./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1397693586
<...>
Warning: Permanently added '10.128.1.43' (ED25519) to the list of known hosts.
execve("./syz-executor1397693586", ["./syz-executor1397693586"], 0x7fffd8771ce0 /* 10 vars */) = 0
brk(NULL) = 0x55556c2d3000
brk(0x55556c2d3d00) = 0x55556c2d3d00
arch_prctl(ARCH_SET_FS, 0x55556c2d3380) = 0
set_tid_address(0x55556c2d3650) = 5838
set_robust_list(0x55556c2d3660, 24) = 0
rseq(0x55556c2d3ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1397693586", 4096) = 28
getrandom("\x8a\x3c\xd9\x22\xce\xc9\x69\xec", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556c2d3d00
brk(0x55556c2f4d00) = 0x55556c2f4d00
brk(0x55556c2f5000) = 0x55556c2f5000
mprotect(0x7f7aa4752000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
executing program
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18) = 18
socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[ 85.240539][ T5838] ------------[ cut here ]------------
[ 85.246579][ T5838] UBSAN: array-index-out-of-bounds in ./include/net/ipv6.h:616:21
[ 85.255907][ T5838] index 16 is out of range for type 'const __u8[16]' (aka 'const unsigned char[16]')
[ 85.265465][ T5838] CPU: 0 UID: 0 PID: 5838 Comm: syz-executor139 Not tainted 6.15.0-rc3-syzkaller-00557-g5565acd1e6c4 #0 PREEMPT(full)
[ 85.265488][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 85.265507][ T5838] Call Trace:
[ 85.265515][ T5838]
[ 85.265523][ T5838] dump_stack_lvl+0x189/0x250
[ 85.265583][ T5838] ? __pfx_dump_stack_lvl+0x10/0x10
[ 85.265612][ T5838] ? __pfx__printk+0x10/0x10
[ 85.265636][ T5838] ? __ubsan_handle_out_of_bounds+0x80/0xf0
[ 85.265670][ T5838] ubsan_epilogue+0xa/0x40
[ 85.265691][ T5838] __ubsan_handle_out_of_bounds+0xe9/0xf0
[ 85.265716][ T5838] ? __asan_memcpy+0x40/0x70
[ 85.265737][ T5838] ipv6_addr_prefix+0x145/0x1d0
[ 85.265772][ T5838] ip6_route_info_create+0x629/0xa70
[ 85.265809][ T5838] inet6_rtm_newroute+0x578/0x1c70
[ 85.265840][ T5838] ? __lock_acquire+0xaac/0xd20
[ 85.265872][ T5838] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 85.265954][ T5838] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 85.265979][ T5838] rtnetlink_rcv_msg+0x7cc/0xb70
[ 85.266007][ T5838] ? kasan_save_track+0x4f/0x80
[ 85.266042][ T5838] ? rtnetlink_rcv_msg+0x1ab/0xb70
[ 85.266069][ T5838] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 85.266097][ T5838] ? __lock_acquire+0xaac/0xd20
[ 85.266134][ T5838] netlink_rcv_skb+0x219/0x490
[ 85.266163][ T5838] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 85.266192][ T5838] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 85.266237][ T5838] ? netlink_deliver_tap+0x2e/0x1b0
[ 85.266266][ T5838] ? netlink_deliver_tap+0x2e/0x1b0
[ 85.266297][ T5838] netlink_unicast+0x758/0x8d0
[ 85.266333][ T5838] netlink_sendmsg+0x805/0xb30
[ 85.266371][ T5838] ? __pfx_netlink_sendmsg+0x10/0x10
[ 85.266404][ T5838] ? aa_sock_msg_perm+0x94/0x160
[ 85.266425][ T5838] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 85.266445][ T5838] ? __pfx_netlink_sendmsg+0x10/0x10
[ 85.266474][ T5838] __sock_sendmsg+0x219/0x270
[ 85.266504][ T5838] ____sys_sendmsg+0x505/0x830
[ 85.266529][ T5838] ? __pfx_____sys_sendmsg+0x10/0x10
[ 85.266557][ T5838] ? import_iovec+0x74/0xa0
[ 85.266586][ T5838] ___sys_sendmsg+0x21f/0x2a0
[ 85.266609][ T5838] ? __pfx____sys_sendmsg+0x10/0x10
[ 85.266634][ T5838] ? do_raw_spin_lock+0x121/0x290
[ 85.266675][ T5838] ? _raw_spin_lock_irq+0xae/0xf0
[ 85.266723][ T5838] __x64_sys_sendmsg+0x19b/0x260
[ 85.266748][ T5838] ? __pfx___x64_sys_sendmsg+0x10/0x10
[ 85.266792][ T5838] do_syscall_64+0xf6/0x210
[ 85.266819][ T5838] ? clear_bhb_loop+0x45/0xa0
[ 85.266845][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.266864][ T5838] RIP: 0033:0x7f7aa46df369
[ 85.266889][ T5838] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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
[ 85.266905][ T5838] RSP: 002b:00007ffc4c1fb218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 85.266927][ T5838] RAX: ffffffffffffffda RBX: 00007ffc4c1fb3e8 RCX: 00007f7aa46df369
[ 85.266941][ T5838] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003
[ 85.266954][ T5838] RBP: 00007f7aa4752610 R08: 0000000000000000 R09: 00007ffc4c1fb3e8
[ 85.266967][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 85.266978][ T5838] R13: 00007ffc4c1fb3d8 R14: 0000000000000001 R15: 0000000000000001
[ 85.267007][ T5838]
[ 85.267014][ T5838] ---[ end trace ]---
[ 85.593481][ T5838] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 85.600713][ T5838] CPU: 1 UID: 0 PID: 5838 Comm: syz-executor139 Not tainted 6.15.0-rc3-syzkaller-00557-g5565acd1e6c4 #0 PREEMPT(full)
[ 85.613212][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 85.623283][ T5838] Call Trace:
[ 85.626649][ T5838]
[ 85.629588][ T5838] dump_stack_lvl+0x99/0x250
[ 85.634196][ T5838] ? __asan_memcpy+0x40/0x70
[ 85.638789][ T5838] ? __pfx_dump_stack_lvl+0x10/0x10
[ 85.643997][ T5838] ? __pfx__printk+0x10/0x10
[ 85.648637][ T5838] panic+0x2db/0x790
[ 85.652684][ T5838] ? __pfx_panic+0x10/0x10
[ 85.657122][ T5838] ? _printk+0xcf/0x120
[ 85.661284][ T5838] ? __pfx__printk+0x10/0x10
[ 85.665876][ T5838] ? __ubsan_handle_out_of_bounds+0x80/0xf0
[ 85.671777][ T5838] check_panic_on_warn+0x89/0xb0
[ 85.676754][ T5838] __ubsan_handle_out_of_bounds+0xe9/0xf0
[ 85.682662][ T5838] ? __asan_memcpy+0x40/0x70
[ 85.687266][ T5838] ipv6_addr_prefix+0x145/0x1d0
[ 85.692131][ T5838] ip6_route_info_create+0x629/0xa70
[ 85.697447][ T5838] inet6_rtm_newroute+0x578/0x1c70
[ 85.702592][ T5838] ? __lock_acquire+0xaac/0xd20
[ 85.707468][ T5838] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 85.713082][ T5838] ? __pfx_inet6_rtm_newroute+0x10/0x10
[ 85.718648][ T5838] rtnetlink_rcv_msg+0x7cc/0xb70
[ 85.723609][ T5838] ? kasan_save_track+0x4f/0x80
[ 85.728509][ T5838] ? rtnetlink_rcv_msg+0x1ab/0xb70
[ 85.733630][ T5838] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 85.739118][ T5838] ? __lock_acquire+0xaac/0xd20
[ 85.744071][ T5838] netlink_rcv_skb+0x219/0x490
[ 85.748866][ T5838] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 85.754348][ T5838] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 85.759677][ T5838] ? netlink_deliver_tap+0x2e/0x1b0
[ 85.764885][ T5838] ? netlink_deliver_tap+0x2e/0x1b0
[ 85.770097][ T5838] netlink_unicast+0x758/0x8d0
[ 85.774873][ T5838] netlink_sendmsg+0x805/0xb30
[ 85.779683][ T5838] ? __pfx_netlink_sendmsg+0x10/0x10
[ 85.785088][ T5838] ? aa_sock_msg_perm+0x94/0x160
[ 85.790029][ T5838] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 85.795335][ T5838] ? __pfx_netlink_sendmsg+0x10/0x10
[ 85.800636][ T5838] __sock_sendmsg+0x219/0x270
[ 85.805322][ T5838] ____sys_sendmsg+0x505/0x830
[ 85.810177][ T5838] ? __pfx_____sys_sendmsg+0x10/0x10
[ 85.815507][ T5838] ? import_iovec+0x74/0xa0
[ 85.820028][ T5838] ___sys_sendmsg+0x21f/0x2a0
[ 85.824780][ T5838] ? __pfx____sys_sendmsg+0x10/0x10
[ 85.830010][ T5838] ? do_raw_spin_lock+0x121/0x290
[ 85.835073][ T5838] ? _raw_spin_lock_irq+0xae/0xf0
[ 85.840188][ T5838] __x64_sys_sendmsg+0x19b/0x260
[ 85.845228][ T5838] ? __pfx___x64_sys_sendmsg+0x10/0x10
[ 85.850794][ T5838] do_syscall_64+0xf6/0x210
[ 85.855488][ T5838] ? clear_bhb_loop+0x45/0xa0
[ 85.860203][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.866105][ T5838] RIP: 0033:0x7f7aa46df369
[ 85.870656][ T5838] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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
[ 85.890283][ T5838] RSP: 002b:00007ffc4c1fb218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 85.898704][ T5838] RAX: ffffffffffffffda RBX: 00007ffc4c1fb3e8 RCX: 00007f7aa46df369
[ 85.906682][ T5838] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003
[ 85.914663][ T5838] RBP: 00007f7aa4752610 R08: 0000000000000000 R09: 00007ffc4c1fb3e8
[ 85.922677][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 85.930756][ T5838] R13: 00007ffc4c1fb3d8 R14: 0000000000000001 R15: 0000000000000001
[ 85.938759][ T5838]
[ 85.942130][ T5838] Kernel Offset: disabled
[ 85.946498][ T5838] Rebooting in 86400 seconds..