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From: "fche at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/31074] On aarch64 the systemtap.base/set_kernel.stp triggers "Unable to handle kernel paging request"
Date: Wed, 22 Nov 2023 00:19:15 +0000	[thread overview]
Message-ID: <bug-31074-6586-iMDqTPJNOP@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-31074-6586@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=31074

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
That failing strcmp may come from stp_tracepoint.c, via

stp_tracepoint_going / get_tracepoint

00126         head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)];     
00127         hlist_for_each_entry(e, head, hlist) {                            
00128                 if (!strcmp(name, e->name))                               
00129                         return e;                                         
00130         }                                                                 

that offset 0x30 looks like it could be a match for e->name with null e

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  reply	other threads:[~2023-11-22  0:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-17 17:13 [Bug runtime/31074] New: " wcohen at redhat dot com
2023-11-22  0:19 ` fche at redhat dot com [this message]
2023-11-22 15:02 ` [Bug runtime/31074] " wcohen at redhat dot com
2023-11-22 15:36 ` fche at redhat dot com
2023-11-27 16:07 ` wcohen at redhat dot com
2023-12-01 14:51 ` wcohen at redhat dot com
2023-12-01 16:45 ` wcohen at redhat dot com
2023-12-01 17:19 ` mark at klomp dot org
2023-12-04 16:38 ` wcohen at redhat dot com

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