------------[ cut here ]------------
WARNING: CPU: 1 PID: 14781 at mm/filemap.c:222 PageDirty include/linux/page-flags.h:318 [inline]
WARNING: CPU: 1 PID: 14781 at mm/filemap.c:222 unaccount_page_cache_page+0x75d/0x9c0 mm/filemap.c:222
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 14781 Comm: syz-executor.1 Not tainted 5.4.0-rc7+ #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+0x1fb/0x318 lib/dump_stack.c:118
panic+0x264/0x7a9 kernel/panic.c:221
__warn+0x20e/0x210 kernel/panic.c:582
report_bug+0x1b6/0x2f0 lib/bug.c:195
fixup_bug arch/x86/kernel/traps.c:179 [inline]
do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272
do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:unaccount_page_cache_page+0x75d/0x9c0 include/linux/page-flags.h:318
Code: c6 fe ff ff 49 ff cf 4c 89 fb 49 83 fc ff 0f 85 1a ff ff ff e8 84 07 e3 ff 48 89 df 48 c7 c6 54 37 36 88 e8 e5 9c 0c 00 0f 0b <0f> 0b 48 8b 4d c0 48 89 c8 48 c1 e8 03 42 80 3c 28 00 74 0d 48 8b
RSP: 0018:ffff8880577e7610 EFLAGS: 00010002
RAX: 0000000000000002 RBX: 0000000000000008 RCX: ffffffff81906eae
RDX: ffff8880a062a400 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff8880577e7658 R08: ffffffff81906ed5 R09: fffff9400023d1b9
R10: fffff9400023d1b9 R11: 0000000000000000 R12: 01fffc00000020bf
R13: dffffc0000000000 R14: ffffea00011e8dc0 R15: ffffea000120b3c8
delete_from_page_cache_batch+0x106/0x960 mm/filemap.c:355
truncate_inode_pages_range+0x7d2/0x16e0 mm/truncate.c:366
truncate_inode_pages+0x24/0x30 mm/truncate.c:476
kill_bdev+0xce/0xe0 fs/block_dev.c:86
loop_set_status+0x2bd/0x12f0 drivers/block/loop.c:1257
lo_ioctl+0xada/0x2200 drivers/block/loop.c:1411
__blkdev_driver_ioctl block/ioctl.c:304 [inline]
blkdev_ioctl+0x807/0x2980 block/ioctl.c:606
block_ioctl+0xbd/0x100 fs/block_dev.c:1954
do_vfs_ioctl+0x744/0x1730 fs/ioctl.c:46
ksys_ioctl fs/ioctl.c:713 [inline]
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0xe3/0x120 fs/ioctl.c:718
do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f83cb8eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639
RDX: 0000000020000200 RSI: 0000000000004c04 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83cb8ef6d4
R13: 00000000004c4137 R14: 00000000004d84d8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..