loop0: detected capacity change from 512 to 0
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8522 at fs/ext4/xattr.c:1640 ext4_xattr_set_entry+0x29aa/0x3780 fs/ext4/xattr.c:1640
Modules linked in:
CPU: 1 PID: 8522 Comm: syz-executor746 Not tainted 5.10.0-rc7-next-20201210-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_xattr_set_entry+0x29aa/0x3780 fs/ext4/xattr.c:1640
Code: 00 e9 18 db ff ff e8 45 59 59 ff 48 8b 7c 24 10 45 31 f6 e8 78 9c cc ff 4c 8b ac 24 18 01 00 00 e9 f9 da ff ff e8 26 59 59 ff <0f> 0b e9 30 e1 ff ff e8 1a 59 59 ff 48 8b 54 24 48 31 f6 4c 89 e7
RSP: 0018:ffffc9000132f3a8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888024dc6020 RCX: 0000000000000000
RDX: ffff888021df5100 RSI: ffffffff821943ea RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff82192518 R11: 0000000000000000 R12: 00000000000003dc
R13: 0000000000000000 R14: 0000000000000001 R15: ffffc9000132f6f0
FS:  00007fe756d7e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005610898f28c8 CR3: 0000000012af5000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_xattr_block_set+0x837/0x2f60 fs/ext4/xattr.c:1942
 ext4_xattr_set_handle+0xcb6/0x1260 fs/ext4/xattr.c:2390
 ext4_xattr_set+0x13a/0x340 fs/ext4/xattr.c:2491
 __vfs_setxattr+0x10e/0x170 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11a/0x4c0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1bf/0x250 fs/xattr.c:266
 vfs_setxattr+0xe5/0x270 fs/xattr.c:283
 setxattr+0x23d/0x330 fs/xattr.c:548
 path_setxattr+0x170/0x190 fs/xattr.c:567
 __do_sys_lsetxattr fs/xattr.c:589 [inline]
 __se_sys_lsetxattr fs/xattr.c:585 [inline]
 __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:585
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x449bb9
Code: fd d5 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 d5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe756d7dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000449bb9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140
RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c
R13: 000000010000000f R14: 000000ce0000000c R15: 0000010000000020