Hello,
On Mon, Aug 30, 2021 at 05:07:16PM -0400, Greg Wooledge wrote:
> unicorn:~$ strace bash -c 'echo stuff >> /tmp/123'
> [...]
> openat(AT_FDCWD, "/tmp/123", O_WRONLY|O_CREAT|O_APPEND, 0666) = -1 EACCES (Permission denied)
>
> As far as I can see, this is a kernel bug. Unless I'm overlooking
> something...?
I think it's the sysctl fs.protected_regular:
https://unix.stackexchange.com/a/503169
Cheers,
Andy
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