b/0x160 [ 96.224382][ T5070] ? kernel_sendmsg+0x50/0x50 [ 96.229082][ T5070] ? hlock_class+0x4e/0x130 [ 96.233635][ T5070] ___sys_sendmsg+0x135/0x1d0 [ 96.238348][ T5070] ? do_recvmmsg+0x740/0x740 [ 96.242993][ T5070] ? recalc_sigpending_tsk+0x187/0x1d0 [ 96.248471][ T5070] ? __fget_light+0x1fc/0x260 [ 96.253170][ T5070] __sys_sendmsg+0x117/0x1e0 [ 96.257899][ T5070] ? __sys_sendmsg_sock+0x30/0x30 [ 96.262973][ T5070] ? ptrace_notify+0xf4/0x130 [ 96.267679][ T5070] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 96.273953][ T5070] do_syscall_64+0x40/0x110 [ 96.278486][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 96.284416][ T5070] RIP: 0033:0x7efddfc20f89 [ 96.288855][ T5070] 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 [ 96.308517][ T5070] RSP: 002b:00007ffe2a8ff428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.316949][ T5070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efddfc20f89 [ 96.324949][ T5070] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 96.332934][ T5070] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556b53610 [ 96.340916][ T5070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.348901][ T5070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.356906][ T5070] [ 96.360230][ T5070] Kernel Offset: disabled [ 96.364698][ T5070] Rebooting in 86400 seconds..