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authorOmar Sandoval <osandov@osandov.com>2014-08-01 18:14:06 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-08-02 15:20:30 +0100
commit6bf755db4d5e7ccea61fb17727a183b9bd8945b1 (patch)
tree74ca99a04770e5ff8598bbf63e30a1d9025dc338 /include/linux
parentc5cc87fa8ddf971682fc5dd112e2dfacb11f30cd (diff)
ARM: 8124/1: don't enter kgdb when userspace executes a kgdb break instruction
The kgdb breakpoint hooks (kgdb_brk_fn and kgdb_compiled_brk_fn) should only be entered when a kgdb break instruction is executed from the kernel. Otherwise, if kgdb is enabled, a userspace program can cause the kernel to drop into the debugger by executing either KGDB_BREAKINST or KGDB_COMPILED_BREAK. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/linux')
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