./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1631334800 <...> Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts. execve("./syz-executor1631334800", ["./syz-executor1631334800"], 0x7ffeaa6c3140 /* 10 vars */) = 0 brk(NULL) = 0x55558445b000 brk(0x55558445bd00) = 0x55558445bd00 arch_prctl(ARCH_SET_FS, 0x55558445b380) = 0 set_tid_address(0x55558445b650) = 288 set_robust_list(0x55558445b660, 24) = 0 rseq(0x55558445bca0, 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-executor1631334800", 4096) = 28 getrandom("\x2f\xf2\x3e\xca\x82\x23\x67\x69", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558445bd00 brk(0x55558447cd00) = 0x55558447cd00 brk(0x55558447d000) = 0x55558447d000 mprotect(0x7f49763da000, 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 [ 24.829187][ T30] audit: type=1400 audit(1754858527.749:64): avc: denied { execmem } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.851631][ T30] audit: type=1400 audit(1754858527.769:65): avc: denied { create } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 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 [ 24.872341][ T30] audit: type=1400 audit(1754858527.789:66): avc: denied { setopt } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 24.884206][ T288] ================================================================== [ 24.892245][ T30] audit: type=1400 audit(1754858527.799:67): avc: denied { write } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 24.900322][ T288] BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 24.920178][ T30] audit: type=1400 audit(1754858527.799:68): avc: denied { create } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.928986][ T288] Read of size 1 at addr ffff88811be16bf8 by task syz-executor163/288 [ 24.929004][ T288] [ 24.929018][ T288] CPU: 1 PID: 288 Comm: syz-executor163 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 24.949839][ T30] audit: type=1400 audit(1754858527.799:69): avc: denied { write } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.957571][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 24.960118][ T30] audit: type=1400 audit(1754858527.799:70): avc: denied { nlmsg_write } for pid=288 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 24.970385][ T288] Call Trace: [ 24.970394][ T288] [ 24.970401][ T288] __dump_stack+0x21/0x30 [ 25.031990][ T288] dump_stack_lvl+0xee/0x150 [ 25.036583][ T288] ? show_regs_print_info+0x20/0x20 [ 25.041771][ T288] ? load_image+0x3a0/0x3a0 [ 25.046271][ T288] ? unwind_get_return_address+0x4d/0x90 [ 25.051915][ T288] print_address_description+0x7f/0x2c0 [ 25.057539][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 25.064035][ T288] kasan_report+0xf1/0x140 [ 25.068441][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 25.074931][ T288] __asan_report_load1_noabort+0x14/0x20 [ 25.080596][ T288] xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 25.086914][ T288] xfrm_policy_inexact_insert_node+0x938/0xb50 [ 25.093095][ T288] ? xfrm_netlink_rcv+0x72/0x90 [ 25.097938][ T288] ? netlink_unicast+0x876/0xa40 [ 25.102864][ T288] ? netlink_sendmsg+0x86a/0xb70 [ 25.107814][ T288] ? ____sys_sendmsg+0x5a2/0x8c0 [ 25.112750][ T288] ? ___sys_sendmsg+0x1f0/0x260 [ 25.117595][ T288] ? x64_sys_call+0x4b/0x9a0 [ 25.122173][ T288] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.128326][ T288] xfrm_policy_inexact_alloc_chain+0x53a/0xb30 [ 25.134486][ T288] xfrm_policy_inexact_insert+0x70/0x1130 [ 25.140234][ T288] ? __get_hash_thresh+0x10c/0x420 [ 25.145332][ T288] ? policy_hash_bysel+0x110/0x4f0 [ 25.150433][ T288] xfrm_policy_insert+0x126/0x9a0 [ 25.155448][ T288] ? xfrm_policy_construct+0x54f/0x1f00 [ 25.160984][ T288] xfrm_add_policy+0x4d1/0x830 [ 25.165742][ T288] ? xfrm_dump_sa_done+0xc0/0xc0 [ 25.170681][ T288] xfrm_user_rcv_msg+0x45c/0x6e0 [ 25.175626][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 25.180480][ T288] ? avc_has_perm_noaudit+0x460/0x460 [ 25.185844][ T288] ? x64_sys_call+0x4b/0x9a0 [ 25.190434][ T288] ? selinux_nlmsg_lookup+0x237/0x4c0 [ 25.195812][ T288] netlink_rcv_skb+0x1e0/0x430 [ 25.200609][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 25.205460][ T288] ? netlink_ack+0xb60/0xb60 [ 25.210066][ T288] ? wait_for_completion_killable_timeout+0x10/0x10 [ 25.216675][ T288] ? __netlink_lookup+0x387/0x3b0 [ 25.221794][ T288] xfrm_netlink_rcv+0x72/0x90 [ 25.226465][ T288] netlink_unicast+0x876/0xa40 [ 25.231218][ T288] netlink_sendmsg+0x86a/0xb70 [ 25.235976][ T288] ? netlink_getsockopt+0x530/0x530 [ 25.241258][ T288] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 25.246927][ T288] ? security_socket_sendmsg+0x82/0xa0 [ 25.252386][ T288] ? netlink_getsockopt+0x530/0x530 [ 25.257708][ T288] ____sys_sendmsg+0x5a2/0x8c0 [ 25.262481][ T288] ? __sys_sendmsg_sock+0x40/0x40 [ 25.267505][ T288] ? import_iovec+0x7c/0xb0 [ 25.272013][ T288] ___sys_sendmsg+0x1f0/0x260 [ 25.276718][ T288] ? _raw_spin_unlock+0x4d/0x70 [ 25.281568][ T288] ? __sys_sendmsg+0x250/0x250 [ 25.286343][ T288] ? __schedule+0xb76/0x14c0 [ 25.290955][ T288] ? _raw_spin_lock_irqsave+0x110/0x110 [ 25.296500][ T288] ? cgroup_update_frozen+0x15c/0x970 [ 25.301875][ T288] ? ptrace_stop+0x6f4/0xa80 [ 25.306612][ T288] ? __kasan_check_read+0x11/0x20 [ 25.311644][ T288] ? __fdget+0x15b/0x230 [ 25.315886][ T288] __x64_sys_sendmsg+0x1e2/0x2a0 [ 25.320927][ T288] ? ___sys_sendmsg+0x260/0x260 [ 25.325781][ T288] ? __kasan_check_write+0x14/0x20 [ 25.330888][ T288] ? switch_fpu_return+0x15d/0x2c0 [ 25.335994][ T288] x64_sys_call+0x4b/0x9a0 [ 25.340407][ T288] do_syscall_64+0x4c/0xa0 [ 25.344834][ T288] ? clear_bhb_loop+0x50/0xa0 [ 25.349527][ T288] ? clear_bhb_loop+0x50/0xa0 [ 25.354209][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.360099][ T288] RIP: 0033:0x7f4976366ae9 [ 25.364511][ 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 [ 25.384202][ T288] RSP: 002b:00007ffc430eea28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.392615][ T288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4976366ae9 [ 25.400578][ T288] RDX: 0000000000004000 RSI: 0000200000000580 RDI: 0000000000000005 [ 25.408539][ T288] RBP: 0000200000000580 R08: 0000200000000017 R09: 0000000000000000 [ 25.416501][ T288] R10: 0000200000000012 R11: 0000000000000246 R12: 0000000000000000 [ 25.424460][ T288] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 25.432423][ T288] [ 25.435432][ T288] [ 25.437747][ T288] Allocated by task 288: [ 25.441974][ T288] __kasan_kmalloc+0xda/0x110 [ 25.446644][ T288] __kmalloc+0x13d/0x2c0 [ 25.450880][ T288] sk_prot_alloc+0xed/0x320 [ 25.455462][ T288] sk_alloc+0x38/0x430 [ 25.459521][ T288] pfkey_create+0x12a/0x660 [ 25.464035][ T288] __sock_create+0x38d/0x7a0 [ 25.468616][ T288] __sys_socket+0xec/0x190 [ 25.473020][ T288] __x64_sys_socket+0x7a/0x90 [ 25.477695][ T288] x64_sys_call+0x8c5/0x9a0 [ 25.482188][ T288] do_syscall_64+0x4c/0xa0 [ 25.486594][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.492486][ T288] [ 25.494823][ T288] The buggy address belongs to the object at ffff88811be16800 [ 25.494823][ T288] which belongs to the cache kmalloc-1k of size 1024 [ 25.508879][ T288] The buggy address is located 1016 bytes inside of [ 25.508879][ T288] 1024-byte region [ffff88811be16800, ffff88811be16c00) [ 25.522325][ T288] The buggy address belongs to the page: [ 25.527947][ T288] page:ffffea00046f8400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11be10 [ 25.538270][ T288] head:ffffea00046f8400 order:3 compound_mapcount:0 compound_pincount:0 [ 25.546608][ T288] flags: 0x4000000000010200(slab|head|zone=1) [ 25.552695][ T288] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 25.561287][ T288] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 25.569872][ T288] page dumped because: kasan: bad access detected [ 25.576288][ T288] page_owner tracks the page as allocated [ 25.581991][ 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 24828990167, free_ts 18946553227 [ 25.600998][ T288] post_alloc_hook+0x192/0x1b0 [ 25.605773][ T288] prep_new_page+0x1c/0x110 [ 25.610269][ T288] get_page_from_freelist+0x2cc5/0x2d50 [ 25.615809][ T288] __alloc_pages+0x18f/0x440 [ 25.620389][ T288] new_slab+0xa1/0x4d0 [ 25.624444][ T288] ___slab_alloc+0x381/0x810 [ 25.629023][ T288] __slab_alloc+0x49/0x90 [ 25.633386][ T288] __kmalloc_track_caller+0x169/0x2c0 [ 25.638883][ T288] __alloc_skb+0x21a/0x740 [ 25.643302][ T288] sk_stream_alloc_skb+0x21a/0xb60 [ 25.648411][ T288] tcp_sendmsg_locked+0xc3e/0x3590 [ 25.653523][ T288] tcp_sendmsg+0x2f/0x50 [ 25.657768][ T288] inet_sendmsg+0xa5/0xc0 [ 25.662089][ T288] sock_write_iter+0x29c/0x380 [ 25.666848][ T288] vfs_write+0x802/0xf70 [ 25.671090][ T288] ksys_write+0x140/0x240 [ 25.675410][ T288] page last free stack trace: [ 25.680077][ T288] free_unref_page_prepare+0x542/0x550 [ 25.685524][ T288] free_unref_page+0xa2/0x550 [ 25.690275][ T288] free_compound_page+0x78/0xa0 [ 25.695115][ T288] __put_compound_page+0x77/0xb0 [ 25.700231][ T288] __put_page+0xbc/0xe0 [ 25.704385][ T288] skb_release_data+0x3d3/0xa10 [ 25.709242][ T288] __kfree_skb+0x50/0x70 [ 25.713481][ T288] tcp_recvmsg_locked+0x14ac/0x2640 [ 25.718676][ T288] tcp_recvmsg+0x21b/0x720 [ 25.723084][ T288] inet_recvmsg+0x134/0x470 [ 25.727577][ T288] sock_read_iter+0x2a2/0x340 [ 25.732418][ T288] vfs_read+0x68b/0xbe0 [ 25.736564][ T288] ksys_read+0x140/0x240 [ 25.740795][ T288] __x64_sys_read+0x7b/0x90 [ 25.745285][ T288] x64_sys_call+0x96d/0x9a0 [ 25.749779][ T288] do_syscall_64+0x4c/0xa0 [ 25.754185][ T288] [ 25.756497][ T288] Memory state around the buggy address: [ 25.762115][ T288] ffff88811be16a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.770175][ T288] ffff88811be16b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 +++ [ 25.778230][ T288] >ffff88811be16b80: 00 00 00 00 00 00 00