------------[ cut here ]------------
kernel BUG at fs/bcachefs/checksum.c:236!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 7900 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:bch2_checksum+0x199/0x2e0 fs/bcachefs/checksum.c:236
Code: 00 00 4c 89 e0 4c 89 ea 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 41 8d 45 fb 83 f8 02 0f 86 42 ff ff ff e8 d8 eb 93 fd 90 <0f> 0b e8 d0 eb 93 fd 31 c0 b9 2f 00 00 00 4c 89 f2 4c 8d a4 24 f8
RSP: 0018:ffffc90003b5eab0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 1ffff9200076bd59 RCX: ffffc90009f09000
RDX: 0000000000040000 RSI: ffffffff83fa0078 RDI: 0000000000000005
RBP: ffffc90003b5edb0 R08: 0000000000000005 R09: 0000000000000007
R10: 0000000000000008 R11: ffffffff81e9a144 R12: 0000000000000008
R13: 0000000000000008 R14: 88b02d2300002000 R15: 20000006487388c8
FS:  00007f97d706e6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75716565e8 CR3: 000000007de12000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_btree_node_read_done+0x12e3/0x4fd0 fs/bcachefs/btree_io.c:1110
 btree_node_read_work+0x567/0x1060 fs/bcachefs/btree_io.c:1340
 bch2_btree_node_read+0x8b3/0xe40 fs/bcachefs/btree_io.c:1725
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1764 [inline]
 bch2_btree_root_read+0x2ca/0x690 fs/bcachefs/btree_io.c:1788
 read_btree_roots fs/bcachefs/recovery.c:472 [inline]
 bch2_fs_recovery+0x1ba8/0x3b60 fs/bcachefs/recovery.c:800
 bch2_fs_start+0x2e9/0x600 fs/bcachefs/super.c:1031
 bch2_fs_open+0xfa0/0x1110 fs/bcachefs/super.c:2123
 bch2_mount+0xdcc/0x1130 fs/bcachefs/fs.c:1917
 legacy_get_tree+0x109/0x220 fs/fs_context.c:662
 vfs_get_tree+0x8f/0x380 fs/super.c:1780
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 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]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97d627e5ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f97d706def8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f97d706df80 RCX: 00007f97d627e5ea
RDX: 0000000020011a00 RSI: 0000000020011a40 RDI: 00007f97d706df40
RBP: 0000000020011a00 R08: 00007f97d706df80 R09: 0000000001200014
R10: 0000000001200014 R11: 0000000000000202 R12: 0000000020011a40
R13: 00007f97d706df40 R14: 00000000000119fd R15: 0000000020000100
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_checksum+0x199/0x2e0 fs/bcachefs/checksum.c:236
Code: 00 00 4c 89 e0 4c 89 ea 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 41 8d 45 fb 83 f8 02 0f 86 42 ff ff ff e8 d8 eb 93 fd 90 <0f> 0b e8 d0 eb 93 fd 31 c0 b9 2f 00 00 00 4c 89 f2 4c 8d a4 24 f8