SELinux:  Invalid class 108
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5398 at kernel/events/core.c:1690 perf_group_attach kernel/events/core.c:1690 [inline]
WARNING: CPU: 0 PID: 5398 at kernel/events/core.c:1690 add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5398 Comm: syz-executor.4 Not tainted 4.14.151+ #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xca/0x134 lib/dump_stack.c:53
 panic+0x1f1/0x3da kernel/panic.c:183
 __warn.cold+0x2f/0x33 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:perf_group_attach kernel/events/core.c:1690 [inline]
RIP: 0010:add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291
RSP: 0018:ffff8881dba07ec8 EFLAGS: 00010006
RAX: ffff8881949b5e00 RBX: ffff8881cf99b300 RCX: 1ffff1103b745b1f
RDX: 0000000000010000 RSI: 00000000ffffffff RDI: ffff8881cf99b508
RBP: ffff888194b8d500 R08: 00000000000041e7 R09: ffffed1039fce192
R10: ffffed1039fce191 R11: ffff8881cfe70c8b R12: ffff8881dba30fc0
R13: ffff888194b8d58c R14: ffff8881dba2d8f0 R15: ffff8881dba2d8f0
 __perf_install_in_context+0x241/0x2f0 kernel/events/core.c:2438
 remote_function kernel/events/core.c:87 [inline]
 remote_function+0x110/0x190 kernel/events/core.c:67
 flush_smp_call_function_queue+0xae/0x320 kernel/smp.c:243
 smp_call_function_single_interrupt+0xc7/0x530 arch/x86/kernel/smp.c:304
 call_function_single_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x2b/0x50 kernel/locking/spinlock.c:200
RSP: 0018:ffff8881c8d06dd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: 0000000000000001 RCX: 1ffff11032936ccf
RDX: 0000000000000000 RSI: ffff8881949b6658 RDI: ffff8881949b662c
RBP: ffff8881dba29240 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881dba29240
R13: ffff8881d33bde00 R14: 0000000000000000 R15: ffff8881949b5e00
 finish_lock_switch kernel/sched/sched.h:1491 [inline]
 finish_task_switch+0x204/0x660 kernel/sched/core.c:2733
 context_switch kernel/sched/core.c:2869 [inline]
 __schedule+0x894/0x1f80 kernel/sched/core.c:3454
 preempt_schedule_irq+0x5e/0xa0 kernel/sched/core.c:3681
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_release+0x3de/0x740 kernel/locking/lockdep.c:4016
RSP: 0018:ffff8881c8d06fe0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: 1ffff110391a0dff RCX: 1ffff11032936cc4
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000246
RBP: ffff8881949b5e00 R08: 0000000000000001 R09: 0000000000000002
R10: fffffbfff3e8600d R11: ffffffff9f43006b R12: f507ce37f9826b2b
R13: ffff8881949b5e00 R14: 0000000000000003 R15: ffff8881949b6628
 up_read+0x17/0x30 kernel/locking/rwsem.c:103
 ext4_da_map_blocks fs/ext4/inode.c:1938 [inline]
 ext4_da_get_block_prep+0x855/0x1040 fs/ext4/inode.c:1972
 __block_write_begin_int+0x316/0x1070 fs/buffer.c:2027
 ext4_da_write_begin+0x49b/0x10c0 fs/ext4/inode.c:3121
 generic_perform_write+0x1d2/0x460 mm/filemap.c:3132
 __generic_file_write_iter+0x32e/0x550 mm/filemap.c:3257
 ext4_file_write_iter+0x58f/0xdb0 fs/ext4/file.c:268
 call_write_iter include/linux/fs.h:1798 [inline]
 do_iter_readv_writev+0x379/0x580 fs/read_write.c:679
 do_iter_write fs/read_write.c:958 [inline]
 do_iter_write+0x152/0x550 fs/read_write.c:939
 vfs_iter_write+0x70/0xa0 fs/read_write.c:971
 iter_file_splice_write+0x560/0xa50 fs/splice.c:749
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x118/0x160 fs/splice.c:1018
 splice_direct_to_actor+0x292/0x760 fs/splice.c:973
 do_splice_direct+0x177/0x240 fs/splice.c:1061
 do_sendfile+0x493/0xb20 fs/read_write.c:1445
 SYSC_sendfile64 fs/read_write.c:1506 [inline]
 SyS_sendfile64+0x11f/0x140 fs/read_write.c:1492
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a219
RSP: 002b:00007efe3351ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a219
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008000fffffffe R11: 0000000000000246 R12: 00007efe3351f6d4
R13: 00000000004c7f94 R14: 00000000004de3b0 R15: 00000000ffffffff

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