EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1797 at kernel/events/core.c:1690 perf_group_attach kernel/events/core.c:1690 [inline]
WARNING: CPU: 0 PID: 1797 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: 1797 Comm: syz-fuzzer Not tainted 4.14.144+ #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xca/0x134 lib/dump_stack.c:53
 panic+0x1ea/0x3d3 kernel/panic.c:182
 __warn.cold+0x2f/0x3a kernel/panic.c:546
 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: 0000:ffff8881dba07ec8 EFLAGS: 00010006
RAX: ffff8881c6f6af00 RBX: ffff8881c5f25d80 RCX: 1ffff1103b745d1f
RDX: 0000000000010000 RSI: 00000000ffffffff RDI: ffff8881c5f25f88
RBP: ffff8881a2047700 R08: 00000000000079a3 R09: ffffed103b745d02
R10: ffffed103b745d01 R11: ffff8881dba2e80b R12: ffff8881dba31fc0
R13: ffff8881a204778c R14: ffff8881dba2e8f0 R15: ffff8881dba2e8f0
 __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:296
 call_function_single_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0033:0x4126fb
RSP: 002b:000000c420107e28 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff04
RAX: 000000c420000000 RBX: 000000c4279f3f80 RCX: 000000c420001980
RDX: 0000000000003cf9 RSI: 00007fa107cb8900 RDI: 000000c4279f2000
RBP: 000000c420107e70 R08: 0000000000000003 R09: 00000000006a1b00
R10: 0000000000000020 R11: 000000c4279f3f80 R12: 0000000000000000
R13: 0000000000000020 R14: 0000000000000013 R15: 000000c4254e6648
Kernel Offset: 0x21c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..