Helge Deller 59a783dbc0 parisc: Avoid kernel panic triggered by invalid kprobe ... When running gdb I was able to trigger this kernel panic: Kernel Fault: Code=26 (Data memory access rights trap) at addr 0000000000000060 CPU: 0 PID: 1401 Comm: gdb-crash Not tainted 5.2.0-rc7-64bit+ #1053 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001000000000000001111 Not tainted r00-03 000000000804000f 0000000040dee1a0 0000000040c78cf0 00000000b8d50160 r04-07 0000000040d2b1a0 000000004360a098 00000000bbbe87b8 0000000000000003 r08-11 00000000fac20a70 00000000fac24160 00000000fac1bbe0 0000000000000000 r12-15 00000000fabfb79a 00000000fac244a4 0000000000010000 0000000000000001 r16-19 00000000bbbe87b8 00000000f8f02910 0000000000010034 0000000000000000 r20-23 00000000fac24630 00000000fac24630 000000006474e552 00000000fac1aa52 r24-27 0000000000000028 00000000bbbe87b8 00000000bbbe87b8 0000000040d2b1a0 r28-31 0000000000000000 00000000b8d501c0 00000000b8d501f0 0000000003424000 sr00-03 0000000000423000 0000000000000000 0000000000000000 0000000000423000 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040c78cf0 0000000040c78cf4 IIR: 539f00c0 ISR: 0000000000000000 IOR: 0000000000000060 CPU: 0 CR30: 00000000b8d50000 CR31: 00000000d22345e2 ORIG_R28: 0000000040250798 IAOQ[0]: parisc_kprobe_ss_handler+0x58/0x170 IAOQ[1]: parisc_kprobe_ss_handler+0x5c/0x170 RP(r2): parisc_kprobe_ss_handler+0x58/0x170 Backtrace: [<0000000040206ff8>] handle_interruption+0x178/0xbb8 Kernel panic - not syncing: Kernel Fault Avoid this panic by checking the return value of kprobe_running() and skip kprobe if none is currently active. Cc: <stable@vger.kernel.org> # v5.2 Acked-by: Sven Schnelle <svens@stackframe.org> Tested-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Helge Deller <deller@gmx.de>		2019-07-17 23:11:28 +02:00
..
boot	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
configs	kbuild: add CONFIG_HEADERS_INSTALL and loosen the dependency of samples	2019-06-15 19:57:01 +09:00
include	parisc: switch to generic version of pte allocation	2019-07-12 11:05:45 -07:00
kernel	parisc: Avoid kernel panic triggered by invalid kprobe	2019-07-17 23:11:28 +02:00
lib	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153	2019-05-30 11:26:32 -07:00
math-emu	Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2019-07-08 21:48:15 -07:00
mm	Merge branch 'parisc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux	2019-07-09 12:08:15 -07:00
oprofile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
defpalo.conf	parisc: switch to gzip-compressed vmlinuz kernel	2013-07-09 22:09:20 +02:00
install.sh	parisc: make "make install" not depend on vmlinux	2013-11-07 22:28:06 +01:00
Kconfig	docs: admin-guide: add a series of orphaned documents	2019-07-15 11:03:02 -03:00
Kconfig.debug	Kconfig: consolidate the "Kernel hacking" menu	2018-08-02 08:06:48 +09:00
Makefile	Kbuild updates for v5.3	2019-07-12 16:03:16 -07:00
nm