uprobes/sdt: Prevent multiple reference counter for same uprobe

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We assume to have only one reference counter for one uprobe.
Don't allow user to register multiple uprobes having same
inode+offset but different reference counter.

Link: http://lkml.kernel.org/r/20180820044250.11659-3-ravi.bangoria@linux.ibm.com

Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Song Liu <songliubraving@fb.com>
Tested-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Ravi Bangoria 2018-08-20 10:12:48 +05:30 • committed by Steven Rostedt (VMware)

parent 1cc33161a8

commit 22bad38286

1 changed files with 19 additions and 0 deletions

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kernel/events/uprobes.c

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