WARNING: CPU: 0 PID: 25477 at fs/attr.c:234 notify_change+0xca0/0xfb0 fs/attr.c:234
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 25477 Comm: syz-executor.3 Not tainted 4.19.49 #21
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x507 kernel/panic.c:185
 __warn.cold+0x20/0x4a kernel/panic.c:540
 report_bug+0x263/0x2b0 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+0x204/0x360 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1013
RIP: 0010:notify_change+0xca0/0xfb0 fs/attr.c:234
Code: f6 e6 09 00 e8 91 55 b9 ff 4c 8b 7c 24 20 4c 89 ff e8 84 f7 42 01 89 de 4c 89 ff e8 6a 13 43 01 e9 35 fa ff ff e8 70 55 b9 ff <0f> 0b e9 44 f4 ff ff e8 64 55 b9 ff 44 89 f3 4c 89 ea 48 b8 00 00
RSP: 0018:ffff88804de0f9d0 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000004200 RCX: ffffc90005be9000
RDX: 0000000000000337 RSI: ffffffff81b1b120 RDI: 0000000000000007
RBP: ffff88804de0fa20 R08: ffff88808b6140c0 R09: ffffed10147cdee9
R10: ffffed10147cdee8 R11: ffff8880a3e6f747 R12: ffff88804de0fa70
R13: ffff8880a3e6f668 R14: 0000000000000000 R15: ffff88804de0fb00
 __remove_privs fs/inode.c:1806 [inline]
 file_remove_privs+0x2a9/0x480 fs/inode.c:1828
 __generic_file_write_iter+0x15e/0x630 mm/filemap.c:3210
 blkdev_write_iter fs/block_dev.c:1924 [inline]
 blkdev_write_iter+0x233/0x440 fs/block_dev.c:1901
 call_write_iter include/linux/fs.h:1820 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x587/0x810 fs/read_write.c:487
 vfs_write+0x20c/0x560 fs/read_write.c:549
 ksys_write+0x14f/0x2d0 fs/read_write.c:599
 __do_sys_write fs/read_write.c:611 [inline]
 __se_sys_write fs/read_write.c:608 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:608
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f663c70ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279
RDX: 00000000000000d2 RSI: 0000000020000400 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f663c70f6d4
R13: 00000000004c90d6 R14: 00000000004e0038 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..