BTRFS info (device loop5): using sha256 (sha256-avx2) checksum algorithm
BTRFS info (device loop5): using free space tree
BTRFS info (device loop5): has skinny extents
BTRFS info (device loop5): enabling ssd optimizations
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4343 at fs/read_write.c:525 __kernel_write+0x8cc/0xa60
Modules linked in:
CPU: 1 PID: 4343 Comm: syz-executor.5 Not tainted 5.15.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__kernel_write+0x8cc/0xa60 fs/read_write.c:525
Code: 25 28 00 00 00 48 3b 84 24 40 01 00 00 0f 85 a4 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 14 84 ab ff <0f> 0b 49 c7 c6 f7 ff ff ff eb 9d e8 04 84 ab ff eb 05 e8 fd 83 ab
RSP: 0018:ffffc900042c77a0 EFLAGS: 00010287
RAX: ffffffff81d4994c RBX: 00000000000a801d RCX: 0000000000040000
RDX: ffffc900037b4000 RSI: 0000000000002262 RDI: 0000000000002263
RBP: ffffc900042c7930 R08: ffffffff81d491c0 R09: ffffc900042c7890
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000858f00
R13: dffffc0000000000 R14: ffff88801bec7484 R15: 0000000000000011
FS:  00007fcf6f8e16c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d1b4d2723 CR3: 0000000092590000 CR4: 00000000003506e0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kernel_write+0xcd/0x200 fs/read_write.c:568
 write_buf fs/btrfs/send.c:565 [inline]
 send_header fs/btrfs/send.c:684 [inline]
 send_subvol+0x188/0x4200 fs/btrfs/send.c:7385
 btrfs_ioctl_send+0x193a/0x1d60 fs/btrfs/send.c:7711
 _btrfs_ioctl_send+0x2fb/0x430 fs/btrfs/ioctl.c:4887
 btrfs_ioctl+0x595/0xb10
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fcf7135fae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcf6f8e10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcf7147ef80 RCX: 00007fcf7135fae9
RDX: 00000000200000c0 RSI: 0000000040489426 RDI: 0000000000000003
RBP: 00007fcf713ab47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcf7147ef80 R15: 00007ffe2f54e898
 </TASK>