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(parent: 8540aa9) | patch
Lock down TIOCSSERIAL
authorDavid Howells <dhowells@redhat.com>
Wed, 5 Apr 2017 16:40:31 +0000 (17:40 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 14 Jan 2018 19:45:05 +0000 (19:45 +0000)
commitd2c95726c98883a5d60d3d769836ef1b60ff5df9
treeac87027fc802daa2a6a3a9758104929f8c2ab829tree | snapshot
parent8540aa9e114c029f2fa27179d44183a611a753e7commit | diff
Lock down TIOCSSERIAL

Lock down TIOCSSERIAL as that can be used to change the ioport and irq
settings on a serial port.  This only appears to be an issue for the serial
drivers that use the core serial code.  All other drivers seem to either
ignore attempts to change port/irq or give an error.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Gbp-Pq: Topic features/all/lockdown
Gbp-Pq: Name 0060-Lock-down-TIOCSSERIAL.patch
drivers/tty/serial/serial_core.c diff | blob | history
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