Messages in this thread Patch in this message | | | Date | Fri, 24 Nov 2023 19:35:04 -0800 | Subject | Re: [syzbot] [ntfs3?] WARNING in indx_insert_into_buffer | From | syzbot <> |
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Subject: [ntfs3?] WARNING in indx_insert_into_buffer Author: eadavis@qq.com
please test WARNING in indx_insert_into_buffer
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 037266a5f723
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index cf92b2433f7a..67c27e6ce497 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1816,6 +1816,9 @@ indx_insert_into_buffer(struct ntfs_index *indx, struct ntfs_inode *ni, * - Insert sp into parent buffer (or root) * - Make sp a parent for new buffer */ + printk("l: %d, u1: %d, t: %d, do: %d\n", + level, le32_to_cpu(hdr1->used), le32_to_cpu(hdr1->total), + le32_to_cpu(hdr1->de_off)); sp = hdr_find_split(hdr1); if (!sp) return -EINVAL; @@ -1833,6 +1836,8 @@ indx_insert_into_buffer(struct ntfs_index *indx, struct ntfs_inode *ni, goto out; } + printk("l: %d, u1: %d, sps: %d, t: %d, do: %d\n", + level, used1, sp_size, le32_to_cpu(hdr1->total), le32_to_cpu(hdr1->de_off)); if (!hdr1->flags) { up_e->flags |= NTFS_IE_HAS_SUBNODES; up_e->size = cpu_to_le16(sp_size + sizeof(u64)); @@ -1895,6 +1900,10 @@ indx_insert_into_buffer(struct ntfs_index *indx, struct ntfs_inode *ni, if (!level) { /* Insert in root. */ err = indx_insert_into_root(indx, ni, up_e, NULL, ctx, fnd, 0); + printk("%d, u1: %d, sps: %d, t: %d, do: %d\n", + level, used1, sp_size, le32_to_cpu(hdr1->total), le32_to_cpu(hdr1->de_off)); + if (err == -ENOMEM) + goto out; } else { /* * The target buffer's parent is another index buffer.
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