./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor648957389 <...> Warning: Permanently added '10.128.1.185' (ED25519) to the list of known hosts. execve("./syz-executor648957389", ["./syz-executor648957389"], 0x7ffcf0b271c0 /* 10 vars */) = 0 brk(NULL) = 0x555556509000 brk(0x555556509d00) = 0x555556509d00 arch_prctl(ARCH_SET_FS, 0x555556509380) = 0 set_tid_address(0x555556509650) = 5059 set_robust_list(0x555556509660, 24) = 0 rseq(0x555556509ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor648957389", 4096) = 27 getrandom("\x53\xf7\x7e\x53\x41\xcb\x41\xc7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556509d00 brk(0x55555652ad00) = 0x55555652ad00 brk(0x55555652b000) = 0x55555652b000 mprotect(0x7f17ef14e000, 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 5060 attached , child_tidptr=0x555556509650) = 5060 [pid 5060] set_robust_list(0x555556509660, 24) = 0 [pid 5060] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setsid() = 1 [pid 5060] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5060] unshare(CLONE_NEWNS) = 0 [pid 5060] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5060] unshare(CLONE_NEWIPC) = 0 [pid 5060] unshare(CLONE_NEWCGROUP) = 0 [pid 5060] unshare(CLONE_NEWUTS) = 0 [pid 5060] unshare(CLONE_SYSVSEM) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "16777216", 8) = 8 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "536870912", 9) = 9 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "8192", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5060] close(3) = 0 [pid 5060] getpid() = 1 [pid 5060] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 74.904539][ T5063] ------------[ cut here ]------------ [ 74.910037][ T5063] WARNING: CPU: 0 PID: 5063 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 74.920287][ T5063] Modules linked in: [ 74.924224][ T5063] CPU: 0 PID: 5063 Comm: syz-executor648 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.934678][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.944783][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.951039][ T5063] 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 [ 74.970778][ T5063] RSP: 0018:ffffc90003ad71b0 EFLAGS: 00010293 [ 74.976884][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.984897][ T5063] RDX: ffff888025008000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.992882][ T5063] RBP: ffffc90003ad72a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.000887][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.008921][ T5063] R13: ffff888018f0002c R14: ffffc90003ad735c R15: ffff888018f00000 [ 75.016945][ T5063] FS: 0000555556509380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.025950][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.032578][ T5063] CR2: 0000000000000000 CR3: 000000007a5b7000 CR4: 00000000003506f0 [ 75.040650][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.048671][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.056689][ T5063] Call Trace: [ 75.060000][ T5063] [ 75.062924][ T5063] ? show_regs+0x8f/0xa0 [ 75.067221][ T5063] ? __warn+0xe6/0x390 [ 75.071318][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.076998][ T5063] ? report_bug+0x3bc/0x580 [ 75.081576][ T5063] ? handle_bug+0x3d/0x70 [ 75.085964][ T5063] ? exc_invalid_op+0x17/0x40 [ 75.090662][ T5063] ? asm_exc_invalid_op+0x1a/0x20 [ 75.095725][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.101377][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.107055][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.112716][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 75.117603][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.123001][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.128847][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.134269][ T5063] ip6_route_add+0x26/0x1f0 [ 75.138772][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 75.144114][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 75.149466][ T5063] inet6_addr_add+0x605/0xbe0 [ 75.154234][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.159394][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.165544][ T5063] ? trace_contention_end+0xd6/0x100 [ 75.170856][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 75.175635][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.181731][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.186713][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 75.191434][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.197469][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.203524][ T5063] netlink_rcv_skb+0x16b/0x440 [ 75.208322][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 75.213010][ T5063] ? netlink_ack+0x1380/0x1380 [ 75.217892][ T5063] ? lock_sync+0x190/0x190 [ 75.222381][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.227726][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 75.232787][ T5063] netlink_unicast+0x53b/0x810 [ 75.237603][ T5063] ? netlink_attachskb+0x880/0x880 [ 75.242738][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.248677][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 75.253763][ T5063] ? __check_object_size+0x323/0x730 [ 75.259066][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 75.263908][ T5063] ? netlink_unicast+0x810/0x810 [ 75.268894][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.274225][ T5063] ? netlink_unicast+0x810/0x810 [ 75.279165][ T5063] __sock_sendmsg+0xd5/0x180 [ 75.283815][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 75.288598][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 75.294163][ T5063] ? kernel_sendmsg+0x50/0x50 [ 75.298881][ T5063] ? hlock_class+0x4e/0x130 [ 75.303481][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 75.308190][ T5063] ? do_recvmmsg+0x740/0x740 [ 75.312793][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.318287][ T5063] ? __fget_light+0x1fc/0x260 [ 75.322983][ T5063] __sys_sendmsg+0x117/0x1e0 [ 75.327616][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 75.332671][ T5063] ? ptrace_notify+0xf4/0x130 [ 75.337385][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.343731][ T5063] do_syscall_64+0x40/0x110 [ 75.348235][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.354170][ T5063] RIP: 0033:0x7f17ef0daf49 [ 75.358597][ T5063] 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 [ 75.378270][ T5063] RSP: 002b:00007ffc235bf588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.386736][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17ef0daf49 [ 75.394764][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.402929][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555650a610 [ 75.410985][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.419317][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc235bf5a0 [ 75.427353][ T5063] [ 75.430382][ T5063] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.437662][ T5063] CPU: 0 PID: 5063 Comm: syz-executor648 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.448085][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.458130][ T5063] Call Trace: [ 75.461432][ T5063] [ 75.464353][ T5063] dump_stack_lvl+0xd9/0x1b0 [ 75.468942][ T5063] panic+0x6dc/0x790 [ 75.472836][ T5063] ? panic_smp_self_stop+0xa0/0xa0 [ 75.477976][ T5063] ? show_trace_log_lvl+0x363/0x4f0 [ 75.483179][ T5063] ? check_panic_on_warn+0x1f/0xb0 [ 75.488299][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.493928][ T5063] check_panic_on_warn+0xab/0xb0 [ 75.498888][ T5063] __warn+0xf2/0x390 [ 75.502800][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.508428][ T5063] report_bug+0x3bc/0x580 [ 75.512757][ T5063] handle_bug+0x3d/0x70 [ 75.516914][ T5063] exc_invalid_op+0x17/0x40 [ 75.521465][ T5063] asm_exc_invalid_op+0x1a/0x20 [ 75.526324][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.532573][ T5063] 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 [ 75.552880][ T5063] RSP: 0018:ffffc90003ad71b0 EFLAGS: 00010293 [ 75.558951][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.567021][ T5063] RDX: ffff888025008000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.574997][ T5063] RBP: ffffc90003ad72a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.582971][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.590942][ T5063] R13: ffff888018f0002c R14: ffffc90003ad735c R15: ffff888018f00000 [ 75.598925][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.604571][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.610223][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 75.615080][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.620472][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.626301][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.631694][ T5063] ip6_route_add+0x26/0x1f0 [ 75.636207][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 75.641508][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 75.646832][ T5063] inet6_addr_add+0x605/0xbe0 [ 75.651537][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.656666][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.662747][ T5063] ? trace_contention_end+0xd6/0x100 [ 75.668047][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 75.672767][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.678846][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.683796][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 75.688481][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.694476][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.700479][ T5063] netlink_rcv_skb+0x16b/0x440 [ 75.705256][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 75.709942][ T5063] ? netlink_ack+0x1380/0x1380 [ 75.714775][ T5063] ? lock_sync+0x190/0x190 [ 75.719216][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.724516][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 75.729575][ T5063] netlink_unicast+0x53b/0x810 [ 75.734356][ T5063] ? netlink_attachskb+0x880/0x880 [ 75.739487][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.745564][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 75.750609][ T5063] ? __check_object_size+0x323/0x730 [ 75.755909][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 75.760691][ T5063] ? netlink_unicast+0x810/0x810 [ 75.765645][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.770939][ T5063] ? netlink_unicast+0x810/0x810 [ 75.775913][ T5063] __sock_sendmsg+0xd5/0x180 [ 75.780528][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 75.785301][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 75.790773][ T5063] ? kernel_sendmsg+0x50/0x50 [ 75.795456][ T5063] ? hlock_class+0x4e/0x130 [ 75.799980][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 75.804676][ T5063] ? do_recvmmsg+0x740/0x740 [ 75.809314][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.814788][ T5063] ? __fget_light+0x1fc/0x260 [ 75.819481][ T5063] __sys_sendmsg+0x117/0x1e0 [ 75.824091][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 75.829167][ T5063] ? ptrace_notify+0xf4/0x130 [ 75.833864][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.840123][ T5063] do_syscall_64+0x40/0x110 [ 75.844643][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.850558][ T5063] RIP: 0033:0x7f17ef0daf49 [ 75.854981][ T5063] 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 [ 75.874595][ T5063] RSP: 002b:00007ffc235bf588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.883011][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17ef0daf49 [ 75.890985][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.898957][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555650a610 [ 75.907017][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.914993][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc235bf5a0 [ 75.922999][ T5063] [ 75.926330][ T5063] Kernel Offset: disabled [ 75.930765][ T5063] Rebooting in 86400 seconds..