------------[ cut here ]------------
kernel BUG at fs/bcachefs/alloc_foreground.c:493!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 7295 Comm: syz.1.166 Not tainted 6.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:493 [inline]
RIP: 0010:bch2_bucket_alloc_trans+0x39ec/0x3a50 fs/bcachefs/alloc_foreground.c:648
Code: e8 39 3b f0 fd e9 f0 c7 ff ff 89 d9 80 e1 07 38 c1 0f 8c f3 fd ff ff 48 89 df e8 cf 39 f0 fd e9 e6 fd ff ff e8 35 93 89 fd 90 <0f> 0b e8 2d 93 89 fd 90 0f 0b e8 75 a0 b3 07 f3 0f 1e fa e8 1c 93
RSP: 0018:ffffc90003d25c20 EFLAGS: 00010293
RAX: ffffffff840b467b RBX: 0000000000000019 RCX: ffff88802d590000
RDX: 0000000000000000 RSI: 0000000000000019 RDI: 0000000000000000
RBP: ffffc90003d26348 R08: ffffffff840b1949 R09: 0000000000000000
R10: ffffc90003d26208 R11: fffff520007a4c46 R12: dffffc0000000000
R13: ffff888053324000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3ab5dc66c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f000ff8 CR3: 0000000063ed8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_bucket_alloc_set_trans+0x517/0xd30 fs/bcachefs/alloc_foreground.c:808
 __open_bucket_add_buckets+0x13d0/0x1ec0 fs/bcachefs/alloc_foreground.c:1057
 open_bucket_add_buckets+0x33a/0x410 fs/bcachefs/alloc_foreground.c:1101
 bch2_alloc_sectors_start_trans+0xce9/0x2030
 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:339 [inline]
 bch2_btree_reserve_get+0x612/0x1890 fs/bcachefs/btree_update_interior.c:549
 bch2_btree_update_start+0xe56/0x14e0 fs/bcachefs/btree_update_interior.c:1247
 bch2_btree_split_leaf+0x123/0x840 fs/bcachefs/btree_update_interior.c:1856
 bch2_trans_commit_error+0x212/0x1390 fs/bcachefs/btree_trans_commit.c:942
 __bch2_trans_commit+0x7ead/0x93c0 fs/bcachefs/btree_trans_commit.c:1140
 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
 bch2_logged_op_start+0x1c8/0x310 fs/bcachefs/logged_ops.c:92
 bch2_truncate+0x19e/0x2d0 fs/bcachefs/io_misc.c:294
 bchfs_truncate+0x85f/0xc90 fs/bcachefs/fs-io.c:464
 notify_change+0xbca/0xe90 fs/attr.c:503
 do_truncate+0x220/0x310 fs/open.c:65
 vfs_truncate+0x2e1/0x3b0 fs/open.c:111
 do_sys_truncate+0xdb/0x190 fs/open.c:134
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ab4f7e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3ab5dc6038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f3ab5136058 RCX: 00007f3ab4f7e719
RDX: 0000000000000000 RSI: 0000000000002ba4 RDI: 0000000020000000
RBP: 00007f3ab4ff139e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3ab5136058 R15: 00007ffd230ad3b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:493 [inline]
RIP: 0010:bch2_bucket_alloc_trans+0x39ec/0x3a50 fs/bcachefs/alloc_foreground.c:648
Code: e8 39 3b f0 fd e9 f0 c7 ff ff 89 d9 80 e1 07 38 c1 0f 8c f3 fd ff ff 48 89 df e8 cf 39 f0 fd e9 e6 fd ff ff e8 35 93 89 fd 90 <0f> 0b e8 2d 93 89 fd 90 0f 0b e8 75 a0 b3 07 f3 0f 1e fa e8 1c 93
RSP: 0018:ffffc90003d25c20 EFLAGS: 00010293
RAX: ffffffff840b467b RBX: 0000000000000019 RCX: ffff88802d590000
RDX: 0000000000000000 RSI: 0000000000000019 RDI: 0000000000000000
RBP: ffffc90003d26348 R08: ffffffff840b1949 R09: 0000000000000000
R10: ffffc90003d26208 R11: fffff520007a4c46 R12: dffffc0000000000
R13: ffff888053324000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3ab5dc66c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560596f7c180 CR3: 0000000063ed8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400