linux-stable/kernel
Masami Hiramatsu (Google) d4505aa6af tracing/probes: Reject symbol/symstr type for uprobe
Since uprobe's argument must contain the user-space data, that
should not be converted to kernel symbols. Reject if user
specifies these types on uprobe events. e.g.

 /sys/kernel/debug/tracing # echo 'p /bin/sh:10 %ax:symbol' >> uprobe_events
 sh: write error: Invalid argument
 /sys/kernel/debug/tracing # echo 'p /bin/sh:10 %ax:symstr' >> uprobe_events
 sh: write error: Invalid argument
 /sys/kernel/debug/tracing # cat error_log
 [ 1783.134883] trace_uprobe: error: Unknown type is specified
   Command: p /bin/sh:10 %ax:symbol
                             ^
 [ 1792.201120] trace_uprobe: error: Unknown type is specified
   Command: p /bin/sh:10 %ax:symstr
                             ^
Link: https://lore.kernel.org/all/166679931679.1528100.15540755370726009882.stgit@devnote3/

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2022-12-15 09:00:20 +09:00
..
bpf bpf: Fix wrong reg type conversion in release_reference() 2022-11-04 00:24:12 +01:00
cgroup cgroup fixes for v6.1-rc1 2022-10-17 18:52:43 -07:00
configs
debug
dma
entry
events perf/hw_breakpoint: test: Skip the test if dependencies unmet 2022-11-02 12:22:05 +01:00
futex
gcov gcov: support GCC 12.1 and newer compilers 2022-10-20 21:27:22 -07:00
irq
kcsan treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
livepatch
locking treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
module
power PM: hibernate: Allow hybrid sleep to work with s2idle 2022-10-25 14:53:19 +02:00
printk
rcu rcu: Keep synchronize_rcu() from enabling irqs in early boot 2022-10-20 15:34:49 -07:00
sched sched: Introduce struct balance_callback to avoid CFI mismatches 2022-10-17 16:41:25 +02:00
time treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
trace tracing/probes: Reject symbol/symstr type for uprobe 2022-12-15 09:00:20 +09:00
.gitignore
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