./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3637442398 <...> Warning: Permanently added '10.128.0.142' (ED25519) to the list of known hosts. execve("./syz-executor3637442398", ["./syz-executor3637442398"], 0x7ffd9ce1eea0 /* 10 vars */) = 0 brk(NULL) = 0x5555857eb000 brk(0x5555857ebd00) = 0x5555857ebd00 arch_prctl(ARCH_SET_FS, 0x5555857eb380) = 0 set_tid_address(0x5555857eb650) = 295 set_robust_list(0x5555857eb660, 24) = 0 rseq(0x5555857ebca0, 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-executor3637442398", 4096) = 28 getrandom("\x89\x97\xc5\x75\x50\xe8\xa6\x0e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555857ebd00 brk(0x55558580cd00) = 0x55558580cd00 brk(0x55558580d000) = 0x55558580d000 mprotect(0x7f42092ca000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 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 [ 23.586568][ T30] audit: type=1400 audit(1738308539.107:66): avc: denied { execmem } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.598537][ T295] ================================================================== [ 23.605923][ T30] audit: type=1400 audit(1738308539.117:67): avc: denied { create } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 23.613738][ T295] BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 23.633536][ T30] audit: type=1400 audit(1738308539.117:68): avc: denied { setopt } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 23.642210][ T295] Read of size 1 at addr ffff88810cebbbf8 by task syz-executor363/295 [ 23.642230][ T295] [ 23.642235][ T295] CPU: 0 PID: 295 Comm: syz-executor363 Not tainted 5.15.176-syzkaller-00066-gd1a25a6a4b3b #0 [ 23.642255][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 23.642278][ T295] Call Trace: [ 23.662045][ T30] audit: type=1400 audit(1738308539.117:69): avc: denied { write } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 23.669549][ T295] [ 23.669560][ T295] dump_stack_lvl+0x151/0x1c0 [ 23.669586][ T295] ? io_uring_drop_tctx_refs+0x190/0x190 [ 23.669605][ T295] ? panic+0x760/0x760 [ 23.672178][ T30] audit: type=1400 audit(1738308539.117:70): avc: denied { create } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 23.681786][ T295] print_address_description+0x87/0x3b0 [ 23.681816][ T295] ? stack_trace_save+0x113/0x1c0 [ 23.692039][ T30] audit: type=1400 audit(1738308539.117:71): avc: denied { write } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 23.694800][ T295] ? ___sys_sendmsg+0x252/0x2e0 [ 23.714451][ T30] audit: type=1400 audit(1738308539.117:72): avc: denied { nlmsg_write } for pid=295 comm="syz-executor363" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 23.716933][ T295] kasan_report+0x179/0x1c0 [ 23.810846][ T295] ? xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 23.817178][ T295] ? xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 23.823512][ T295] __asan_report_load1_noabort+0x14/0x20 [ 23.828986][ T295] xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 23.835143][ T295] ? ____kasan_kmalloc+0xed/0x110 [ 23.840008][ T295] ? ____kasan_kmalloc+0xdb/0x110 [ 23.844868][ T295] ? xfrm_policy_addr_delta+0x23b/0x370 [ 23.850247][ T295] xfrm_policy_inexact_insert_node+0x917/0xb00 [ 23.856234][ T295] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 23.862144][ T295] ? xfrm_policy_inexact_alloc_bin+0x5ad/0x13f0 [ 23.868215][ T295] xfrm_policy_inexact_alloc_chain+0x4ec/0xaf0 [ 23.874204][ T295] xfrm_policy_inexact_insert+0x6a/0x1160 [ 23.879758][ T295] ? __kasan_check_write+0x14/0x20 [ 23.884712][ T295] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 23.889562][ T295] ? policy_hash_bysel+0x137/0x700 [ 23.894520][ T295] xfrm_policy_insert+0xe7/0x940 [ 23.899298][ T295] xfrm_add_policy+0x4f2/0x980 [ 23.904318][ T295] ? cap_capable+0x1d2/0x270 [ 23.908832][ T295] ? xfrm_dump_sa_done+0xc0/0xc0 [ 23.913609][ T295] xfrm_user_rcv_msg+0x4f3/0x7d0 [ 23.918384][ T295] ? xfrm_netlink_rcv+0x90/0x90 [ 23.923078][ T295] ? avc_has_perm+0x16f/0x260 [ 23.927698][ T295] ? ____kasan_kmalloc+0xed/0x110 [ 23.932589][ T295] ? avc_has_perm_noaudit+0x430/0x430 [ 23.937772][ T295] ? x64_sys_call+0x16a/0x9a0 [ 23.942287][ T295] netlink_rcv_skb+0x1cf/0x410 [ 23.946881][ T295] ? xfrm_netlink_rcv+0x90/0x90 [ 23.951595][ T295] ? netlink_ack+0xb10/0xb10 [ 23.955991][ T295] ? mutex_lock+0xb6/0x1e0 [ 23.960248][ T295] ? wait_for_completion_killable_timeout+0x10/0x10 [ 23.966810][ T295] ? __netlink_lookup+0x37b/0x3a0 [ 23.971662][ T295] xfrm_netlink_rcv+0x72/0x90 [ 23.976177][ T295] netlink_unicast+0x8df/0xac0 [ 23.980777][ T295] ? netlink_detachskb+0x90/0x90 [ 23.985547][ T295] ? security_netlink_send+0x7b/0xa0 [ 23.990844][ T295] netlink_sendmsg+0xa0a/0xd20 [ 23.995452][ T295] ? netlink_getsockopt+0x560/0x560 [ 24.000475][ T295] ? security_socket_sendmsg+0x82/0xb0 [ 24.005769][ T295] ? netlink_getsockopt+0x560/0x560 [ 24.010803][ T295] ____sys_sendmsg+0x59e/0x8f0 [ 24.015413][ T295] ? __sys_sendmsg_sock+0x40/0x40 [ 24.020263][ T295] ? import_iovec+0xe5/0x120 [ 24.024696][ T295] ___sys_sendmsg+0x252/0x2e0 [ 24.029205][ T295] ? __sys_sendmsg+0x260/0x260 [ 24.033823][ T295] ? cgroup_leave_frozen+0x164/0x2c0 [ 24.038932][ T295] ? __kasan_check_read+0x11/0x20 [ 24.043786][ T295] ? __fdget+0x179/0x240 [ 24.047864][ T295] __se_sys_sendmsg+0x19a/0x260 [ 24.052550][ T295] ? __x64_sys_sendmsg+0x90/0x90 [ 24.057322][ T295] ? ptrace_notify+0x24c/0x350 [ 24.061927][ T295] ? __kasan_check_write+0x14/0x20 [ 24.066872][ T295] __x64_sys_sendmsg+0x7b/0x90 [ 24.071476][ T295] x64_sys_call+0x16a/0x9a0 [ 24.075825][ T295] do_syscall_64+0x3b/0xb0 [ 24.080065][ T295] ? clear_bhb_loop+0x35/0x90 [ 24.084575][ T295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.090491][ T295] RIP: 0033:0x7f4209256be9 [ 24.094733][ T295] 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 [ 24.114173][ T295] RSP: 002b:00007ffeb0d19f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.122422][ T295] RAX: ffffffffffffffda RBX: 00007ffeb0d1a108 RCX: 00007f4209256be9 [ 24.130231][ T295] RDX: 0000000000004000 RSI: 0000000020000580 RDI: 0000000000000005 [ 24.138040][ T295] RBP: 00007f42092ca610 R08: 00007ffeb0d1a108 R09: 00007ffeb0d1a108 [ 24.145852][ T295] R10: 000000000000000a R11: 0000000000000246 R12: 0000000000000001 [ 24.153665][ T295] R13: 00007ffeb0d1a0f8 R14: 0000000000000001 R15: 0000000000000001 [ 24.161482][ T295] [ 24.164339][ T295] [ 24.166521][ T295] Allocated by task 295: [ 24.170590][ T295] ____kasan_kmalloc+0xdb/0x110 [ 24.175278][ T295] __kasan_kmalloc+0x9/0x10 [ 24.179613][ T295] __kmalloc+0x13f/0x2c0 [ 24.183718][ T295] sk_prot_alloc+0xf9/0x330 [ 24.188032][ T295] sk_alloc+0x38/0x430 [ 24.192370][ T295] pfkey_create+0x12c/0x620 [ 24.196713][ T295] __sock_create+0x3be/0x7e0 [ 24.201141][ T295] __sys_socket+0x132/0x370 [ 24.205475][ T295] __x64_sys_socket+0x7a/0x90 [ 24.209991][ T295] x64_sys_call+0x147/0x9a0 [ 24.214328][ T295] do_syscall_64+0x3b/0xb0 [ 24.218582][ T295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.224309][ T295] [ 24.226479][ T295] The buggy address belongs to the object at ffff88810cebb800 [ 24.226479][ T295] which belongs to the cache kmalloc-1k of size 1024 [ 24.240368][ T295] The buggy address is located 1016 bytes inside of [ 24.240368][ T295] 1024-byte region [ffff88810cebb800, ffff88810cebbc00) [ 24.253648][ T295] The buggy address belongs to the page: [ 24.259126][ T295] page:ffffea000433ae00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ceb8 [ 24.269186][ T295] head:ffffea000433ae00 order:3 compound_mapcount:0 compound_pincount:0 [ 24.277341][ T295] flags: 0x4000000000010200(slab|head|zone=1) [ 24.283256][ T295] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 24.291680][ T295] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 24.300079][ T295] page dumped because: kasan: bad access detected [ 24.306342][ T295] page_owner tracks the page as allocated [ 24.311884][ T295] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 290, ts 23590308762, free_ts 23579499269 [ 24.330724][ T295] post_alloc_hook+0x1a3/0x1b0 [ 24.335318][ T295] prep_new_page+0x1b/0x110 [ 24.339659][ T295] get_page_from_freelist+0x3550/0x35d0 [ 24.345040][ T295] __alloc_pages+0x27e/0x8f0 [ 24.349467][ T295] new_slab+0x9a/0x4e0 [ 24.353372][ T295] ___slab_alloc+0x39e/0x830 [ 24.357886][ T295] __slab_alloc+0x4a/0x90 [ 24.362051][ T295] __kmalloc_track_caller+0x171/0x2c0 [ 24.367262][ T295] __alloc_skb+0x10c/0x550 [ 24.371513][ T295] sk_stream_alloc_skb+0x1f8/0xad0 [ 24.376460][ T295] tcp_sendmsg_locked+0xd34/0x3a90 [ 24.381408][ T295] tcp_sendmsg+0x2f/0x50 [ 24.385483][ T295] inet_sendmsg+0xa1/0xc0 [ 24.389652][ T295] sock_write_iter+0x39b/0x530 [ 24.394250][ T295] vfs_write+0xd5d/0x1110 [ 24.398418][ T295] ksys_write+0x199/0x2c0 [ 24.402721][ T295] page last free stack trace: [ 24.407317][ T295] free_unref_page_prepare+0x7c8/0x7d0 [ 24.412612][ T295] free_unref_page+0xe8/0x750 [ 24.417123][ T295] __free_pages+0x61/0xf0 [ 24.421289][ T295] __free_slab+0xec/0x1d0 [ 24.425462][ T295] __unfreeze_partials+0x165/0x1a0 [ 24.430402][ T295] put_cpu_partial+0xc4/0x120 [ 24.434916][ T295] __slab_free+0x1c8/0x290 [ 24.439170][ T295] ___cache_free+0x109/0x120 [ 24.443631][ T295] qlink_free+0x4d/0x90 [ 24.447593][ T295] qlist_free_all+0x44/0xb0 [ 24.451925][ T295] kasan_quarantine_reduce+0x15a/0x180 [ 24.457451][ T295] __kasan_slab_alloc+0x2f/0xe0 [ 24.462127][ T295] slab_post_alloc_hook+0x53/0x2c0 [ 24.467076][ T295] kmem_cache_alloc+0xf5/0x250 [ 24.471674][ T295] __alloc_skb+0xbe/0x550 [ 24.475842][ T295] sk_stream_alloc_skb+0x1f8/0xad0 [ 24.480791][ T295] [ 24.482958][ T295] Memory state around the buggy address: [ 24.488432][ T295] ffff88810cebba80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.496330][ T295] ffff88810cebbb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.504230][ T295] >ffff88810cebbb80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 24.512120][ T295] ^ [ 24.519937][ T295] ffff88810cebbc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.527838][ T295] ffff88810cebbc80: 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 +++ [ 24.535728][ T295] =======================================