Linus Torvalds 8053e5b93e Masami found a slight bug in his code where he transposed the arguments of a ... call to strpbrk. The reason this wasn't detected in our tests is that the only way this would transpire is when a kprobe event with a symbol offset is attached to a function that belongs to a module that isn't loaded yet. When the kprobe trace event is added, the offset would be truncated after it was parsed, and when the module is loaded, it would use the symbol without the offset (as the nul character added by the parsing would not be replaced with the original character). -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCW+Dv7BQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qoa6AQDHmraHc2A2Q2sKKaLa7HcJvz7y1dez K73QtEJx/C0sUwEA9bALVV+TSO/C468/VjrdA5qMNUn6RpUR4HV7aWTHiQg= =Tn/+ -----END PGP SIGNATURE----- Merge tag 'trace-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "Masami found a slight bug in his code where he transposed the arguments of a call to strpbrk. The reason this wasn't detected in our tests is that the only way this would transpire is when a kprobe event with a symbol offset is attached to a function that belongs to a module that isn't loaded yet. When the kprobe trace event is added, the offset would be truncated after it was parsed, and when the module is loaded, it would use the symbol without the offset (as the nul character added by the parsing would not be replaced with the original character)" * tag 'trace-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/kprobes: Fix strpbrk() argument order		2018-11-06 08:12:10 -08:00
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