audit: type=1400 audit(1521980751.670:8): avc: denied { map } for pid=4224 comm="syz-execprog" path="/root/syzkaller-shm019862460" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 IPVS: ftp: loaded support on port[0] = 21 WARNING: CPU: 1 PID: 4232 at ./include/net/sock.h:638 sk_del_node_init include/net/sock.h:638 [inline] WARNING: CPU: 1 PID: 4232 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 net/smc/af_smc.c:90 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 4232 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #365 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+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x1f4/0x2b0 lib/bug.c:186 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:sk_del_node_init include/net/sock.h:638 [inline] RIP: 0010:smc_unhash_sk+0x335/0x450 net/smc/af_smc.c:90 RSP: 0018:ffff8801b0997198 EFLAGS: 00010293 RAX: ffff8801b332a340 RBX: 1ffff10036132e37 RCX: ffffffff85a44515 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10036132e3b RBP: ffff8801b0997280 R08: dffffc0000000000 R09: 0000000000000004 R10: ffff8801b0997050 R11: 0000000000000004 R12: ffff8801b0997258 R13: ffffffff87672540 R14: ffff8801b16c27c0 R15: 1ffff10036132e3b smc_release+0x322/0x580 net/smc/af_smc.c:148 sock_release+0x8d/0x1e0 net/socket.c:595 sock_close+0x16/0x20 net/socket.c:1149 __fput+0x327/0x7e0 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x9bb/0x1ad0 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73a/0x16d0 kernel/signal.c:2469 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454879 RSP: 002b:00007ffe8119d6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 RAX: 0000000000000001 RBX: 0000000002612914 RCX: 0000000000454879 RDX: 0000000000000000 RSI: 0000000000000269 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000458 R14: 00000000006f78e0 R15: 0000000000000003 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..