linux/kernel/trace
Martynas Pumputis 1efb6ee3ed bpf: fix check of allowed specifiers in bpf_trace_printk
A format string consisting of "%p" or "%s" followed by an invalid
specifier (e.g. "%p%\n" or "%s%") could pass the check which
would make format_decode (lib/vsprintf.c) to warn.

Fixes: 9c959c863f ("tracing: Allow BPF programs to call bpf_trace_printk()")
Reported-by: syzbot+1ec5c5ec949c4adaa0c4@syzkaller.appspotmail.com
Signed-off-by: Martynas Pumputis <m@lambda.lt>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-11-23 21:54:14 +01:00
..
Kconfig Masami found an off by one bug in the code that keeps "notrace" functions 2018-08-23 13:07:00 -07:00
Makefile tracing: Allow gcov profiling on only ftrace subsystem 2018-08-21 09:11:49 -04:00
blktrace.c blkcg: revert blkcg cleanups series 2018-11-01 19:59:53 -06:00
bpf_trace.c bpf: fix check of allowed specifiers in bpf_trace_printk 2018-11-23 21:54:14 +01:00
ftrace.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
power-traces.c
preemptirq_delay_test.c tracing: Use trace_clock_local() for looping in preemptirq_delay_test.c 2018-10-17 15:35:33 -04:00
ring_buffer.c ring-buffer: Allow for rescheduling when removing pages 2018-09-17 18:15:11 -04:00
ring_buffer_benchmark.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
rpm-traces.c
trace.c tracing: Export trace_dump_stack to modules 2018-10-27 11:15:03 -04:00
trace.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_benchmark.c
trace_benchmark.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_branch.c
trace_clock.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_entries.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_event_perf.c trace_uprobe: support reference counter in fd-based uprobe 2018-10-10 22:14:17 -04:00
trace_events.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_events_filter.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_events_filter_test.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_events_hist.c tracing: Return -ENOENT if there is no target synthetic event 2018-10-28 04:58:15 -04:00
trace_events_trigger.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_export.c
trace_functions.c
trace_functions_graph.c
trace_hwlat.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_irqsoff.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_kdb.c
trace_kprobe.c tracing/kprobes: Allow kprobe-events to record module symbol 2018-10-10 22:19:12 -04:00
trace_kprobe_selftest.c
trace_kprobe_selftest.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_mmiotrace.c
trace_nop.c
trace_output.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_output.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_preemptirq.c
trace_printk.c tracing: Trivia spelling fix containerof() -> container_of() 2018-09-26 12:21:00 +03:00
trace_probe.c tracing/kprobes: Fix strpbrk() argument order 2018-11-05 09:47:14 -05:00
trace_probe.h tracing/kprobes: Allow kprobe-events to record module symbol 2018-10-10 22:19:12 -04:00
trace_probe_tmpl.h tracing: probeevent: Add array type support 2018-10-10 22:19:10 -04:00
trace_sched_switch.c
trace_sched_wakeup.c
trace_selftest.c
trace_selftest_dynamic.c
trace_seq.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_stack.c tracing: Have stack tracer trace full stack 2018-10-27 11:15:04 -04:00
trace_stat.c
trace_stat.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_syscalls.c
trace_uprobe.c tracing/uprobes: Fix to return -EFAULT if copy_from_user failed 2018-10-10 22:19:11 -04:00
tracing_map.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
tracing_map.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00