EXT4-fs error (device loop4): ext4_generic_delete_entry:2386: inode #2: block 37: comm syz-executor.4: bad entry in directory: rec_len is too small for name_len - offset=12, inode=2, rec_len=12, name_len=5, size=1024
EXT4-fs error (device loop4) in ext4_delete_entry:2446: Corrupt filesystem
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WARNING: CPU: 0 PID: 21346 at drivers/gpu/drm/drm_prime.c:982 drm_prime_destroy_file_private.cold+0x11/0x18 drivers/gpu/drm/drm_prime.c:982
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 21346 Comm: syz-executor.1 Not tainted 4.19.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:drm_prime_destroy_file_private.cold+0x11/0x18 drivers/gpu/drm/drm_prime.c:982
Code: 66 f9 48 c7 c7 c0 6d c5 88 e8 26 85 f5 ff 0f 0b 41 83 cc ff e9 be e6 db fb e8 1c df 66 f9 48 c7 c7 c0 6d c5 88 e8 0a 85 f5 ff <0f> 0b e9 ea f1 db fb e8 04 df 66 f9 48 c7 c7 a0 6f c5 88 e8 f2 84
RSP: 0018:ffff88804a7dfd58 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88809ca95590 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814de3d1 RDI: ffffed10094fbf9d
RBP: ffffffff83e835c0 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880915696c0
R13: ffff888091569900 R14: ffff888091569910 R15: ffff8880915698e8
 drm_file_free.part.0+0xa15/0xd30 drivers/gpu/drm/drm_file.c:257
 drm_file_free drivers/gpu/drm/drm_file.c:215 [inline]
 drm_release+0x210/0x360 drivers/gpu/drm/drm_file.c:480
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x41927b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc9ca18470 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041927b
RDX: 00000000005725b0 RSI: 0000000000000081 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000005725b0
R13: 00007ffc9ca18590 R14: 000000000056bf60 R15: 0000000000078853
Kernel Offset: disabled
Rebooting in 86400 seconds..