./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4190762682 <...> Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts. execve("./syz-executor4190762682", ["./syz-executor4190762682"], 0x7fff3f15e9d0 /* 10 vars */) = 0 brk(NULL) = 0x555559cb6000 brk(0x555559cb6d00) = 0x555559cb6d00 arch_prctl(ARCH_SET_FS, 0x555559cb6380) = 0 set_tid_address(0x555559cb6650) = 288 set_robust_list(0x555559cb6660, 24) = 0 rseq(0x555559cb6ca0, 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-executor4190762682", 4096) = 28 getrandom("\xe0\x72\xec\x6a\xec\xac\x16\x1a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559cb6d00 brk(0x555559cd7d00) = 0x555559cd7d00 brk(0x555559cd8000) = 0x555559cd8000 mprotect(0x7f128311b000, 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, 0executing program ) = 0x200001000000 write(1, "executing program\n", 18) = 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 [ 22.642155][ T24] audit: type=1400 audit(1745205103.320:66): avc: denied { execmem } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.664685][ T24] audit: type=1400 audit(1745205103.350:67): avc: denied { create } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 22.674352][ T288] ================================================================== [ 22.684953][ T24] audit: type=1400 audit(1745205103.360:68): avc: denied { setopt } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 22.692336][ T288] BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 22.692348][ T288] Read of size 1 at addr ffff88810c03e3d8 by task syz-executor419/288 [ 22.692351][ T288] [ 22.692363][ T288] CPU: 0 PID: 288 Comm: syz-executor419 Not tainted 5.10.236-syzkaller #0 [ 22.692369][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 22.692373][ T288] Call Trace: [ 22.692389][ T288] dump_stack_lvl+0x1e2/0x24b [ 22.692400][ T288] ? printk+0xd1/0x111 [ 22.692411][ T288] ? bfq_pos_tree_add_move+0x43b/0x43b [ 22.692422][ T288] ? wake_up_klogd+0xb8/0xf0 [ 22.692442][ T288] ? panic+0x812/0x812 [ 22.712722][ T24] audit: type=1400 audit(1745205103.360:69): avc: denied { write } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=key_socket permissive=1 [ 22.721174][ T288] print_address_description+0x81/0x3b0 [ 22.729794][ T24] audit: type=1400 audit(1745205103.360:70): avc: denied { create } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 22.731580][ T288] ? stack_trace_save+0x113/0x1c0 [ 22.739927][ T24] audit: type=1400 audit(1745205103.360:71): avc: denied { write } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 22.749801][ T288] kasan_report+0x179/0x1c0 [ 22.749816][ T288] ? xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 22.749828][ T288] ? xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 22.749839][ T288] __asan_report_load1_noabort+0x14/0x20 [ 22.749857][ T288] xfrm_policy_inexact_list_reinsert+0x5b0/0x660 [ 22.752957][ T24] audit: type=1400 audit(1745205103.360:72): avc: denied { nlmsg_write } for pid=288 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 22.757705][ T288] ? ____kasan_kmalloc+0xed/0x110 [ 22.899649][ T288] ? ____kasan_kmalloc+0xdb/0x110 [ 22.904479][ T288] ? xfrm_policy_addr_delta+0x20b/0x330 [ 22.909854][ T288] xfrm_policy_inexact_insert_node+0x917/0xb00 [ 22.915843][ T288] ? xfrm_policy_inexact_alloc_bin+0x651/0x1520 [ 22.921948][ T288] xfrm_policy_inexact_alloc_chain+0x4ec/0xaf0 [ 22.927929][ T288] xfrm_policy_inexact_insert+0x6a/0x1160 [ 22.933474][ T288] ? __kasan_check_write+0x14/0x20 [ 22.938408][ T288] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 22.943275][ T288] ? policy_hash_bysel+0x137/0x700 [ 22.948223][ T288] xfrm_policy_insert+0xe7/0x940 [ 22.953087][ T288] xfrm_add_policy+0x4f2/0x980 [ 22.957682][ T288] ? cap_capable+0x1ce/0x270 [ 22.962192][ T288] ? xfrm_dump_sa_done+0xc0/0xc0 [ 22.966973][ T288] xfrm_user_rcv_msg+0x4e7/0x7c0 [ 22.971741][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 22.976431][ T288] ? stack_trace_save+0x113/0x1c0 [ 22.981291][ T288] ? avc_has_perm_noaudit+0x240/0x240 [ 22.986502][ T288] ? iov_iter_advance+0x258/0xb20 [ 22.991359][ T288] netlink_rcv_skb+0x1cf/0x410 [ 22.995960][ T288] ? xfrm_netlink_rcv+0x90/0x90 [ 23.000645][ T288] ? netlink_ack+0xb30/0xb30 [ 23.005072][ T288] ? mutex_trylock+0xa0/0xa0 [ 23.009537][ T288] ? netlink_autobind+0x190/0x190 [ 23.014368][ T288] ? selinux_vm_enough_memory+0x170/0x170 [ 23.019920][ T288] xfrm_netlink_rcv+0x72/0x90 [ 23.024438][ T288] netlink_unicast+0x8df/0xac0 [ 23.029117][ T288] ? netlink_detachskb+0x90/0x90 [ 23.033892][ T288] ? security_netlink_send+0x7b/0xa0 [ 23.039012][ T288] netlink_sendmsg+0xa46/0xd00 [ 23.043616][ T288] ? netlink_getsockopt+0x5c0/0x5c0 [ 23.048647][ T288] ? check_stack_object+0x114/0x130 [ 23.053690][ T288] ? security_socket_sendmsg+0x82/0xb0 [ 23.059017][ T288] ? netlink_getsockopt+0x5c0/0x5c0 [ 23.064193][ T288] ____sys_sendmsg+0x59e/0x8f0 [ 23.068789][ T288] ? iovec_from_user+0x2d9/0x330 [ 23.073556][ T288] ? __import_iovec+0x253/0x3b0 [ 23.078245][ T288] ? __sys_sendmsg_sock+0x40/0x40 [ 23.083119][ T288] ___sys_sendmsg+0x252/0x2e0 [ 23.087620][ T288] ? __sys_sendmsg+0x280/0x280 [ 23.092218][ T288] ? finish_task_switch+0x130/0x5a0 [ 23.097256][ T288] ? __schedule+0xbee/0x1330 [ 23.101680][ T288] ? __kasan_check_write+0x14/0x20 [ 23.106633][ T288] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 23.111576][ T288] ? __kasan_check_read+0x11/0x20 [ 23.116476][ T288] ? __fdget+0x179/0x240 [ 23.120514][ T288] __se_sys_sendmsg+0x1b1/0x280 [ 23.125210][ T288] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.130236][ T288] ? __x64_sys_sendmsg+0x90/0x90 [ 23.135102][ T288] ? fpu__clear_all+0x20/0x20 [ 23.139611][ T288] __x64_sys_sendmsg+0x7b/0x90 [ 23.144307][ T288] do_syscall_64+0x31/0x40 [ 23.148558][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.154281][ T288] RIP: 0033:0x7f12830a7ae9 [ 23.158542][ 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 [ 23.178064][ T288] RSP: 002b:00007ffc7ffa47e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.186309][ T288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12830a7ae9 [ 23.194117][ T288] RDX: 0000000000004000 RSI: 0000200000000580 RDI: 0000000000000005 [ 23.202121][ T288] RBP: 0000200000000580 R08: 0000200000000017 R09: 0000000000000000 [ 23.209956][ T288] R10: 0000200000000012 R11: 0000000000000246 R12: 0000000000000000 [ 23.217833][ T288] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000a [ 23.225651][ T288] [ 23.227822][ T288] Allocated by task 288: [ 23.231912][ T288] ____kasan_kmalloc+0xdb/0x110 [ 23.236579][ T288] __kasan_kmalloc+0x9/0x10 [ 23.240925][ T288] __kmalloc+0x1aa/0x330 [ 23.245220][ T288] sk_prot_alloc+0xbe/0x370 [ 23.249826][ T288] sk_alloc+0x38/0x4d0 [ 23.253723][ T288] pfkey_create+0x12c/0x620 [ 23.258063][ T288] __sock_create+0x3a6/0x760 [ 23.262551][ T288] __sys_socket+0x132/0x370 [ 23.266828][ T288] __x64_sys_socket+0x7a/0x90 [ 23.271446][ T288] do_syscall_64+0x31/0x40 [ 23.275698][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.281421][ T288] [ 23.283597][ T288] The buggy address belongs to the object at ffff88810c03e000 [ 23.283597][ T288] which belongs to the cache kmalloc-1k of size 1024 [ 23.297484][ T288] The buggy address is located 984 bytes inside of [ 23.297484][ T288] 1024-byte region [ffff88810c03e000, ffff88810c03e400) [ 23.310805][ T288] The buggy address belongs to the page: [ 23.316376][ T288] page:ffffea0004300e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10c038 [ 23.326481][ T288] head:ffffea0004300e00 order:3 compound_mapcount:0 compound_pincount:0 [ 23.334687][ T288] flags: 0x4000000000010200(slab|head) [ 23.339981][ T288] raw: 4000000000010200 ffffea00042ff400 0000000300000003 ffff888100042f00 [ 23.348425][ T288] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 23.356829][ T288] page dumped because: kasan: bad access detected [ 23.363067][ T288] page_owner tracks the page as allocated [ 23.368826][ 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 1, ts 2876635803, free_ts 0 [ 23.386708][ T288] prep_new_page+0x166/0x180 [ 23.391124][ T288] get_page_from_freelist+0x2d8c/0x2f30 [ 23.396702][ T288] __alloc_pages_nodemask+0x435/0xaf0 [ 23.401915][ T288] new_slab+0x80/0x400 [ 23.405803][ T288] ___slab_alloc+0x302/0x4b0 [ 23.410227][ T288] __slab_alloc+0x63/0xa0 [ 23.414391][ T288] __kmalloc_track_caller+0x1f8/0x320 [ 23.419598][ T288] __alloc_skb+0xbc/0x510 [ 23.423852][ T288] alloc_uevent_skb+0x80/0x230 [ 23.428452][ T288] kobject_uevent_net_broadcast+0x188/0x590 [ 23.434180][ T288] kobject_uevent_env+0x525/0x700 [ 23.439039][ T288] kobject_uevent+0x1f/0x30 [ 23.443383][ T288] device_add+0x791/0xbc0 [ 23.447550][ T288] netdev_register_kobject+0x177/0x320 [ 23.452867][ T288] register_netdevice+0xe9b/0x13f0 [ 23.457893][ T288] register_netdev+0x3c/0x50 [ 23.462301][ T288] page_owner free stack trace missing [ 23.468029][ T288] [ 23.470200][ T288] Memory state around the buggy address: [ 23.475806][ T288] ffff88810c03e280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.483764][ T288] ffff88810c03e300: 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 +++ [ 23.491660][ T288] >ffff88810c03e380: 00 00 00 0