On Sat, Sep 12, 2015 at 01:28:27AM +0100, Pádraig Brady wrote:
> The open() succeeding is surprising. Is that allowed?
> The summary of the sequence in the kernel is:
>
> vfs_unlink() {
> mutex_lock(&(dentry->d_inode->i_mutex));
> security_inode_unlink(dir, dentry);
> try_break_dele
Hi,
We're noticing a rare race here with open() in tail(1), where this happens:
tail --follow=name "file"
/* "file" is unlinked() by another process */
read(IN_ATTRIB from inotify); /* for st_nlink-- */
open("file") /* Done to check if deleted, but this succeeds! */
The open() succ
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