SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket pig=12690 comm=syz-executor6 WARNING: CPU: 1 PID: 12697 at mm/slab.c:4434 __check_heap_object+0xbc/0xd0 mm/slab.c:4433 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 12697 Comm: syz-executor5 Not tainted 4.14.0-rc7-next-20171103+ #38 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+0x1c4/0x1e0 kernel/panic.c:546 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:177 do_trap_no_signal arch/x86/kernel/traps.c:211 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:260 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:297 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:310 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:906 RIP: 0010:__check_heap_object+0xbc/0xd0 mm/slab.c:4433 RSP: 0018:ffff8801d3697600 EFLAGS: 00010282 RAX: 000000000000004a RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000004a RSI: ffffc90002149000 RDI: ffffed003a6d2eb4 RBP: ffff8801d3697608 R08: ffffffff85f32438 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0007657400 R13: ffff8801d95d12b0 R14: 000000000000000b R15: ffffea0007657400 check_heap_object mm/usercopy.c:222 [inline] __check_object_size+0x22c/0x4f0 mm/usercopy.c:248 check_object_size include/linux/thread_info.h:112 [inline] check_copy_size include/linux/thread_info.h:143 [inline] copy_from_user include/linux/uaccess.h:146 [inline] sctp_setsockopt_events net/sctp/socket.c:2260 [inline] sctp_setsockopt+0x14ad/0x5c80 net/sctp/socket.c:4078 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2965 SYSC_setsockopt net/socket.c:1851 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1830 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452869 RSP: 002b:00007f8d0d8acbe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869 RDX: 000000000000000b RSI: 0000000000000084 RDI: 0000000000000018 RBP: 0000000000000086 R08: 000000000000000b R09: 0000000000000000 R10: 0000000020006ff5 R11: 0000000000000212 R12: 00000000006f32c0 R13: 00000000ffffffff R14: 00007f8d0d8ad6d4 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..