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Message-ID: <00000000000048efa9060af96848@google.com> Date: Sat, 25 Nov 2023 04:42:52 -0800 From: syzbot <syzbot+c5b339d16ffa61fd512d@...kaller.appspotmail.com> To: linux-kernel@...r.kernel.org Subject: Re: [syzbot] [ntfs3?] WARNING in indx_insert_into_buffer For archival purposes, forwarding an incoming command email to linux-kernel@...r.kernel.org. *** Subject: [ntfs3?] WARNING in indx_insert_into_buffer Author: eadavis@...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..a625302a3b1e 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1909,8 +1909,11 @@ indx_insert_into_buffer(struct ntfs_index *indx, struct ntfs_inode *ni, * Undo critical operations. */ indx_mark_free(indx, ni, new_vbn >> indx->idx2vbn_bits); - memcpy(hdr1, hdr1_saved, used1); + kfree(hdr1); + hdr1 = (struct INDEX_HDR *)hdr1_saved; indx_write(indx, ni, n1, 0); + kfree(up_e); + return err; } out:
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