bcachefs (loop2): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=crc64,background_compression=zstd,str_hash=crc32c,nojournal_transaction_names
bcachefs (loop2): recovering from clean shutdown, journal seq 8
------------[ cut here ]------------
kernel BUG at fs/bcachefs/alloc_background.h:136!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 9479 Comm: syz-executor.2 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : alloc_v4_u64s fs/bcachefs/alloc_background.h:136 [inline]
pc : bch2_alloc_v4_invalid+0x774/0x780 fs/bcachefs/alloc_background.c:247
lr : alloc_v4_u64s fs/bcachefs/alloc_background.h:136 [inline]
lr : bch2_alloc_v4_invalid+0x774/0x780 fs/bcachefs/alloc_background.c:247
sp : ffff80009b6f6220
x29: ffff80009b6f6240 x28: ffff0000e9080000 x27: dfff800000000000
x26: 0000000000ffff1f x25: 0000000000000103 x24: 0000000000000007
x23: ffff0000e67e0b60 x22: ffff80009b6f66e0 x21: ffff0000e67e0b58
x20: 1fffe0001ccfc16c x19: dfff800000000000 x18: ffff80009b6f66b8
x17: 3020726576203020 x16: ffff80008adc5300 x15: 0000000000000005
x14: 1ffff000136decdc x13: 0000000000000000 x12: 0000000000000028
x11: 0000000000040000 x10: 000000000003ffff x9 : ffff80009ca79000
x8 : 0000000000040000 x7 : 0000000000000000 x6 : 00000000001b010c
x5 : ffff80009b6f6708 x4 : ffff80009b6f65b0 x3 : 0000000000000000
x2 : ffff0000e67e0b58 x1 : 0000000000000103 x0 : 00000000000000fa
Call trace:
 alloc_v4_u64s fs/bcachefs/alloc_background.h:136 [inline]
 bch2_alloc_v4_invalid+0x774/0x780 fs/bcachefs/alloc_background.c:247
 bch2_bkey_val_invalid+0x100/0x198 fs/bcachefs/bkey_methods.c:140
 bch2_btree_node_read_done+0x3290/0x45f0 fs/bcachefs/btree_io.c:1213
 btree_node_read_work+0x4e8/0xe9c fs/bcachefs/btree_io.c:1324
 bch2_btree_node_read+0x210c/0x28e4 fs/bcachefs/btree_io.c:1709
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1748 [inline]
 bch2_btree_root_read+0x2a8/0x534 fs/bcachefs/btree_io.c:1772
 read_btree_roots+0x21c/0x730 fs/bcachefs/recovery.c:457
 bch2_fs_recovery+0x2dac/0x4854 fs/bcachefs/recovery.c:785
 bch2_fs_start+0x30c/0x53c fs/bcachefs/super.c:1043
 bch2_fs_open+0x8b4/0xb64 fs/bcachefs/super.c:2102
 bch2_mount+0x558/0xe10 fs/bcachefs/fs.c:1903
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
 vfs_get_tree+0x90/0x288 fs/super.c:1779
 do_new_mount+0x278/0x900 fs/namespace.c:3352
 path_mount+0x590/0xe04 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: aa1503e0 978f33e9 17ffff2c 977b3b9d (d4210000) 
---[ end trace 0000000000000000 ]---