BTRFS info (device loop0): enabling ssd optimizations BTRFS info (device loop0): checking UUID tree ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3628 at fs/read_write.c:504 __kernel_write_iter+0x5a8/0x730 fs/read_write.c:504 Modules linked in: CPU: 1 PID: 3628 Comm: syz-executor839 Not tainted 6.1.0-syzkaller-00071-g3a28c2c89f4b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__kernel_write_iter+0x5a8/0x730 fs/read_write.c:504 Code: 8c e8 fc f9 c6 07 31 ff 89 c3 89 c6 e8 51 0a a5 ff 85 db 0f 85 06 bd ce 07 49 c7 c6 ea ff ff ff e9 11 ff ff ff e8 88 0d a5 ff <0f> 0b 49 c7 c6 f7 ff ff ff e9 fe fe ff ff e8 75 0d a5 ff 4c 89 ea RSP: 0018:ffffc90003f5f6f0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000000a801d RCX: 0000000000000000 RDX: ffff888020310000 RSI: ffffffff81db0fd8 RDI: 0000000000000005 RBP: 1ffff920007ebee0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000005 R12: ffff888078b38f00 R13: ffff888078b38f7c R14: 0000000000000000 R15: ffff888020795c08 FS: 00005555561c4300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd28a59ea8 CR3: 0000000072b95000 CR4: 0000000000350ee0 Call Trace: __kernel_write fs/read_write.c:537 [inline] kernel_write fs/read_write.c:558 [inline] kernel_write+0x1c1/0x630 fs/read_write.c:548 write_buf fs/btrfs/send.c:591 [inline] send_header fs/btrfs/send.c:709 [inline] send_subvol fs/btrfs/send.c:7675 [inline] btrfs_ioctl_send+0x21ae/0x64e0 fs/btrfs/send.c:8041 _btrfs_ioctl_send+0x231/0x2e0 fs/btrfs/ioctl.c:5236 btrfs_ioctl+0x39c1/0x5c40 fs/btrfs/ioctl.c:5527 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbb05cd0b49 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:00007fff41188348 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb05cd0b49 RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003 RBP: 00007fbb05c90410 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000051af R11: 0000000000000246 R12: 00007fbb05c904a0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000