./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor362080900 <...> Warning: Permanently added '10.128.0.111' (ED25519) to the list of known hosts. execve("./syz-executor362080900", ["./syz-executor362080900"], 0x7ffe6f55abf0 /* 10 vars */) = 0 brk(NULL) = 0x555588b63000 brk(0x555588b63d00) = 0x555588b63d00 arch_prctl(ARCH_SET_FS, 0x555588b63380) = 0 set_tid_address(0x555588b63650) = 288 set_robust_list(0x555588b63660, 24) = 0 rseq(0x555588b63ca0, 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-executor362080900", 4096) = 27 getrandom("\x14\x01\xce\xe2\xea\x2f\x19\x91", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588b63d00 brk(0x555588b84d00) = 0x555588b84d00 brk(0x555588b85000) = 0x555588b85000 mprotect(0x7f8fd6506000, 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_NETLINK, SOCK_RAW, NETLINK_XFRM) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 4 sendmsg(4, {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) = 5 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\x60\x30\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 socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 6 setsockopt(6, SOL_IPV6, IPV6_XFRM_POLICY, "\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\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_INET6, SOCK_DGRAM, IPPROTO_IP) = 7 setsockopt(7, SOL_IPV6, IPV6_XFRM_POLICY, "\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\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 sendmsg(-1, {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) = -1 EBADF (Bad file descriptor) [ 27.618306][ T30] audit: type=1400 audit(1754632090.293:64): avc: denied { execmem } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 27.640865][ T30] audit: type=1400 audit(1754632090.323:65): avc: denied { create } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 socket(AF_KEY, SOCK_RAW, 2) = 8 setsockopt(8, SOL_SOCKET, SO_RCVBUF, [0], 4) = 0 sendmsg(8, {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 [ 27.662200][ T30] audit: type=1400 audit(1754632090.343:66): avc: denied { write } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 27.663117][ T288] ================================================================== [ 27.683232][ T30] audit: type=1400 audit(1754632090.343:67): avc: denied { nlmsg_write } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 27.690718][ T288] BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 27.711716][ T30] audit: type=1400 audit(1754632090.343:68): avc: denied { create } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 27.720758][ T288] Read of size 1 at addr ffff88811e4773f8 by task syz-executor362/288 [ 27.720777][ T288] [ 27.720791][ T288] CPU: 1 PID: 288 Comm: syz-executor362 Not tainted 5.15.189-syzkaller-00091-gf32b52534f1d #0 [ 27.740795][ T30] audit: type=1400 audit(1754632090.343:69): avc: denied { setopt } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 27.748769][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 27.748795][ T288] Call Trace: [ 27.748801][ T288] [ 27.751445][ T30] audit: type=1400 audit(1754632090.343:70): avc: denied { write } for pid=288 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 27.761420][ T288] __dump_stack+0x21/0x30 [ 27.761451][ T288] dump_stack_lvl+0xee/0x150 [ 27.761469][ T288] ? show_regs_print_info+0x20/0x20 [ 27.832478][ T288] ? load_image+0x3a0/0x3a0 [ 27.837312][ T288] ? unwind_get_return_address+0x4d/0x90 [ 27.843005][ T288] print_address_description+0x7f/0x2c0 [ 27.848770][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 27.855286][ T288] kasan_report+0xf1/0x140 [ 27.859842][ T288] ? xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 27.866437][ T288] __asan_report_load1_noabort+0x14/0x20 [ 27.872265][ T288] xfrm_policy_inexact_list_reinsert+0x620/0x6d0 [ 27.878688][ T288] xfrm_policy_inexact_insert_node+0x938/0xb50 [ 27.884858][ T288] ? xfrm_netlink_rcv+0x72/0x90 [ 27.889709][ T288] ? netlink_unicast+0x876/0xa40 [ 27.894643][ T288] ? ____sys_sendmsg+0x5a2/0x8c0 [ 27.899596][ T288] ? x64_sys_call+0x4b/0x9a0 [ 27.904623][ T288] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.910711][ T288] xfrm_policy_inexact_alloc_chain+0x53a/0xb30 [ 27.916878][ T288] xfrm_policy_inexact_insert+0x70/0x1130 [ 27.922615][ T288] ? __get_hash_thresh+0x10c/0x420 [ 27.927728][ T288] ? policy_hash_bysel+0x110/0x4f0 [ 27.932935][ T288] xfrm_policy_insert+0x126/0x9a0 [ 27.938090][ T288] ? xfrm_policy_construct+0x54f/0x1f00 [ 27.943748][ T288] xfrm_add_policy+0x4d1/0x830 [ 27.948522][ T288] ? xfrm_dump_sa_done+0xc0/0xc0 [ 27.953592][ T288] xfrm_user_rcv_msg+0x45c/0x6e0 [ 27.958750][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 27.963746][ T288] ? avc_has_perm_noaudit+0x460/0x460 [ 27.969131][ T288] ? x64_sys_call+0x4b/0x9a0 [ 27.973894][ T288] ? selinux_nlmsg_lookup+0x237/0x4c0 [ 27.979393][ T288] netlink_rcv_skb+0x1e0/0x430 [ 27.984350][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 27.989518][ T288] ? netlink_ack+0xb60/0xb60 [ 27.994235][ T288] ? wait_for_completion_killable_timeout+0x10/0x10 [ 28.000829][ T288] ? __netlink_lookup+0x387/0x3b0 [ 28.006079][ T288] xfrm_netlink_rcv+0x72/0x90 [ 28.010954][ T288] netlink_unicast+0x876/0xa40 [ 28.015828][ T288] netlink_sendmsg+0x86a/0xb70 [ 28.020952][ T288] ? netlink_getsockopt+0x530/0x530 [ 28.026170][ T288] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 28.031909][ T288] ? security_socket_sendmsg+0x82/0xa0 [ 28.037381][ T288] ? netlink_getsockopt+0x530/0x530 [ 28.042750][ T288] ____sys_sendmsg+0x5a2/0x8c0 [ 28.047615][ T288] ? __sys_sendmsg_sock+0x40/0x40 [ 28.052722][ T288] ? import_iovec+0x7c/0xb0 [ 28.057282][ T288] ___sys_sendmsg+0x1f0/0x260 [ 28.062101][ T288] ? _raw_spin_unlock+0x4d/0x70 [ 28.067051][ T288] ? __sys_sendmsg+0x250/0x250 [ 28.071818][ T288] ? __schedule+0xb76/0x14c0 [ 28.076418][ T288] ? _raw_spin_lock_irqsave+0x110/0x110 [ 28.081961][ T288] ? cgroup_update_frozen+0x15c/0x970 [ 28.087451][ T288] ? ptrace_stop+0x6f4/0xa80 [ 28.092055][ T288] ? __kasan_check_read+0x11/0x20 [ 28.097533][ T288] ? __fdget+0x15b/0x230 [ 28.101899][ T288] __x64_sys_sendmsg+0x1e2/0x2a0 [ 28.106961][ T288] ? ___sys_sendmsg+0x260/0x260 [ 28.111820][ T288] ? __kasan_check_write+0x14/0x20 [ 28.116943][ T288] ? switch_fpu_return+0x15d/0x2c0 [ 28.122240][ T288] x64_sys_call+0x4b/0x9a0 [ 28.126696][ T288] do_syscall_64+0x4c/0xa0 [ 28.131169][ T288] ? clear_bhb_loop+0x50/0xa0 [ 28.136040][ T288] ? clear_bhb_loop+0x50/0xa0 [ 28.141082][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 28.147098][ T288] RIP: 0033:0x7f8fd6492c29 [ 28.151526][ 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 [ 28.171309][ T288] RSP: 002b:00007ffdb8756568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.179980][ T288] RAX: ffffffffffffffda RBX: 00007ffdb8756738 RCX: 00007f8fd6492c29 [ 28.187967][ T288] RDX: 0000000000000000 RSI: 0000200000000580 RDI: 0000000000000003 [ 28.195936][ T288] RBP: 00007f8fd6506610 R08: 0000000000000000 R09: 00007ffdb8756738 [ 28.203991][ T288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 28.211977][ T288] R13: 00007ffdb8756728 R14: 0000000000000001 R15: 0000000000000001 [ 28.219966][ T288] [ 28.222980][ T288] [ 28.225300][ T288] Allocated by task 288: [ 28.229527][ T288] __kasan_kmalloc+0xda/0x110 [ 28.234226][ T288] __kmalloc+0x13d/0x2c0 [ 28.238460][ T288] sk_prot_alloc+0xed/0x320 [ 28.242961][ T288] sk_alloc+0x38/0x430 [ 28.247020][ T288] pfkey_create+0x12a/0x660 [ 28.251516][ T288] __sock_create+0x38d/0x7a0 [ 28.256125][ T288] __sys_socket+0xec/0x190 [ 28.260797][ T288] __x64_sys_socket+0x7a/0x90 [ 28.265485][ T288] x64_sys_call+0x8c5/0x9a0 [ 28.270080][ T288] do_syscall_64+0x4c/0xa0 [ 28.274491][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 28.280375][ T288] [ 28.282689][ T288] The buggy address belongs to the object at ffff88811e477000 [ 28.282689][ T288] which belongs to the cache kmalloc-1k of size 1024 [ 28.296957][ T288] The buggy address is located 1016 bytes inside of [ 28.296957][ T288] 1024-byte region [ffff88811e477000, ffff88811e477400) [ 28.310822][ T288] The buggy address belongs to the page: [ 28.316484][ T288] page:ffffea0004791c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11e470 [ 28.326875][ T288] head:ffffea0004791c00 order:3 compound_mapcount:0 compound_pincount:0 [ 28.335403][ T288] flags: 0x4000000000010200(slab|head|zone=1) [ 28.341578][ T288] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 28.350277][ T288] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 28.359059][ T288] page dumped because: kasan: bad access detected [ 28.365558][ T288] page_owner tracks the page as allocated [ 28.371439][ T288] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 288, ts 27660449168, free_ts 21974816659 [ 28.390574][ T288] post_alloc_hook+0x192/0x1b0 [ 28.395340][ T288] prep_new_page+0x1c/0x110 [ 28.399838][ T288] get_page_from_freelist+0x2cc5/0x2d50 [ 28.405560][ T288] __alloc_pages+0x18f/0x440 [ 28.410144][ T288] new_slab+0xa1/0x4d0 [ 28.414218][ T288] ___slab_alloc+0x381/0x810 [ 28.418802][ T288] __slab_alloc+0x49/0x90 [ 28.423208][ T288] __kmalloc_track_caller+0x169/0x2c0 [ 28.428574][ T288] __alloc_skb+0x21a/0x740 [ 28.432982][ T288] pfkey_send_policy_notify+0x131/0x960 [ 28.438524][ T288] km_policy_notify+0x71/0xd0 [ 28.443214][ T288] xfrm_add_policy+0x5a9/0x830 [ 28.448249][ T288] xfrm_user_rcv_msg+0x45c/0x6e0 [ 28.453181][ T288] netlink_rcv_skb+0x1e0/0x430 [ 28.457949][ T288] xfrm_netlink_rcv+0x72/0x90 [ 28.462638][ T288] netlink_unicast+0x876/0xa40 [ 28.467412][ T288] page last free stack trace: [ 28.472085][ T288] free_unref_page_prepare+0x542/0x550 [ 28.477712][ T288] free_unref_page+0xa2/0x550 [ 28.482494][ T288] free_compound_page+0x78/0xa0 [ 28.487485][ T288] __put_compound_page+0x77/0xb0 [ 28.492423][ T288] __put_page+0xbc/0xe0 [ 28.496595][ T288] skb_release_data+0x3d3/0xa10 [ 28.501457][ T288] __kfree_skb+0x50/0x70 [ 28.505692][ T288] tcp_recvmsg_locked+0x14ac/0x2640 [ 28.510884][ T288] tcp_recvmsg+0x21b/0x720 [ 28.515385][ T288] inet_recvmsg+0x134/0x470 [ 28.519889][ T288] sock_read_iter+0x2a2/0x340 [ 28.524675][ T288] vfs_read+0x68b/0xbe0 [ 28.528846][ T288] ksys_read+0x140/0x240 [ 28.533100][ T288] __x64_sys_read+0x7b/0x90 [ 28.537606][ T288] x64_sys_call+0x96d/0x9a0 [ 28.542126][ T288] do_syscall_64+0x4c/0xa0 [ 28.546560][ T288] [ 28.548962][ T288] Memory state around the buggy address: [ 28.555161][ T288] ffff88811e477280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.563490][ T288] ffff88811e477300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sendmsg(3, {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\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 exit_group(0) = ? +++ exited with 0 +++ [ 28.57