WARNING: CPU: 1 PID: 31132 at fs/attr.c:234 notify_change+0xca2/0xfb0 fs/attr.c:234
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 31132 Comm: syz-executor.2 Not tainted 5.1.0-rc1-next-20190322 #9
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+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:notify_change+0xca2/0xfb0 fs/attr.c:234
Code: b4 5b 0a 00 e8 0f 98 b7 ff 4c 8b 7c 24 20 4c 89 ff e8 e2 6b 4a 01 89 de 4c 89 ff e8 c8 87 4a 01 e9 33 fa ff ff e8 ee 97 b7 ff <0f> 0b e9 42 f4 ff ff e8 e2 97 b7 ff 44 89 f3 4c 89 ea 48 b8 00 00
RSP: 0018:ffff88804f8079a0 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000004200 RCX: ffffc90005bb3000
RDX: 00000000000000e5 RSI: ffffffff81b90082 RDI: 0000000000000007
RBP: ffff88804f8079f0 R08: ffff8880a8f38400 R09: ffffed1014784244
R10: ffffed1014784243 R11: ffff8880a3c2121f R12: ffff88804f807a40
R13: ffff8880a3c21140 R14: 0000000000000000 R15: ffff88804f807ad0
 __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:3374
 blkdev_write_iter fs/block_dev.c:1964 [inline]
 blkdev_write_iter+0x23a/0x440 fs/block_dev.c:1941
 call_write_iter include/linux/fs.h:1863 [inline]
 new_sync_write+0x4c7/0x760 fs/read_write.c:474
 __vfs_write+0xe4/0x110 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458209
Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff9563c7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458209
RDX: 0000000000000012 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9563c86d4
R13: 00000000004c761d R14: 00000000004dd210 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..