./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor797256184 <...> Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts. execve("./syz-executor797256184", ["./syz-executor797256184"], 0x7ffea78c6b40 /* 10 vars */) = 0 brk(NULL) = 0x5555573c6000 brk(0x5555573c6d00) = 0x5555573c6d00 arch_prctl(ARCH_SET_FS, 0x5555573c6380) = 0 set_tid_address(0x5555573c6650) = 5060 set_robust_list(0x5555573c6660, 24) = 0 rseq(0x5555573c6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor797256184", 4096) = 27 getrandom("\xd7\x8c\x05\x57\xb3\x1b\xad\x45", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573c6d00 brk(0x5555573e7d00) = 0x5555573e7d00 brk(0x5555573e8000) = 0x5555573e8000 mprotect(0x7f5ac3a4f000, 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=0x5555573c6650) = 5061 ./strace-static-x86_64: Process 5061 attached [pid 5061] set_robust_list(0x5555573c6660, 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 [ 74.417753][ T5064] ------------[ cut here ]------------ [ 74.423367][ T5064] WARNING: CPU: 0 PID: 5064 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 74.433664][ T5064] Modules linked in: [ 74.437634][ T5064] CPU: 0 PID: 5064 Comm: syz-executor797 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.448231][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.458742][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.465211][ 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 [ 74.485287][ T5064] RSP: 0018:ffffc90003a371b0 EFLAGS: 00010293 [ 74.491479][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.499649][ T5064] RDX: ffff888078d83b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.507673][ T5064] RBP: ffffc90003a372a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.515725][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.523716][ T5064] R13: ffff88801c77942c R14: ffffc90003a3735c R15: ffff88801c779400 [ 74.531836][ T5064] FS: 00005555573c6380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 74.540986][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.547651][ T5064] CR2: 0000000000000000 CR3: 0000000075169000 CR4: 00000000003506f0 [ 74.555703][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.563701][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.571775][ T5064] Call Trace: [ 74.575098][ T5064] [ 74.578027][ T5064] ? show_regs+0x8f/0xa0 [ 74.582273][ T5064] ? __warn+0xe6/0x390 [ 74.586406][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.592066][ T5064] ? report_bug+0x3bc/0x580 [ 74.596721][ T5064] ? handle_bug+0x3d/0x70 [ 74.601081][ T5064] ? exc_invalid_op+0x17/0x40 [ 74.605836][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 74.610896][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.616615][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.622308][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.628115][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 74.632986][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.638455][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.644315][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.649809][ T5064] ip6_route_add+0x26/0x1f0 [ 74.654347][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 74.659699][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 74.665060][ T5064] inet6_addr_add+0x605/0xbe0 [ 74.669749][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.674916][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.681018][ T5064] ? trace_contention_end+0xd6/0x100 [ 74.686362][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 74.691083][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.697214][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.702180][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 74.706932][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.712948][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.719018][ T5064] netlink_rcv_skb+0x16b/0x440 [ 74.723810][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 74.728547][ T5064] ? netlink_ack+0x1380/0x1380 [ 74.733352][ T5064] ? lock_sync+0x190/0x190 [ 74.737883][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.743209][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 74.748333][ T5064] netlink_unicast+0x53b/0x810 [ 74.753216][ T5064] ? netlink_attachskb+0x880/0x880 [ 74.758398][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.764334][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 74.769447][ T5064] ? __check_object_size+0x323/0x730 [ 74.774793][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 74.779581][ T5064] ? netlink_unicast+0x810/0x810 [ 74.784613][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.789933][ T5064] ? netlink_unicast+0x810/0x810 [ 74.795055][ T5064] __sock_sendmsg+0xd5/0x180 [ 74.799678][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 74.804514][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 74.810018][ T5064] ? kernel_sendmsg+0x50/0x50 [ 74.814751][ T5064] ? hlock_class+0x4e/0x130 [ 74.819291][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 74.824060][ T5064] ? do_recvmmsg+0x740/0x740 [ 74.828910][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.834399][ T5064] ? __fget_light+0x1fc/0x260 [ 74.839163][ T5064] __sys_sendmsg+0x117/0x1e0 [ 74.843799][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 74.848903][ T5064] ? ptrace_notify+0xf4/0x130 [ 74.853638][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.859955][ T5064] do_syscall_64+0x40/0x110 [ 74.864545][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.870491][ T5064] RIP: 0033:0x7f5ac39dbe89 [ 74.874976][ 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 [ 74.894938][ T5064] RSP: 002b:00007ffe6772b678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.903385][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ac39dbe89 [ 74.911575][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.919595][ T5064] RBP: 00000000000f4240 R08: 00005555573c7610 R09: 00005555573c7610 [ 74.928017][ T5064] R10: 00005555573c7610 R11: 0000000000000246 R12: 00007f5ac3a4f5f0 [ 74.936059][ T5064] R13: 00007ffe6772b8b8 R14: 00007ffe6772b6a0 R15: 00007ffe6772b690 [ 74.944157][ T5064] [ 74.947240][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.954544][ T5064] CPU: 0 PID: 5064 Comm: syz-executor797 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.964962][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.975015][ T5064] Call Trace: [ 74.978303][ T5064] [ 74.981225][ T5064] dump_stack_lvl+0xd9/0x1b0 [ 74.985849][ T5064] panic+0x6dc/0x790 [ 74.989764][ T5064] ? panic_smp_self_stop+0xa0/0xa0 [ 74.994885][ T5064] ? show_trace_log_lvl+0x363/0x4f0 [ 75.000104][ T5064] ? check_panic_on_warn+0x1f/0xb0 [ 75.005225][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.010862][ T5064] check_panic_on_warn+0xab/0xb0 [ 75.015805][ T5064] __warn+0xf2/0x390 [ 75.019701][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.025512][ T5064] report_bug+0x3bc/0x580 [ 75.030032][ T5064] handle_bug+0x3d/0x70 [ 75.034214][ T5064] exc_invalid_op+0x17/0x40 [ 75.038716][ T5064] asm_exc_invalid_op+0x1a/0x20 [ 75.043561][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.049801][ 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 [ 75.069415][ T5064] RSP: 0018:ffffc90003a371b0 EFLAGS: 00010293 [ 75.075491][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.083467][ T5064] RDX: ffff888078d83b80 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.091444][ T5064] RBP: ffffc90003a372a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.099423][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.107403][ T5064] R13: ffff88801c77942c R14: ffffc90003a3735c R15: ffff88801c779400 [ 75.115391][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.121039][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.126698][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 75.131557][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.136945][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.142787][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.148185][ T5064] ip6_route_add+0x26/0x1f0 [ 75.152705][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 75.158013][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 75.163340][ T5064] inet6_addr_add+0x605/0xbe0 [ 75.168045][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.173181][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.179266][ T5064] ? trace_contention_end+0xd6/0x100 [ 75.184569][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 75.189295][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.195381][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.200340][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.205034][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.211035][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.217043][ T5064] netlink_rcv_skb+0x16b/0x440 [ 75.221825][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.226514][ T5064] ? netlink_ack+0x1380/0x1380 [ 75.231294][ T5064] ? lock_sync+0x190/0x190 [ 75.235740][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.241039][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 75.246101][ T5064] netlink_unicast+0x53b/0x810 [ 75.250892][ T5064] ? netlink_attachskb+0x880/0x880 [ 75.256017][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.261923][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 75.266967][ T5064] ? __check_object_size+0x323/0x730 [ 75.272268][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 75.277056][ T5064] ? netlink_unicast+0x810/0x810 [ 75.282015][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.287323][ T5064] ? netlink_unicast+0x810/0x810 [ 75.292282][ T5064] __sock_sendmsg+0xd5/0x180 [ 75.296890][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 75.301664][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 75.307139][ T5064] ? kernel_sendmsg+0x50/0x50 [ 75.311834][ T5064] ? hlock_class+0x4e/0x130 [ 75.316377][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 75.321078][ T5064] ? do_recvmmsg+0x740/0x740 [ 75.325735][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.331206][ T5064] ? __fget_light+0x1fc/0x260 [ 75.335916][ T5064] __sys_sendmsg+0x117/0x1e0 [ 75.340544][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 75.345604][ T5064] ? ptrace_notify+0xf4/0x130 [ 75.350405][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.356696][ T5064] do_syscall_64+0x40/0x110 [ 75.361228][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.367145][ T5064] RIP: 0033:0x7f5ac39dbe89 [ 75.371567][ 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 [ 75.391275][ T5064] RSP: 002b:00007ffe6772b678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.399700][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ac39dbe89 [ 75.407785][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.415766][ T5064] RBP: 00000000000f4240 R08: 00005555573c7610 R09: 00005555573c7610 [ 75.423871][ T5064] R10: 00005555573c7610 R11: 0000000000000246 R12: 00007f5ac3a4f5f0 [ 75.431947][ T5064] R13: 00007ffe6772b8b8 R14: 00007ffe6772b6a0 R15: 00007ffe6772b690 [ 75.439969][ T5064] [ 75.443312][ T5064] Kernel Offset: disabled [ 75.447773][ T5064] Rebooting in 86400 seconds..