nla_parse: 8 callbacks suppressed netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. WARNING: CPU: 1 PID: 8880 at ./include/net/sock.h:1510 sock_owned_by_me include/net/sock.h:1510 [inline] WARNING: CPU: 1 PID: 8880 at ./include/net/sock.h:1510 sock_owned_by_user include/net/sock.h:1516 [inline] WARNING: CPU: 1 PID: 8880 at ./include/net/sock.h:1510 strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8880 Comm: syz-executor5 Not tainted 4.15.0-rc4-mm1+ #49 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:177 fixup_bug arch/x86/kernel/traps.c:246 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:sock_owned_by_me include/net/sock.h:1510 [inline] RIP: 0010:sock_owned_by_user include/net/sock.h:1516 [inline] RIP: 0010:strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404 RSP: 0018:ffff8801ccd2f2a0 EFLAGS: 00010212 RAX: 0000000000010000 RBX: ffff8801c50afbc8 RCX: ffffffff84bbe257 RDX: 0000000000004c32 RSI: ffffc900043cc000 RDI: ffffffff866e5920 RBP: ffff8801ccd2f2c0 R08: ffffffff875cda50 R09: 000000000000230a R10: ffff8801ccd2f188 R11: dffffc0000000000 R12: ffff8801c493e580 R13: ffff8801c50afbd0 R14: ffff8801ccd2f4c0 R15: ffff8801ccd2f440 psock_data_ready+0x56/0x70 net/kcm/kcmsock.c:353 __netlink_sendskb+0x98/0xc0 net/netlink/af_netlink.c:1255 netlink_broadcast_deliver net/netlink/af_netlink.c:1379 [inline] do_one_broadcast net/netlink/af_netlink.c:1464 [inline] netlink_broadcast_filtered+0xd46/0x1360 net/netlink/af_netlink.c:1508 netlink_broadcast net/netlink/af_netlink.c:1532 [inline] nlmsg_multicast include/net/netlink.h:591 [inline] nlmsg_notify+0x91/0x150 net/netlink/af_netlink.c:2484 rtnl_notify+0xbb/0xe0 net/core/rtnetlink.c:713 rtmsg_ifa+0x178/0x1c0 net/ipv4/devinet.c:1715 __inet_insert_ifa+0x717/0xae0 net/ipv4/devinet.c:517 inet_rtm_newaddr+0xd90/0x1210 net/ipv4/devinet.c:906 rtnetlink_rcv_msg+0x57f/0xb10 net/core/rtnetlink.c:4522 netlink_rcv_skb+0x21e/0x460 net/netlink/af_netlink.c:2441 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4540 netlink_unicast_kernel net/netlink/af_netlink.c:1308 [inline] netlink_unicast+0x4be/0x6a0 net/netlink/af_netlink.c:1334 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1897 sock_sendmsg_nosec net/socket.c:628 [inline] sock_sendmsg+0xca/0x110 net/socket.c:638 sock_write_iter+0x31a/0x5d0 net/socket.c:907 call_write_iter include/linux/fs.h:1776 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x684/0x970 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452ac9 RSP: 002b:00007f312856bc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000000000022 RSI: 0000000020565fde RDI: 0000000000000015 RBP: 0000000000000566 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f6230 R13: 00000000ffffffff R14: 00007f312856c6d4 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..