| commit | 660c9fc72e06d7a46d96d2cb8524a26565072a76 | [log] [tgz] |
|---|---|---|
| author | NeilBrown <[email protected]> | Thu Mar 07 16:29:16 2019 -0800 |
| committer | Linus Torvalds <[email protected]> | Thu Mar 07 18:32:01 2019 -0800 |
| tree | 4adce139d95571ff6789dc81120227d98145a90e | |
| parent | 874d22d62bc6dca7ceec48c44d247af0109e0b5b [diff] |
autofs: clear O_NONBLOCK on the pipe autofs does not expect the pipe it is given to have O_NONBLOCK set - specifically if __kernel_write() in autofs_write() returns -EAGAIN, this is treated as a fatal error and the pipe is closed. For safety autofs should, therefore, clear the O_NONBLOCK flag. Releases of systemd prior to 8th February 2019 used pipe2(p, O_NONBLOCK|O_CLOEXEC) and thus (inadvertently) set this flag. Link: http://lkml.kernel.org/r/154993550902.3321.1183632970046073478.stgit@pluto-themaw-net Signed-off-by: NeilBrown <[email protected]> Signed-off-by: Ian Kent <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>