./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2811043004 <...> Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts. execve("./syz-executor2811043004", ["./syz-executor2811043004"], 0x7ffe684682e0 /* 10 vars */) = 0 brk(NULL) = 0x555556f4b000 brk(0x555556f4bd00) = 0x555556f4bd00 arch_prctl(ARCH_SET_FS, 0x555556f4b380) = 0 set_tid_address(0x555556f4b650) = 5059 set_robust_list(0x555556f4b660, 24) = 0 rseq(0x555556f4bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2811043004", 4096) = 28 getrandom("\x68\x91\x3c\xc6\xac\x0a\x19\x61", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f4bd00 brk(0x555556f6cd00) = 0x555556f6cd00 brk(0x555556f6d000) = 0x555556f6d000 mprotect(0x7fe8285e6000, 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=0x555556f4b650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x555556f4b660, 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 [ 70.711379][ T5063] ------------[ cut here ]------------ [ 70.716965][ T5063] WARNING: CPU: 0 PID: 5063 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 70.727203][ T5063] Modules linked in: [ 70.731117][ T5063] CPU: 0 PID: 5063 Comm: syz-executor281 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 70.741639][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 70.751734][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 70.758117][ 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 [ 70.777794][ T5063] RSP: 0018:ffffc900039171b0 EFLAGS: 00010293 [ 70.783870][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 70.791915][ T5063] RDX: ffff888023ca0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 70.799953][ T5063] RBP: ffffc900039172a0 R08: 0000000000000005 R09: 0000000000000000 [ 70.807959][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 70.816017][ T5063] R13: ffff88801ebd302c R14: ffffc9000391735c R15: ffff88801ebd3000 [ 70.824013][ T5063] FS: 0000555556f4b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 70.833009][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.839697][ T5063] CR2: 0000000000000000 CR3: 0000000078c11000 CR4: 00000000003506f0 [ 70.847706][ T5063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.855776][ T5063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.863761][ T5063] Call Trace: [ 70.867088][ T5063] [ 70.870041][ T5063] ? show_regs+0x8f/0xa0 [ 70.874319][ T5063] ? __warn+0xe6/0x390 [ 70.878471][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 70.884130][ T5063] ? report_bug+0x3bc/0x580 [ 70.888687][ T5063] ? handle_bug+0x3d/0x70 [ 70.893040][ T5063] ? exc_invalid_op+0x17/0x40 [ 70.897776][ T5063] ? asm_exc_invalid_op+0x1a/0x20 [ 70.902817][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 70.908496][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 70.914148][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 70.919872][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 70.924740][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 70.930245][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 70.936137][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 70.941518][ T5063] ip6_route_add+0x26/0x1f0 [ 70.946066][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 70.951396][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 70.956811][ T5063] inet6_addr_add+0x605/0xbe0 [ 70.961525][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 70.966718][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 70.972815][ T5063] ? trace_contention_end+0xd6/0x100 [ 70.978191][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 70.982911][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 70.989065][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 70.994048][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 70.998828][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 71.004863][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 71.010952][ T5063] netlink_rcv_skb+0x16b/0x440 [ 71.015780][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 71.020456][ T5063] ? netlink_ack+0x1380/0x1380 [ 71.025217][ T5063] ? lock_sync+0x190/0x190 [ 71.029704][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 71.035014][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 71.040121][ T5063] netlink_unicast+0x53b/0x810 [ 71.044912][ T5063] ? netlink_attachskb+0x880/0x880 [ 71.050090][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 71.056039][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 71.061063][ T5063] ? __check_object_size+0x323/0x730 [ 71.066394][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 71.071190][ T5063] ? netlink_unicast+0x810/0x810 [ 71.076412][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 71.081722][ T5063] ? netlink_unicast+0x810/0x810 [ 71.086708][ T5063] __sock_sendmsg+0xd5/0x180 [ 71.091316][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 71.096163][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 71.101639][ T5063] ? kernel_sendmsg+0x50/0x50 [ 71.106350][ T5063] ? hlock_class+0x4e/0x130 [ 71.110887][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 71.115646][ T5063] ? do_recvmmsg+0x740/0x740 [ 71.120305][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 71.125821][ T5063] ? __fget_light+0x1fc/0x260 [ 71.130531][ T5063] __sys_sendmsg+0x117/0x1e0 [ 71.135144][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 71.140279][ T5063] ? ptrace_notify+0xf4/0x130 [ 71.144987][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 71.151296][ T5063] do_syscall_64+0x40/0x110 [ 71.155926][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 71.161872][ T5063] RIP: 0033:0x7fe828572f49 [ 71.166358][ 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 [ 71.186038][ T5063] RSP: 002b:00007ffd26e0caf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.194458][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe828572f49 [ 71.202493][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 71.210533][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556f4c610 [ 71.218967][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.227006][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.235002][ T5063] [ 71.238170][ T5063] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 71.245445][ T5063] CPU: 0 PID: 5063 Comm: syz-executor281 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 71.255862][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 71.265912][ T5063] Call Trace: [ 71.269189][ T5063] [ 71.272128][ T5063] dump_stack_lvl+0xd9/0x1b0 [ 71.276732][ T5063] panic+0x6dc/0x790 [ 71.280636][ T5063] ? panic_smp_self_stop+0xa0/0xa0 [ 71.285753][ T5063] ? show_trace_log_lvl+0x363/0x4f0 [ 71.290973][ T5063] ? check_panic_on_warn+0x1f/0xb0 [ 71.296096][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 71.301736][ T5063] check_panic_on_warn+0xab/0xb0 [ 71.306682][ T5063] __warn+0xf2/0x390 [ 71.310584][ T5063] ? ip6_route_info_create+0x1a1a/0x1f10 [ 71.316226][ T5063] report_bug+0x3bc/0x580 [ 71.320833][ T5063] handle_bug+0x3d/0x70 [ 71.324996][ T5063] exc_invalid_op+0x17/0x40 [ 71.329511][ T5063] asm_exc_invalid_op+0x1a/0x20 [ 71.334362][ T5063] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 71.340627][ 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 [ 71.360238][ T5063] RSP: 0018:ffffc900039171b0 EFLAGS: 00010293 [ 71.366306][ T5063] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 71.374277][ T5063] RDX: ffff888023ca0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 71.382248][ T5063] RBP: ffffc900039172a0 R08: 0000000000000005 R09: 0000000000000000 [ 71.390220][ T5063] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 71.398190][ T5063] R13: ffff88801ebd302c R14: ffffc9000391735c R15: ffff88801ebd3000 [ 71.406170][ T5063] ? ip6_route_info_create+0x19c8/0x1f10 [ 71.411903][ T5063] ? ip6_route_info_create+0x1a19/0x1f10 [ 71.417562][ T5063] ? fib6_nh_init+0x1db0/0x1db0 [ 71.422422][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 71.427811][ T5063] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 71.433630][ T5063] ? reacquire_held_locks+0x4c0/0x4c0 [ 71.439023][ T5063] ip6_route_add+0x26/0x1f0 [ 71.443540][ T5063] addrconf_prefix_route+0x2fe/0x510 [ 71.448840][ T5063] ? addrconf_add_mroute+0x350/0x350 [ 71.454165][ T5063] inet6_addr_add+0x605/0xbe0 [ 71.458866][ T5063] inet6_rtm_newaddr+0x11da/0x1ab0 [ 71.464000][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 71.470109][ T5063] ? trace_contention_end+0xd6/0x100 [ 71.475404][ T5063] ? __mutex_lock+0x1a6/0x9d0 [ 71.480125][ T5063] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 71.486249][ T5063] rtnetlink_rcv_msg+0x3c7/0xe00 [ 71.491287][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 71.495978][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 71.502063][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 71.508066][ T5063] netlink_rcv_skb+0x16b/0x440 [ 71.512844][ T5063] ? rtnl_fill_vf+0x490/0x490 [ 71.517539][ T5063] ? netlink_ack+0x1380/0x1380 [ 71.522574][ T5063] ? lock_sync+0x190/0x190 [ 71.527020][ T5063] ? netlink_deliver_tap+0x1a0/0xd00 [ 71.532320][ T5063] ? _copy_from_iter+0x2c1/0x10f0 [ 71.537536][ T5063] netlink_unicast+0x53b/0x810 [ 71.542316][ T5063] ? netlink_attachskb+0x880/0x880 [ 71.547441][ T5063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 71.553344][ T5063] ? __phys_addr_symbol+0x30/0x70 [ 71.558381][ T5063] ? __check_object_size+0x323/0x730 [ 71.563684][ T5063] netlink_sendmsg+0x8b7/0xd70 [ 71.568466][ T5063] ? netlink_unicast+0x810/0x810 [ 71.573425][ T5063] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 71.578737][ T5063] ? netlink_unicast+0x810/0x810 [ 71.583781][ T5063] __sock_sendmsg+0xd5/0x180 [ 71.588380][ T5063] ____sys_sendmsg+0x6ac/0x940 [ 71.593156][ T5063] ? copy_msghdr_from_user+0x10b/0x160 [ 71.598628][ T5063] ? kernel_sendmsg+0x50/0x50 [ 71.603314][ T5063] ? hlock_class+0x4e/0x130 [ 71.607847][ T5063] ___sys_sendmsg+0x135/0x1d0 [ 71.612537][ T5063] ? do_recvmmsg+0x740/0x740 [ 71.617162][ T5063] ? recalc_sigpending_tsk+0x187/0x1d0 [ 71.622626][ T5063] ? __fget_light+0x1fc/0x260 [ 71.627313][ T5063] __sys_sendmsg+0x117/0x1e0 [ 71.631916][ T5063] ? __sys_sendmsg_sock+0x30/0x30 [ 71.636966][ T5063] ? ptrace_notify+0xf4/0x130 [ 71.641649][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 71.647905][ T5063] do_syscall_64+0x40/0x110 [ 71.652422][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 71.658332][ T5063] RIP: 0033:0x7fe828572f49 [ 71.662752][ 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 [ 71.682449][ T5063] RSP: 002b:00007ffd26e0caf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.690867][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe828572f49 [ 71.698841][ T5063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 71.706811][ T5063] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556f4c610 [ 71.714781][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.722757][ T5063] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.730754][ T5063] [ 71.733991][ T5063] Kernel Offset: disabled [ 71.738390][ T5063] Rebooting in 86400 seconds..