WireGuard for the Linux kernel https://git.zx2c4.com/wireguard-linux/atom/arch/parisc/kernel/kprobes.c?h=jd%2Funified-crypt-queue 2019-09-06T21:58:44Z 2019-09-06T21:58:44Z Jisheng Zhang Jisheng.Zhang@synaptics.com 2019-08-21T09:56:40Z urn:sha1:08e697808f6823fa5dc833a344700f60b25a59d4 The common kprobes provides a weak implementation of arch_kprobe_on_func_entry(). The parisc version is the same as the common version, so remove it. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Acked-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de> 2019-07-17T21:11:28Z Helge Deller deller@gmx.de 2019-07-16T19:16:26Z urn:sha1:59a783dbc0d5fd6792aabff933055373b6dcbf2a 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> 2019-05-03T21:47:39Z Sven Schnelle svens@stackframe.org 2019-04-09T17:30:28Z urn:sha1:e0b59b7b633ab72c08bb9bac36afaeaade011ddf Implement kretprobes on parisc, parts stolen from powerpc. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de> 2019-05-03T21:47:39Z Sven Schnelle svens@stackframe.org 2019-04-07T18:10:58Z urn:sha1:8858ac8e9e9b1894f7bb218bc0035532371b8d7e Implement kprobes support for PA-RISC. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Helge Deller <deller@gmx.de>