syzbot

raw: 0000000000000fce 0000000000000000 00000002ffffffff ffff0000c0940000
page dumped because: VM_BUG_ON_FOLIO(!folio_contains(folio, xas.xa_index))
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kernel BUG at mm/filemap.c:2135!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5662 Comm: syz.4.303 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : find_lock_entries+0xa04/0xa08 mm/filemap.c:2134
lr : find_lock_entries+0xa04/0xa08 mm/filemap.c:2134
sp : ffff800021a67000
x29: ffff800021a67100 x28: fffffc0003522400 x27: dfff800000000000
x26: ffff800021a67098 x25: dfff800000000000 x24: ffff800021a67080
x23: ffff800015cf4180 x22: 0000000000000fce x21: ffffffffffffffff
x20: 05ffd00000020017 x19: ffff800021a67260 x18: 1fffe0003679bf76
x17: 2e736178202c6f69 x16: ffff8000123313e4 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000
x11: 0000000000011441 x10: ffff800027589000 x9 : ffff800008835654
x8 : 0000000000011442 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021a66878 x4 : ffff800015b731c0 x3 : ffff80000ab33fec
x2 : ffff0001b3cdfcd0 x1 : 0000000100000000 x0 : 000000000000004a
Call trace:
 find_lock_entries+0xa04/0xa08 mm/filemap.c:2134
 invalidate_mapping_pagevec+0xe0/0x540 mm/truncate.c:512
 invalidate_mapping_pages+0x38/0x4c mm/truncate.c:566
 invalidate_bdev+0xa4/0xc0 block/bdev.c:87
 btrfs_get_bdev_and_sb+0x134/0x1a8 fs/btrfs/volumes.c:518
 btrfs_open_one_device fs/btrfs/volumes.c:611 [inline]
 open_fs_devices+0x1e0/0xd44 fs/btrfs/volumes.c:1280
 btrfs_open_devices+0x118/0x188 fs/btrfs/volumes.c:1342
 btrfs_mount_root+0x490/0x7f8 fs/btrfs/super.c:1807
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xdc/0x178 fs/namespace.c:1073
 btrfs_mount+0x330/0x9c8 fs/btrfs/super.c:1895
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: d004eda1 91160021 aa1c03e0 94039502 (d4210000) 
---[ end trace 0000000000000000 ]---