https://github.com/torvalds/linux
Revision 0d73c3f8e7f6ee2aab1bb350f60c180f5ae21a2c authored by Masami Hiramatsu on 13 May 2018, 04:04:29 UTC, committed by Russell King on 19 May 2018, 10:35:56 UTC
Since do_undefinstr() uses get_user to get the undefined
instruction, it can be called before kprobes processes
recursive check. This can cause an infinit recursive
exception.
Prohibit probing on get_user functions.
Fixes: 24ba613c9d6c ("ARM kprobes: core code")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Tip revision: 0d73c3f8e7f6ee2aab1bb350f60c180f5ae21a2c authored by Masami Hiramatsu on 13 May 2018, 04:04:29 UTC
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions
Tip revision: 0d73c3f
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 12.8 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
| .gitignore | -rw-r--r-- | 1.5 KB |
| .mailmap | -rw-r--r-- | 9.2 KB |
| COPYING | -rw-r--r-- | 423 bytes |
| CREDITS | -rw-r--r-- | 96.3 KB |
| Kbuild | -rw-r--r-- | 2.2 KB |
| Kconfig | -rw-r--r-- | 287 bytes |
| MAINTAINERS | -rw-r--r-- | 441.8 KB |
| Makefile | -rw-r--r-- | 61.0 KB |
| README | -rw-r--r-- | 800 bytes |
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