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+0x639/0x740 Modules linked in: CPU: 1 PID: 3631 Comm: syz-executor282 Not tainted 6.1.0-rc6-syzkaller-00375-gcf562a45a0d5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__kernel_write_iter+0x639/0x740 fs/read_write.c:504 Code: 25 28 00 00 00 48 3b 84 24 e0 00 00 00 0f 85 17 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 80 9d ff <0f> 0b 49 c7 c6 f7 ff ff ff eb a5 e8 d7 80 9d ff 4c 8b 74 24 18 eb RSP: 0018:ffffc90003c2f740 EFLAGS: 00010293 RAX: ffffffff81ed1709 RBX: 00000000000a801d RCX: ffff888020743a80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003c2f870 R08: ffffffff81ed117d R09: fffffbfff1cebdfe R10: fffffbfff1cebdfe R11: 1ffffffff1cebdfd R12: 1ffff92000785ef4 R13: 1ffff1100ef7f32f R14: ffff888077bf9900 R15: dffffc0000000000 FS: 0000555555956300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000061ba0c CR3: 0000000079246000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kernel_write fs/read_write.c:537 [inline] kernel_write+0x1c5/0x340 fs/read_write.c:558 write_buf fs/btrfs/send.c:591 [inline] send_header fs/btrfs/send.c:709 [inline] send_subvol+0x1a7/0x4b60 fs/btrfs/send.c:7675 btrfs_ioctl_send+0x1e34/0x2340 fs/btrfs/send.c:8041 _btrfs_ioctl_send+0x2e8/0x420 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+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5b95874b49 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:00007ffc73f59eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b95874b49 RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003 RBP: 00007f5b95834410 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000051af R11: 0000000000000246 R12: 00007f5b958344a0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000