assertion failed: folio_order(folio) == 0, in fs/btrfs/disk-io.c:3858 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:3858! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 42 Comm: kworker/u4:3 Not tainted 6.14.0-syzkaller-00624-g2f2d52945852 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound btrfs_async_reclaim_data_space RIP: 0010:write_dev_supers fs/btrfs/disk-io.c:3858 [inline] RIP: 0010:write_all_supers+0x3f76/0x3ff0 fs/btrfs/disk-io.c:4155 Code: 24 fe 90 0f 0b e8 ca c1 d9 fd 48 c7 c7 c0 3b 6c 8c 48 c7 c6 00 85 6c 8c 48 c7 c2 40 3c 6c 8c b9 12 0f 00 00 e8 3b d5 3e fd 90 <0f> 0b e8 a3 c1 d9 fd 4c 89 f7 48 c7 c6 80 6f 6c 8c e8 84 5f 24 fe RSP: 0000:ffffc900005d7220 EFLAGS: 00010246 RAX: 0000000000000045 RBX: 0000000000000002 RCX: 58e0af7d3716fc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900005d75f0 R08: ffffffff81a14bdc R09: 1ffff920000bade0 R10: dffffc0000000000 R11: fffff520000bade1 R12: ffffea0001104908 R13: 1ffffd4000220921 R14: 1ffffd4000220920 R15: ffffea0001104900 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faf595ff000 CR3: 00000000437d4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_commit_transaction+0x1ed7/0x3730 fs/btrfs/transaction.c:2528 flush_space+0x529/0xd00 fs/btrfs/space-info.c:842 btrfs_async_reclaim_data_space+0x2ab/0x510 fs/btrfs/space-info.c:1357 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:write_dev_supers fs/btrfs/disk-io.c:3858 [inline] RIP: 0010:write_all_supers+0x3f76/0x3ff0 fs/btrfs/disk-io.c:4155 Code: 24 fe 90 0f 0b e8 ca c1 d9 fd 48 c7 c7 c0 3b 6c 8c 48 c7 c6 00 85 6c 8c 48 c7 c2 40 3c 6c 8c b9 12 0f 00 00 e8 3b d5 3e fd 90 <0f> 0b e8 a3 c1 d9 fd 4c 89 f7 48 c7 c6 80 6f 6c 8c e8 84 5f 24 fe RSP: 0000:ffffc900005d7220 EFLAGS: 00010246 RAX: 0000000000000045 RBX: 0000000000000002 RCX: 58e0af7d3716fc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900005d75f0 R08: ffffffff81a14bdc R09: 1ffff920000bade0 R10: dffffc0000000000 R11: fffff520000bade1 R12: ffffea0001104908 R13: 1ffffd4000220921 R14: 1ffffd4000220920 R15: ffffea0001104900 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faf595ff000 CR3: 00000000437d4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400