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: 5432 Comm: syz-executor 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 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: 0018:ffffc9000217f5c0 EFLAGS: 00010246 RAX: 0000000000000045 RBX: 0000000000000002 RCX: eaaf70b12e486d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000217f990 R08: ffffffff81a14bdc R09: 1ffff9200042fe54 R10: dffffc0000000000 R11: fffff5200042fe55 R12: ffffea00014e2308 R13: 1ffffd400029c461 R14: 1ffffd400029c460 R15: ffffea00014e2300 FS: 000055557ca31500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca794ce38 CR3: 000000005989a000 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 sync_filesystem+0x1c8/0x230 fs/sync.c:66 generic_shutdown_super+0x72/0x2d0 fs/super.c:621 kill_anon_super+0x3b/0x70 fs/super.c:1237 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2100 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1435 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f294f18e497 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffca794d5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f294f20e08c RCX: 00007f294f18e497 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca794d6a0 RBP: 00007ffca794d6a0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffca794e730 R13: 00007f294f20e08c R14: 000000000002446e R15: 00007ffca794e770 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: 0018:ffffc9000217f5c0 EFLAGS: 00010246 RAX: 0000000000000045 RBX: 0000000000000002 RCX: eaaf70b12e486d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000217f990 R08: ffffffff81a14bdc R09: 1ffff9200042fe54 R10: dffffc0000000000 R11: fffff5200042fe55 R12: ffffea00014e2308 R13: 1ffffd400029c461 R14: 1ffffd400029c460 R15: ffffea00014e2300 FS: 000055557ca31500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb63d7ff000 CR3: 000000005989a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400