error-inject.c - OpenGrok history log for /openbmc/linux/arch/csky/lib/error-inject.c

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Revision tags: v6.6.67, v6.6.66, v6.6.65, v6.6.64, v6.6.63, v6.6.62, v6.6.61, v6.6.60, v6.6.59, v6.6.58, v6.6.57, v6.6.56, v6.6.55, v6.6.54, v6.6.53, v6.6.52, v6.6.51, v6.6.50, v6.6.49, v6.6.48, v6.6.47, v6.6.46, v6.6.45, v6.6.44, v6.6.43, v6.6.42, v6.6.41, v6.6.40, v6.6.39, v6.6.38, v6.6.37, v6.6.36, v6.6.35, v6.6.34, v6.6.33, v6.6.32, v6.6.31, v6.6.30, v6.6.29, v6.6.28, v6.6.27, v6.6.26, v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16, v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14
# 4b419325	14-Dec-2020	Dmitry Torokhov <dmitry.torokhov@gmail.com>	Merge branch 'next' into for-linus Prepare input updates for 5.11 merge window.
Revision tags: v5.10
# 05909cd9	17-Nov-2020	Dmitry Torokhov <dmitry.torokhov@gmail.com>	Merge tag 'v5.9' into next Sync up with mainline to bring in the latest DTS files.
Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9
# 0ea8a56d	11-Sep-2020	Rodrigo Vivi <rodrigo.vivi@intel.com>	Merge drm/drm-next into drm-intel-next-queued Sync drm-intel-gt-next here so we can have an unified fixes flow. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Revision tags: v5.8.8
# 9ddb236f	09-Sep-2020	Takashi Iwai <tiwai@suse.de>	Merge branch 'for-linus' into for-next Back-merge to apply the tasklet conversion patches that are based on the already applied tasklet API changes on 5.9-rc4. Signed-off-by: Takashi Iwai <tiwai@su Merge branch 'for-linus' into for-next Back-merge to apply the tasklet conversion patches that are based on the already applied tasklet API changes on 5.9-rc4. Signed-off-by: Takashi Iwai <tiwai@suse.de> show more ...
Revision tags: v5.8.7, v5.8.6, v5.4.62
# 6bde8ef5	02-Sep-2020	Takashi Iwai <tiwai@suse.de>	Merge branch 'topic/tasklet-convert' into for-linus Pull tasklet API conversions. Signed-off-by: Takashi Iwai <tiwai@suse.de>
# ead5d1f4	01-Sep-2020	Jiri Kosina <jkosina@suse.cz>	Merge branch 'master' into for-next Sync with Linus' branch in order to be able to apply fixups of more recent patches.
Revision tags: v5.8.5, v5.8.4, v5.4.61
# 3bec5b6a	25-Aug-2020	Mark Brown <broonie@kernel.org>	Merge tag 'v5.9-rc2' into regulator-5.9 Linux 5.9-rc2
# 1959ba4e	25-Aug-2020	Mark Brown <broonie@kernel.org>	Merge tag 'v5.9-rc2' into asoc-5.9 Linux 5.9-rc2
# 2d9ad4cf	25-Aug-2020	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>	Merge tag 'v5.9-rc2' into drm-misc-fixes Backmerge requested by Tomi for a fix to omap inconsistent locking state issue, and because we need at least v5.9-rc2 now. Signed-off-by: Maarten Lankhorst Merge tag 'v5.9-rc2' into drm-misc-fixes Backmerge requested by Tomi for a fix to omap inconsistent locking state issue, and because we need at least v5.9-rc2 now. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> show more ...
Revision tags: v5.8.3, v5.4.60, v5.8.2, v5.4.59
# d85ddd13	18-Aug-2020	Maxime Ripard <maxime@cerno.tech>	Merge v5.9-rc1 into drm-misc-next Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Revision tags: v5.8.1, v5.4.58, v5.4.57
# 2044513f	06-Aug-2020	Linus Torvalds <torvalds@linux-foundation.org>	Merge tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux Pull arch/csky updates from Guo Ren: "New features: - seccomp-filter - err-injection - top-down&random mmap-layout Merge tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux Pull arch/csky updates from Guo Ren: "New features: - seccomp-filter - err-injection - top-down&random mmap-layout - irq_work - show_ipi - context-tracking Fixes & Optimizations: - kprobe_on_ftrace - optimize panic print" * tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux: csky: Add context tracking support csky: Add arch_show_interrupts for IPI interrupts csky: Add irq_work support csky: Fixup warning by EXPORT_SYMBOL(kmap) csky: Set CONFIG_NR_CPU 4 as default csky: Use top-down mmap layout csky: Optimize the trap processing flow csky: Add support for function error injection csky: Fixup kprobes handler couldn't change pc csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE csky: Add cpu feature register hint for smp csky: Add SECCOMP_FILTER supported csky: remove unusued thread_saved_pc and *_segments functions/macros show more ...
Revision tags: v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54
# 71e193d7	28-Jul-2020	Guo Ren <guoren@linux.alibaba.com>	csky: Add support for function error injection Inspired by the commit 42d038c4fb00 ("arm64: Add support for function error injection"), this patch supports function error injection for csky. This p csky: Add support for function error injection Inspired by the commit 42d038c4fb00 ("arm64: Add support for function error injection"), this patch supports function error injection for csky. This patch mainly support two functions: one is regs_set_return_value() which is used to overwrite the return value; the another function is override_function_with_return() which is to override the probed function returning and jump to its caller. Test log: cd /sys/kernel/debug/fail_function/ echo sys_clone > inject echo 100 > probability echo 1 > interval ls / [ 108.644163] FAULT_INJECTION: forcing a failure. [ 108.644163] name fail_function, interval 1, probability 100, space 0, times 1 [ 108.647799] CPU: 0 PID: 104 Comm: sh Not tainted 5.8.0-rc5+ #46 [ 108.648384] Call Trace: [ 108.649339] [<8005eed4>] walk_stackframe+0x0/0xf0 [ 108.649679] [<8005f16a>] show_stack+0x32/0x5c [ 108.649927] [<8040f9d2>] dump_stack+0x6e/0x9c [ 108.650271] [<80406f7e>] should_fail+0x15e/0x1ac [ 108.650720] [<80118ba8>] fei_kprobe_handler+0x28/0x5c [ 108.651519] [<80754110>] kprobe_breakpoint_handler+0x144/0x1cc [ 108.652289] [<8005d6da>] trap_c+0x8e/0x110 [ 108.652816] [<8005ce8c>] csky_trap+0x5c/0x70 -sh: can't fork: Invalid argument Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Arnd Bergmann <arnd@arndb.de> show more ...