./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4145177725
<...>
Warning: Permanently added '10.128.0.91' (ED25519) to the list of known hosts.
execve("./syz-executor4145177725", ["./syz-executor4145177725"], 0x7ffc7508a710 /* 10 vars */) = 0
brk(NULL) = 0x555594768000
brk(0x555594768d00) = 0x555594768d00
arch_prctl(ARCH_SET_FS, 0x555594768380) = 0
set_tid_address(0x555594768650) = 5838
set_robust_list(0x555594768660, 24) = 0
rseq(0x555594768ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4145177725", 4096) = 28
getrandom("\x09\x88\xa6\x5e\x38\x78\x8f\xa0", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555594768d00
brk(0x555594789d00) = 0x555594789d00
brk(0x55559478a000) = 0x55559478a000
mprotect(0x7fa5ecf1a000, 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
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18) = 18
bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor)
socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE) = 3
[ 90.918921][ T5838] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 90.932982][ T5838] ------------[ cut here ]------------
[ 90.938641][ T5838] memcpy: detected field-spanning write (size 898) of single field "pfx->in6_u.u6_addr8" at ./include/net/ipv6.h:614 (size 16)
[ 90.953488][ T5838] WARNING: CPU: 0 PID: 5838 at ./include/net/ipv6.h:614 ipv6_addr_prefix+0x124/0x1d0
[ 90.963181][ T5838] Modules linked in:
[ 90.967124][ T5838] CPU: 0 UID: 0 PID: 5838 Comm: syz-executor414 Not tainted 6.15.0-rc3-syzkaller-00557-g5565acd1e6c4 #0 PREEMPT(full)
[ 90.979689][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 90.989995][ T5838] RIP: 0010:ipv6_addr_prefix+0x124/0x1d0
[ 90.995691][ T5838] Code: cc e8 70 eb af f7 c6 05 b8 a8 59 05 01 90 b9 10 00 00 00 48 c7 c7 a0 86 7d 8c 4c 89 fe 48 c7 c2 c0 8d 7d 8c e8 4d 4a 74 f7 90 <0f> 0b 90 90 e9 33 ff ff ff e8 3e eb af f7 44 89 e6 48 c7 c7 c0 53
[ 91.015419][ T5838] RSP: 0018:ffffc90003eb7920 EFLAGS: 00010246
[ 91.021580][ T5838] RAX: 8f8f704687b6a900 RBX: ffff8880337f5c50 RCX: ffff88803326da00
[ 91.029581][ T5838] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 91.037592][ T5838] RBP: 0000000000000000 R08: ffffc90003eb7607 R09: 1ffff920007d6ec0
[ 91.045625][ T5838] R10: dffffc0000000000 R11: fffff520007d6ec1 R12: 0000000000000382
[ 91.053653][ T5838] R13: 1ffff920007d6f4e R14: ffffc90003eb7a84 R15: 0000000000000382
[ 91.061670][ T5838] FS: 0000555594768380(0000) GS:ffff8881260b2000(0000) knlGS:0000000000000000
[ 91.070648][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.077270][ T5838] CR2: 000055d1681c9000 CR3: 0000000078e3e000 CR4: 00000000003526f0
[ 91.085314][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.093335][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 91.101366][ T5838] Call Trace:
[ 91.104680][ T5838]
[ 91.107640][ T5838] ip6_route_info_create+0x5cc/0xa70
[ 91.112999][ T5838] ip6_route_add+0x29/0x2f0
[ 91.117534][ T5838] ? ipv6_route_ioctl+0x313/0x480
[ 91.122613][ T5838] ipv6_route_ioctl+0x35c/0x480
[ 91.127493][ T5838] ? __pfx_ipv6_route_ioctl+0x10/0x10
[ 91.132969][ T5838] inet6_ioctl+0x219/0x280
[ 91.137420][ T5838] ? __pfx_inet6_ioctl+0x10/0x10
[ 91.142433][ T5838] ? __pfx_tomoyo_path_number_perm+0x10/0x10
[ 91.148472][ T5838] sock_do_ioctl+0xd9/0x300
[ 91.153047][ T5838] ? __pfx_sock_do_ioctl+0x10/0x10
[ 91.158294][ T5838] sock_ioctl+0x576/0x790
[ 91.162677][ T5838] ? __pfx_sock_ioctl+0x10/0x10
[ 91.167579][ T5838] ? bpf_lsm_file_ioctl+0x9/0x20
[ 91.172613][ T5838] ? __pfx_sock_ioctl+0x10/0x10
[ 91.177499][ T5838] __se_sys_ioctl+0xf9/0x170
[ 91.182154][ T5838] do_syscall_64+0xf6/0x210
[ 91.186686][ T5838] ? clear_bhb_loop+0x45/0xa0
[ 91.191422][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.197332][ T5838] RIP: 0033:0x7fa5ecea7369
[ 91.201814][ 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
[ 91.221498][ T5838] RSP: 002b:00007fff70ec1b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 91.229947][ T5838] RAX: ffffffffffffffda RBX: 00007fff70ec1ce8 RCX: 00007fa5ecea7369
[ 91.237995][ T5838] RDX: 0000200000000340 RSI: 000000000000890b RDI: 0000000000000003
[ 91.246011][ T5838] RBP: 00007fa5ecf1a610 R08: 0000000000000000 R09: 00007fff70ec1ce8
[ 91.254031][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 91.262049][ T5838] R13: 00007fff70ec1cd8 R14: 0000000000000001 R15: 0000000000000001
[ 91.270040][ T5838]
[ 91.273150][ T5838] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 91.280444][ T5838] CPU: 0 UID: 0 PID: 5838 Comm: syz-executor414 Not tainted 6.15.0-rc3-syzkaller-00557-g5565acd1e6c4 #0 PREEMPT(full)
[ 91.292861][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 91.302918][ T5838] Call Trace:
[ 91.306198][ T5838]
[ 91.309131][ T5838] dump_stack_lvl+0x99/0x250
[ 91.313736][ T5838] ? __asan_memcpy+0x40/0x70
[ 91.318327][ T5838] ? __pfx_dump_stack_lvl+0x10/0x10
[ 91.323557][ T5838] ? __pfx__printk+0x10/0x10
[ 91.328156][ T5838] panic+0x2db/0x790
[ 91.332065][ T5838] ? __pfx_panic+0x10/0x10
[ 91.336494][ T5838] ? show_trace_log_lvl+0x4fb/0x550
[ 91.341713][ T5838] __warn+0x31b/0x4b0
[ 91.345699][ T5838] ? ipv6_addr_prefix+0x124/0x1d0
[ 91.350734][ T5838] ? ipv6_addr_prefix+0x124/0x1d0
[ 91.355764][ T5838] report_bug+0x2be/0x4f0
[ 91.360101][ T5838] ? ipv6_addr_prefix+0x124/0x1d0
[ 91.365129][ T5838] ? ipv6_addr_prefix+0x124/0x1d0
[ 91.370159][ T5838] ? ipv6_addr_prefix+0x126/0x1d0
[ 91.375191][ T5838] handle_bug+0x84/0x160
[ 91.379444][ T5838] exc_invalid_op+0x1a/0x50
[ 91.383958][ T5838] asm_exc_invalid_op+0x1a/0x20
[ 91.388809][ T5838] RIP: 0010:ipv6_addr_prefix+0x124/0x1d0
[ 91.394473][ T5838] Code: cc e8 70 eb af f7 c6 05 b8 a8 59 05 01 90 b9 10 00 00 00 48 c7 c7 a0 86 7d 8c 4c 89 fe 48 c7 c2 c0 8d 7d 8c e8 4d 4a 74 f7 90 <0f> 0b 90 90 e9 33 ff ff ff e8 3e eb af f7 44 89 e6 48 c7 c7 c0 53
[ 91.414090][ T5838] RSP: 0018:ffffc90003eb7920 EFLAGS: 00010246
[ 91.420163][ T5838] RAX: 8f8f704687b6a900 RBX: ffff8880337f5c50 RCX: ffff88803326da00
[ 91.428140][ T5838] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 91.436111][ T5838] RBP: 0000000000000000 R08: ffffc90003eb7607 R09: 1ffff920007d6ec0
[ 91.444085][ T5838] R10: dffffc0000000000 R11: fffff520007d6ec1 R12: 0000000000000382
[ 91.452061][ T5838] R13: 1ffff920007d6f4e R14: ffffc90003eb7a84 R15: 0000000000000382
[ 91.460053][ T5838] ip6_route_info_create+0x5cc/0xa70
[ 91.465368][ T5838] ip6_route_add+0x29/0x2f0
[ 91.469884][ T5838] ? ipv6_route_ioctl+0x313/0x480
[ 91.474911][ T5838] ipv6_route_ioctl+0x35c/0x480
[ 91.479802][ T5838] ? __pfx_ipv6_route_ioctl+0x10/0x10
[ 91.485199][ T5838] inet6_ioctl+0x219/0x280
[ 91.489625][ T5838] ? __pfx_inet6_ioctl+0x10/0x10
[ 91.494576][ T5838] ? __pfx_tomoyo_path_number_perm+0x10/0x10
[ 91.500576][ T5838] sock_do_ioctl+0xd9/0x300
[ 91.505095][ T5838] ? __pfx_sock_do_ioctl+0x10/0x10
[ 91.510239][ T5838] sock_ioctl+0x576/0x790
[ 91.514581][ T5838] ? __pfx_sock_ioctl+0x10/0x10
[ 91.519448][ T5838] ? bpf_lsm_file_ioctl+0x9/0x20
[ 91.524393][ T5838] ? __pfx_sock_ioctl+0x10/0x10
[ 91.529266][ T5838] __se_sys_ioctl+0xf9/0x170
[ 91.533864][ T5838] do_syscall_64+0xf6/0x210
[ 91.538380][ T5838] ? clear_bhb_loop+0x45/0xa0
[ 91.543066][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.548961][ T5838] RIP: 0033:0x7fa5ecea7369
[ 91.553378][ 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
[ 91.572983][ T5838] RSP: 002b:00007fff70ec1b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 91.581401][ T5838] RAX: ffffffffffffffda RBX: 00007fff70ec1ce8 RCX: 00007fa5ecea7369
[ 91.589372][ T5838] RDX: 0000200000000340 RSI: 000000000000890b RDI: 0000000000000003
[ 91.597365][ T5838] RBP: 00007fa5ecf1a610 R08: 0000000000000000 R09: 00007fff70ec1ce8
[ 91.605445][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 91.613440][ T5838] R13: 00007fff70ec1cd8 R14: 0000000000000001 R15: 0000000000000001
[ 91.621438][ T5838]
[ 91.624863][ T5838] Kernel Offset: disabled
[ 91.629198][ T5838] Rebooting in 86400 seconds..