BTRFS info (device loop0): using free space tree
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): checking UUID tree
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3631 at fs/read_write.c:504 __kernel_write_iter+0x65d/0x770
Modules linked in:
CPU: 1 PID: 3631 Comm: syz-executor327 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__kernel_write_iter+0x65d/0x770 fs/read_write.c:504
Code: 25 28 00 00 00 48 3b 84 24 e0 00 00 00 0f 85 1f 01 00 00 48 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b3 80 9c ff <0f> 0b 48 c7 c3 f7 ff ff ff eb a5 e8 a3 80 9c ff 4c 8b 7c 24 18 eb
RSP: 0018:ffffc90003c1f740 EFLAGS: 00010293
RAX: ffffffff81f012bd RBX: 00000000000a801d RCX: ffff88807d9a3a80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003c1f870 R08: ffffffff81f00d24 R09: ffffc90003c1f7c0
R10: fffff52000783efe R11: 1ffff92000783ef8 R12: dffffc0000000000
R13: 1ffff92000783ef4 R14: 1ffff110045f268f R15: ffff888022f93400
FS:  0000555556dbe300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c78a828b30 CR3: 00000000739c9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __kernel_write fs/read_write.c:537 [inline]
 kernel_write+0x1e1/0x350 fs/read_write.c:558
 write_buf fs/btrfs/send.c:591 [inline]
 send_header fs/btrfs/send.c:709 [inline]
 send_subvol+0x1a7/0x4d00 fs/btrfs/send.c:7675
 btrfs_ioctl_send+0x1e34/0x2340 fs/btrfs/send.c:8041
 _btrfs_ioctl_send+0x2eb/0x420 fs/btrfs/ioctl.c:5236
 btrfs_ioctl+0x5eb/0xc10
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f20bf4bdb49
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdbe0f9788 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20bf4bdb49
RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
RBP: 00007f20bf47d410 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000051af R11: 0000000000000246 R12: 00007f20bf47d4a0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>