* Re: possible fix (linux-ntfs3) [not found] <b9136b92-fdeb-4a51-887d-4648560756ba@paragon-software.com> @ 2024-09-02 12:22 ` syzbot 0 siblings, 0 replies; 2+ messages in thread From: syzbot @ 2024-09-02 12:22 UTC (permalink / raw) To: almaz.alexandrovich; +Cc: almaz.alexandrovich, linux-kernel, syzkaller-bugs > #syz test:https://github.com/Paragon-Software-Group/linux-ntfs3.git master unknown command "test:https://github.com/Paragon-Software-Group/linux-ntfs3.git" > > diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c > index 128d49512f5d..c08bbacc0030 100644 > --- a/fs/ntfs3/super.c > +++ b/fs/ntfs3/super.c > @@ -125,8 +125,9 @@ void ntfs_inode_printk(struct inode *inode, const > char *fmt, ...) > > if (de) { > spin_lock(&de->d_lock); > - snprintf(name, sizeof(s_name_buf), " \"%s\"", > - de->d_name.name); > + if (snprintf(name, sizeof(s_name_buf), " \"%s\"", > + de->d_name.name) >= sizeof(s_name_buf)) > + name[sizeof(s_name_buf) - 1] = 0; > spin_unlock(&de->d_lock); > } else { > name[0] = 0; > ^ permalink raw reply [flat|nested] 2+ messages in thread
[parent not found: <20240910065209.5664-1-almaz.alexandrovich@paragon-software.com>]
* Re: possible fix (linux-ntfs3) [not found] <20240910065209.5664-1-almaz.alexandrovich@paragon-software.com> @ 2024-09-10 6:52 ` syzbot 0 siblings, 0 replies; 2+ messages in thread From: syzbot @ 2024-09-10 6:52 UTC (permalink / raw) To: almaz.alexandrovich; +Cc: almaz.alexandrovich, linux-kernel, syzkaller-bugs > #syz test: https://github.com/Paragon-Software-Group/linux-ntfs3.git master This crash does not have a reproducer. I cannot test it. > > diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c > index 4fdcb5177ea1..eb935d4180c0 100644 > --- a/fs/ntfs3/file.c > +++ b/fs/ntfs3/file.c > @@ -1314,7 +1314,14 @@ static int ntfs_file_release(struct inode *inode, struct file *file) > /* If we are last writer on the inode, drop the block reservation. */ > if (sbi->options->prealloc && > ((file->f_mode & FMODE_WRITE) && > - atomic_read(&inode->i_writecount) == 1)) { > + atomic_read(&inode->i_writecount) == 1) > + /* > + * The only file when inode->i_fop = &ntfs_file_operations and > + * init_rwsem(&ni->file.run_lock) is not called explicitly is MFT. > + * > + * Add additional check here. > + */ > + && inode->i_ino != MFT_REC_MFT) { > ni_lock(ni); > down_write(&ni->file.run_lock); > ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2024-09-10 6:52 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <b9136b92-fdeb-4a51-887d-4648560756ba@paragon-software.com>
2024-09-02 12:22 ` possible fix (linux-ntfs3) syzbot
[not found] <20240910065209.5664-1-almaz.alexandrovich@paragon-software.com>
2024-09-10 6:52 ` syzbot
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox