should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x25a/0x400 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3696 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0x96/0x510 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1159 [inline] netlink_sendmsg+0x901/0xb80 net/netlink/af_netlink.c:1853 general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 18579 Comm: syz-executor.4 Not tainted 4.14.232-syzkaller #0 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 task: ffff8880aa44e640 task.stack: ffff888057e78000 RIP: 0010:nla_get_le16 include/net/netlink.h:1118 [inline] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x275/0x320 net/ieee802154/nl802154.c:1328 RSP: 0018:ffff888057e7f4b0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90006318000 RDX: 0000000000000000 RSI: ffffffff86dae840 RDI: 0000000000000004 RBP: ffff888057e7f658 R08: 0000000000000001 R09: ffff888057e7f4e0 R10: ffff888057e7f50f R11: ffff8880aa44e640 R12: 1ffff1100afcfe96 R13: 0000000000000000 R14: ffff88804a3ce7b8 R15: 0000000000000000 FS: 00007f16e4e52700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055da58dee970 CR3: 00000000a585a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 ieee802154_llsec_parse_key_id+0x2f4/0x3a0 net/ieee802154/nl802154.c:1367 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665d9 nl802154_add_llsec_key+0x27f/0x4f0 net/ieee802154/nl802154.c:1588 RSP: 002b:00007fe2144df188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007fe2144df1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc1cff5ddf R14: 00007fe2144df300 R15: 0000000000022000 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665d9 RSP: 002b:00007f16e4e52188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fffc26a231f R14: 00007f16e4e52300 R15: 0000000000022000 Code: 00 00 48 83 ec 80 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 30 3d 7a fa 49 8d 7f 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 04 84 d2 75 67 RIP: nla_get_le16 include/net/netlink.h:1118 [inline] RSP: ffff888057e7f4b0 RIP: ieee802154_llsec_parse_dev_addr+0x275/0x320 net/ieee802154/nl802154.c:1328 RSP: ffff888057e7f4b0 ---[ end trace 3570e7a4bdc2ef25 ]---