./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor224955571 <...> Warning: Permanently added '10.128.1.126' (ED25519) to the list of known hosts. execve("./syz-executor224955571", ["./syz-executor224955571"], 0x7ffc3b74db60 /* 10 vars */) = 0 brk(NULL) = 0x555559da5000 brk(0x555559da5d00) = 0x555559da5d00 arch_prctl(ARCH_SET_FS, 0x555559da5380) = 0 set_tid_address(0x555559da5650) = 288 set_robust_list(0x555559da5660, 24) = 0 rseq(0x555559da5ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor224955571", 4096) = 27 getrandom("\x40\x77\xb0\xee\xd3\x8e\x0e\xfd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559da5d00 brk(0x555559dc6d00) = 0x555559dc6d00 brk(0x555559dc7000) = 0x555559dc7000 mprotect(0x7f7ee2781000, 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 write(1, "executing program\n", 18executing program ) = 18 socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 setsockopt(3, SOL_IPV6, IPV6_XFRM_POLICY, "\xac\x14\x14\xbb\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 232) = 0 socket(AF_KEY, SOCK_RAW, 2) = 4 setsockopt(4, SOL_SOCKET, SO_RCVBUF, [0], 4) = 0 sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x02\x0b\x00\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=16}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 16 sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x02\x12\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=16}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 16 socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 5 socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 6 sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xb8\x00\x00\x00\x13\x00\xe9\x99\x00\x00\x00\x00\x00\x00\x00\x00\xfc\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xac\x1e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x60\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=184}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 184 socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 7 sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xb8\x00\x00\x00\x13\x00\xe9\x99\x00\x00\x00\x00\x00\x00\x00\x00\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xac\x1e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x60\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=184}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_EOR}, 0) = 184 [ 24.142189][ T30] audit: type=1400 audit(1754867437.419:64): avc: denied { execmem } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.160057][ T288] ================================================================== [ 24.163477][ T30] audit: type=1400 audit(1754867437.439:65): avc: denied { create } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 24.169927][ T288] BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 24.190219][ T30] audit: type=1400 audit(1754867437.439:66): avc: denied { setopt } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 24.198886][ T288] Read of size 1 at addr ffff888124738bf8 by task syz-executor224/288 [ 24.198905][ T288] [ 24.198924][ T288] CPU: 0 PID: 288 Comm: syz-executor224 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 24.218960][ T30] audit: type=1400 audit(1754867437.439:67): avc: denied { write } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 24.226690][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 24.226720][ T288] Call Trace: [ 24.226727][ T288] [ 24.226734][ T288] __dump_stack+0x21/0x30 [ 24.229553][ T30] audit: type=1400 audit(1754867437.439:68): avc: denied { create } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.239660][ T288] dump_stack_lvl+0xee/0x150 [ 24.239688][ T288] ? show_regs_print_info+0x20/0x20 [ 24.259582][ T30] audit: type=1400 audit(1754867437.439:69): avc: denied { write } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.269333][ T288] ? load_image+0x3a0/0x3a0 [ 24.269360][ T288] ? unwind_get_return_address+0x4d/0x90 [ 24.273081][ T30] audit: type=1400 audit(1754867437.439:70): avc: denied { nlmsg_write } for pid=288 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.275705][ T288] print_address_description+0x7f/0x2c0 [ 24.367435][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 24.373938][ T288] kasan_report+0xf1/0x140 [ 24.378450][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 24.384967][ T288] __asan_report_load1_noabort+0x14/0x20 [ 24.390609][ T288] xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 24.396928][ T288] xfrm_policy_inexact_insert_node+0x938/0xb50 [ 24.403076][ T288] ? xfrm_netlink_rcv+0x72/0x90 [ 24.407923][ T288] ? netlink_unicast+0x876/0xa40 [ 24.412873][ T288] ? netlink_sendmsg+0x86a/0xb70 [ 24.417818][ T288] ? ____sys_sendmsg+0x5a2/0x8c0 [ 24.422761][ T288] ? ___sys_sendmsg+0x1f0/0x260 [ 24.427929][ T288] ? x64_sys_call+0x4b/0x9a0 [ 24.432528][ T288] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.439078][ T288] xfrm_policy_inexact_alloc_chain+0x53a/0xb30 [ 24.445255][ T288] xfrm_policy_inexact_insert+0x70/0x1130 [ 24.450998][ T288] ? __get_hash_thresh+0x10c/0x420 [ 24.456115][ T288] ? policy_hash_bysel+0x110/0x4f0 [ 24.461324][ T288] xfrm_policy_insert+0x126/0x9a0 [ 24.466346][ T288] ? xfrm_policy_construct+0x54f/0x1f00 [ 24.471904][ T288] xfrm_add_policy+0x4d1/0x830 [ 24.476669][ T288] ? xfrm_dump_sa_done+0xc0/0xc0 [ 24.481613][ T288] xfrm_user_rcv_msg+0x45c/0x6e0 [ 24.486558][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 24.491407][ T288] ? avc_has_perm_noaudit+0x460/0x460 [ 24.496805][ T288] ? x64_sys_call+0x4b/0x9a0 [ 24.501493][ T288] ? selinux_nlmsg_lookup+0x237/0x4c0 [ 24.506948][ T288] netlink_rcv_skb+0x1e0/0x430 [ 24.511712][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 24.516558][ T288] ? netlink_ack+0xb60/0xb60 [ 24.521155][ T288] ? wait_for_completion_killable_timeout+0x10/0x10 [ 24.527748][ T288] ? __netlink_lookup+0x387/0x3b0 [ 24.532855][ T288] xfrm_netlink_rcv+0x72/0x90 [ 24.537562][ T288] netlink_unicast+0x876/0xa40 [ 24.542324][ T288] netlink_sendmsg+0x86a/0xb70 [ 24.547099][ T288] ? netlink_getsockopt+0x530/0x530 [ 24.552297][ T288] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 24.558017][ T288] ? security_socket_sendmsg+0x82/0xa0 [ 24.563486][ T288] ? netlink_getsockopt+0x530/0x530 [ 24.568679][ T288] ____sys_sendmsg+0x5a2/0x8c0 [ 24.573441][ T288] ? __sys_sendmsg_sock+0x40/0x40 [ 24.578548][ T288] ? import_iovec+0x7c/0xb0 [ 24.583066][ T288] ___sys_sendmsg+0x1f0/0x260 [ 24.587827][ T288] ? _raw_spin_unlock+0x4d/0x70 [ 24.592683][ T288] ? __sys_sendmsg+0x250/0x250 [ 24.597468][ T288] ? __schedule+0xb76/0x14c0 [ 24.602069][ T288] ? _raw_spin_lock_irqsave+0x110/0x110 [ 24.607620][ T288] ? cgroup_update_frozen+0x15c/0x970 [ 24.613000][ T288] ? ptrace_stop+0x6f4/0xa80 [ 24.617586][ T288] ? __kasan_check_read+0x11/0x20 [ 24.622623][ T288] ? __fdget+0x15b/0x230 [ 24.626968][ T288] __x64_sys_sendmsg+0x1e2/0x2a0 [ 24.632162][ T288] ? ___sys_sendmsg+0x260/0x260 [ 24.637025][ T288] ? __kasan_check_write+0x14/0x20 [ 24.642158][ T288] ? switch_fpu_return+0x15d/0x2c0 [ 24.647673][ T288] x64_sys_call+0x4b/0x9a0 [ 24.652104][ T288] do_syscall_64+0x4c/0xa0 [ 24.656519][ T288] ? clear_bhb_loop+0x50/0xa0 [ 24.661285][ T288] ? clear_bhb_loop+0x50/0xa0 [ 24.665959][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.671864][ T288] RIP: 0033:0x7f7ee270dae9 [ 24.676449][ T288] 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 [ 24.696138][ T288] RSP: 002b:00007ffc38aa0078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.704673][ T288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ee270dae9 [ 24.712657][ T288] RDX: 0000000000004000 RSI: 0000200000000580 RDI: 0000000000000005 [ 24.720642][ T288] RBP: 0000200000000580 R08: 0000200000000017 R09: 0000000000000000 [ 24.728699][ T288] R10: 0000200000000012 R11: 0000000000000246 R12: 0000000000000000 [ 24.736667][ T288] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 24.744648][ T288] [ 24.747661][ T288] [ 24.749991][ T288] Allocated by task 288: [ 24.754220][ T288] __kasan_kmalloc+0xda/0x110 [ 24.758895][ T288] __kmalloc+0x13d/0x2c0 [ 24.763148][ T288] sk_prot_alloc+0xed/0x320 [ 24.767675][ T288] sk_alloc+0x38/0x430 [ 24.771733][ T288] pfkey_create+0x12a/0x660 [ 24.776227][ T288] __sock_create+0x38d/0x7a0 [ 24.780811][ T288] __sys_socket+0xec/0x190 [ 24.785219][ T288] __x64_sys_socket+0x7a/0x90 [ 24.789906][ T288] x64_sys_call+0x8c5/0x9a0 [ 24.794407][ T288] do_syscall_64+0x4c/0xa0 [ 24.798824][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.804715][ T288] [ 24.807192][ T288] The buggy address belongs to the object at ffff888124738800 [ 24.807192][ T288] which belongs to the cache kmalloc-1k of size 1024 [ 24.821322][ T288] The buggy address is located 1016 bytes inside of [ 24.821322][ T288] 1024-byte region [ffff888124738800, ffff888124738c00) [ 24.834858][ T288] The buggy address belongs to the page: [ 24.840480][ T288] page:ffffea000491ce00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x124738 [ 24.850723][ T288] head:ffffea000491ce00 order:3 compound_mapcount:0 compound_pincount:0 [ 24.859040][ T288] flags: 0x4000000000010200(slab|head|zone=1) [ 24.865117][ T288] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 24.873694][ T288] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 24.882378][ T288] page dumped because: kasan: bad access detected [ 24.888797][ T288] page_owner tracks the page as allocated [ 24.894500][ T288] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 284, ts 24153403495, free_ts 0 [ 24.912649][ T288] post_alloc_hook+0x192/0x1b0 [ 24.917412][ T288] prep_new_page+0x1c/0x110 [ 24.921913][ T288] get_page_from_freelist+0x2cc5/0x2d50 [ 24.927451][ T288] __alloc_pages+0x18f/0x440 [ 24.932036][ T288] new_slab+0xa1/0x4d0 [ 24.936099][ T288] ___slab_alloc+0x381/0x810 [ 24.940696][ T288] __slab_alloc+0x49/0x90 [ 24.945017][ T288] __kmalloc_track_caller+0x169/0x2c0 [ 24.950381][ T288] __alloc_skb+0x21a/0x740 [ 24.954800][ T288] sk_stream_alloc_skb+0x21a/0xb60 [ 24.959905][ T288] tcp_sendmsg_locked+0xc3e/0x3590 [ 24.965005][ T288] tcp_sendmsg+0x2f/0x50 [ 24.969238][ T288] inet_sendmsg+0xa5/0xc0 [ 24.973646][ T288] sock_write_iter+0x29c/0x380 [ 24.978407][ T288] vfs_write+0x802/0xf70 [ 24.982650][ T288] ksys_write+0x140/0x240 [ 24.986970][ T288] page_owner free stack trace missing [ 24.992336][ T288] [ 24.994656][ T288] Memory state around the buggy address: [ 25.000275][ T288] ffff888124738a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.008327][ T288] ffff888124738b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.016410][ T288] >ffff888124738b80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 25.024468][ T288] ^ [ 25.032446][ T288] ffff888124738c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xb8\x00\x00\x00\x13\x00\xe9\x99\x00\x00\x00\x00\x00\x00\x00\x00\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xac\x1e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=184}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 184 exit_group(0) = ? +++ exited with 0 +++ [ 25.040507][ T288] ffff888124738c80: fc fc fc fc fc fc fc fc