./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1506753942 <...> Warning: Permanently added '10.128.1.45' (ED25519) to the list of known hosts. execve("./syz-executor1506753942", ["./syz-executor1506753942"], 0x7ffc6afe2b50 /* 10 vars */) = 0 brk(NULL) = 0x555555684000 brk(0x555555684d00) = 0x555555684d00 arch_prctl(ARCH_SET_FS, 0x555555684380) = 0 set_tid_address(0x555555684650) = 5057 set_robust_list(0x555555684660, 24) = 0 rseq(0x555555684ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1506753942", 4096) = 28 getrandom("\xb1\x78\xd9\xc6\xbb\x7b\x10\x4a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555684d00 brk(0x5555556a5d00) = 0x5555556a5d00 brk(0x5555556a6000) = 0x5555556a6000 mprotect(0x7ff4c4617000, 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 5058 attached , child_tidptr=0x555555684650) = 5058 [pid 5058] set_robust_list(0x555555684660, 24) = 0 [pid 5058] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] setsid() = 1 [pid 5058] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5058] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5058] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5058] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5058] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5058] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5058] unshare(CLONE_NEWNS) = 0 [pid 5058] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5058] unshare(CLONE_NEWIPC) = 0 [pid 5058] unshare(CLONE_NEWCGROUP) = 0 [pid 5058] unshare(CLONE_NEWUTS) = 0 [pid 5058] unshare(CLONE_SYSVSEM) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "16777216", 8) = 8 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "536870912", 9) = 9 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1024", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "8192", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1024", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1024", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5058] close(3) = 0 [pid 5058] getpid() = 1 [pid 5058] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 74.540970][ T5061] ------------[ cut here ]------------ [ 74.546521][ T5061] WARNING: CPU: 0 PID: 5061 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 74.556819][ T5061] Modules linked in: [ 74.560731][ T5061] CPU: 0 PID: 5061 Comm: syz-executor150 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.571247][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.581359][ T5061] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.587653][ T5061] 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 [ 74.607390][ T5061] RSP: 0018:ffffc90003a2f1b0 EFLAGS: 00010293 [ 74.613529][ T5061] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.621584][ T5061] RDX: ffff888024a8bb80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.629646][ T5061] RBP: ffffc90003a2f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.637682][ T5061] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.645721][ T5061] R13: ffff88801f3b402c R14: ffffc90003a2f35c R15: ffff88801f3b4000 [ 74.653707][ T5061] FS: 0000555555684380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 74.662685][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.669339][ T5061] CR2: 0000000000000000 CR3: 00000000772b9000 CR4: 00000000003506f0 [ 74.677357][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.685377][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.693359][ T5061] Call Trace: [ 74.696700][ T5061] [ 74.699640][ T5061] ? show_regs+0x8f/0xa0 [ 74.703880][ T5061] ? __warn+0xe6/0x390 [ 74.708013][ T5061] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.713667][ T5061] ? report_bug+0x3bc/0x580 [ 74.718243][ T5061] ? handle_bug+0x3d/0x70 [ 74.722601][ T5061] ? exc_invalid_op+0x17/0x40 [ 74.727347][ T5061] ? asm_exc_invalid_op+0x1a/0x20 [ 74.732406][ T5061] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.738080][ T5061] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.743741][ T5061] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.749451][ T5061] ? fib6_nh_init+0x1db0/0x1db0 [ 74.754328][ T5061] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.759765][ T5061] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.765673][ T5061] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.771077][ T5061] ip6_route_add+0x26/0x1f0 [ 74.776679][ T5061] addrconf_prefix_route+0x2fe/0x510 [ 74.782006][ T5061] ? addrconf_add_mroute+0x350/0x350 [ 74.787435][ T5061] inet6_addr_add+0x605/0xbe0 [ 74.792147][ T5061] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.797392][ T5061] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.803484][ T5061] ? trace_contention_end+0xd6/0x100 [ 74.808839][ T5061] ? __mutex_lock+0x1a6/0x9d0 [ 74.813554][ T5061] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.819759][ T5061] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.824755][ T5061] ? rtnl_fill_vf+0x490/0x490 [ 74.829452][ T5061] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.835486][ T5061] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.841498][ T5061] netlink_rcv_skb+0x16b/0x440 [ 74.846337][ T5061] ? rtnl_fill_vf+0x490/0x490 [ 74.851034][ T5061] ? netlink_ack+0x1380/0x1380 [ 74.855856][ T5061] ? lock_sync+0x190/0x190 [ 74.860305][ T5061] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.865653][ T5061] ? _copy_from_iter+0x2c1/0x10f0 [ 74.870707][ T5061] netlink_unicast+0x53b/0x810 [ 74.875545][ T5061] ? netlink_attachskb+0x880/0x880 [ 74.880775][ T5061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.886730][ T5061] ? __phys_addr_symbol+0x30/0x70 [ 74.891776][ T5061] ? __check_object_size+0x323/0x730 [ 74.897132][ T5061] netlink_sendmsg+0x8b7/0xd70 [ 74.901928][ T5061] ? netlink_unicast+0x810/0x810 [ 74.906968][ T5061] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.912283][ T5061] ? netlink_unicast+0x810/0x810 [ 74.917290][ T5061] __sock_sendmsg+0xd5/0x180 [ 74.921898][ T5061] ____sys_sendmsg+0x6ac/0x940 [ 74.926724][ T5061] ? copy_msghdr_from_user+0x10b/0x160 [ 74.932203][ T5061] ? kernel_sendmsg+0x50/0x50 [ 74.936920][ T5061] ? hlock_class+0x4e/0x130 [ 74.941451][ T5061] ___sys_sendmsg+0x135/0x1d0 [ 74.946191][ T5061] ? do_recvmmsg+0x740/0x740 [ 74.950839][ T5061] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.956360][ T5061] ? __fget_light+0x1fc/0x260 [ 74.961053][ T5061] __sys_sendmsg+0x117/0x1e0 [ 74.965714][ T5061] ? __sys_sendmsg_sock+0x30/0x30 [ 74.970768][ T5061] ? ptrace_notify+0xf4/0x130 [ 74.975492][ T5061] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.981757][ T5061] do_syscall_64+0x40/0x110 [ 74.986374][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.992298][ T5061] RIP: 0033:0x7ff4c45a3f49 [ 74.996750][ T5061] 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 [ 75.016444][ T5061] RSP: 002b:00007ffd6a516bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.024918][ T5061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4c45a3f49 [ 75.032901][ T5061] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.040966][ T5061] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555685610 [ 75.049406][ T5061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.057437][ T5061] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd6a516bf0 [ 75.065488][ T5061] [ 75.068515][ T5061] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.075802][ T5061] CPU: 0 PID: 5061 Comm: syz-executor150 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.086200][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.096242][ T5061] Call Trace: [ 75.099511][ T5061] [ 75.102427][ T5061] dump_stack_lvl+0xd9/0x1b0 [ 75.107017][ T5061] panic+0x6dc/0x790 [ 75.110935][ T5061] ? panic_smp_self_stop+0xa0/0xa0 [ 75.116055][ T5061] ? show_trace_log_lvl+0x363/0x4f0 [ 75.121272][ T5061] ? check_panic_on_warn+0x1f/0xb0 [ 75.126390][ T5061] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.132037][ T5061] check_panic_on_warn+0xab/0xb0 [ 75.136977][ T5061] __warn+0xf2/0x390 [ 75.140867][ T5061] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.146520][ T5061] report_bug+0x3bc/0x580 [ 75.150891][ T5061] handle_bug+0x3d/0x70 [ 75.155068][ T5061] exc_invalid_op+0x17/0x40 [ 75.159575][ T5061] asm_exc_invalid_op+0x1a/0x20 [ 75.164435][ T5061] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.170684][ T5061] 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 [ 75.190294][ T5061] RSP: 0018:ffffc90003a2f1b0 EFLAGS: 00010293 [ 75.196370][ T5061] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.204343][ T5061] RDX: ffff888024a8bb80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.212316][ T5061] RBP: ffffc90003a2f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.220289][ T5061] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.228263][ T5061] R13: ffff88801f3b402c R14: ffffc90003a2f35c R15: ffff88801f3b4000 [ 75.236244][ T5061] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.241892][ T5061] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.247555][ T5061] ? fib6_nh_init+0x1db0/0x1db0 [ 75.252413][ T5061] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.257798][ T5061] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.263617][ T5061] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.269006][ T5061] ip6_route_add+0x26/0x1f0 [ 75.273523][ T5061] addrconf_prefix_route+0x2fe/0x510 [ 75.278821][ T5061] ? addrconf_add_mroute+0x350/0x350 [ 75.284141][ T5061] inet6_addr_add+0x605/0xbe0 [ 75.288841][ T5061] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.293968][ T5061] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.300046][ T5061] ? trace_contention_end+0xd6/0x100 [ 75.305339][ T5061] ? __mutex_lock+0x1a6/0x9d0 [ 75.310053][ T5061] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.316134][ T5061] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.321083][ T5061] ? rtnl_fill_vf+0x490/0x490 [ 75.325773][ T5061] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.331786][ T5061] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.337789][ T5061] netlink_rcv_skb+0x16b/0x440 [ 75.342567][ T5061] ? rtnl_fill_vf+0x490/0x490 [ 75.347251][ T5061] ? netlink_ack+0x1380/0x1380 [ 75.352028][ T5061] ? lock_sync+0x190/0x190 [ 75.356485][ T5061] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.361793][ T5061] ? _copy_from_iter+0x2c1/0x10f0 [ 75.366839][ T5061] netlink_unicast+0x53b/0x810 [ 75.371639][ T5061] ? netlink_attachskb+0x880/0x880 [ 75.376766][ T5061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.382675][ T5061] ? __phys_addr_symbol+0x30/0x70 [ 75.387711][ T5061] ? __check_object_size+0x323/0x730 [ 75.393012][ T5061] netlink_sendmsg+0x8b7/0xd70 [ 75.397795][ T5061] ? netlink_unicast+0x810/0x810 [ 75.402751][ T5061] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.408044][ T5061] ? netlink_unicast+0x810/0x810 [ 75.412999][ T5061] __sock_sendmsg+0xd5/0x180 [ 75.417596][ T5061] ____sys_sendmsg+0x6ac/0x940 [ 75.422368][ T5061] ? copy_msghdr_from_user+0x10b/0x160 [ 75.427839][ T5061] ? kernel_sendmsg+0x50/0x50 [ 75.432519][ T5061] ? hlock_class+0x4e/0x130 [ 75.437047][ T5061] ___sys_sendmsg+0x135/0x1d0 [ 75.441739][ T5061] ? do_recvmmsg+0x740/0x740 [ 75.446364][ T5061] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.451827][ T5061] ? __fget_light+0x1fc/0x260 [ 75.456517][ T5061] __sys_sendmsg+0x117/0x1e0 [ 75.461116][ T5061] ? __sys_sendmsg_sock+0x30/0x30 [ 75.466163][ T5061] ? ptrace_notify+0xf4/0x130 [ 75.470846][ T5061] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.477100][ T5061] do_syscall_64+0x40/0x110 [ 75.481617][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.487527][ T5061] RIP: 0033:0x7ff4c45a3f49 [ 75.491942][ T5061] 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 [ 75.511556][ T5061] RSP: 002b:00007ffd6a516bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.519971][ T5061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4c45a3f49 [ 75.527948][ T5061] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.535935][ T5061] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555685610 [ 75.543935][ T5061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.551915][ T5061] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd6a516bf0 [ 75.560178][ T5061] [ 75.563383][ T5061] Kernel Offset: disabled [ 75.567792][ T5061] Rebooting in 86400 seconds..