Re: [syzbot] [bcachefs?] kernel BUG in vfs_get_tree
From: Edward Adam Davis
Date: Tue Sep 24 2024 - 21:34:29 EST
db
#syz test
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index 4a1bb07a2574..49d711e9837e 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -2148,6 +2148,7 @@ static int bch2_fs_get_tree(struct fs_context *fc)
out:
fc->root = dget(sb->s_root);
err:
+ pr_info("ret: %d, sb: %p, fc: %p, fcroot: %p, %s\n", ret, sb, fc, fc->root, __func__);
darray_exit(&devs_to_fs);
bch2_darray_str_exit(&devs);
if (ret)
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index be1e7ca4362f..12835c0290f8 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -849,6 +849,7 @@ int bch2_fs_recovery(struct bch_fs *c)
atomic64_add(1 << 16, &c->key_version);
ret = read_btree_roots(c);
+ pr_info("ret: %d, %s\n", ret, __func__);
if (ret)
goto err;
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 873e4be7e1dc..9fb45c7e7063 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -1011,6 +1011,7 @@ int bch2_fs_start(struct bch_fs *c)
mutex_lock(&c->sb_lock);
ret = bch2_sb_members_v2_init(c);
+ pr_info("ret: %d, %s\n", ret, __func__);
if (ret) {
mutex_unlock(&c->sb_lock);
goto err;
@@ -1036,6 +1037,7 @@ int bch2_fs_start(struct bch_fs *c)
ret = BCH_SB_INITIALIZED(c->disk_sb.sb)
? bch2_fs_recovery(c)
: bch2_fs_initialize(c);
+ pr_info("2ret: %d, %s\n", ret, __func__);
if (ret)
goto err;