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* [Bug runtime/20421] New: "Unable to handle kernel pointer dereference" oops
@ 2016-07-28 14:26 dsmith at redhat dot com
  2024-02-21 15:42 ` [Bug runtime/20421] " fche at redhat dot com
  0 siblings, 1 reply; 2+ messages in thread
From: dsmith at redhat dot com @ 2016-07-28 14:26 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=20421

            Bug ID: 20421
           Summary: "Unable to handle kernel pointer dereference" oops
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: dsmith at redhat dot com
  Target Milestone: ---

I just saw the following kernel oops on 3.10.0-327.el7.s390x.debug while
running the test suite in parallel mode:

====
[ 6634.215792] Unable to handle kernel pointer dereference at virtual kernel
add
ress 0000000014dd4000                                                           
[ 6634.215869] Oops: 0011 [#1] SMP DEBUG_PAGEALLOC                              
[ 6634.215875] Modules linked in:
stap_0a67e95bbd697eb04b85aa88c3e2390_43124(OE)
 tun binfmt_misc vmur nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs 
libcrc32c dasd_fba_mod qeth_l2 dasd_eckd_mod dasd_mod qeth qdio lcs ctcm
ccwgrou
p fsm dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
stap_29f198a47b9768
355b6289a926af331_49177]                                                        
[ 6634.215915] CPU: 0 PID: 49486 Comm: sh Tainted: G        W  OE  ------------ 
  3.10.0-327.el7.s390x.debug #1                                                 
[ 6634.215919] task: 000000007f31ca10 ti: 000000006d24c000 task.ti:
000000006d24
c000                                                                            
[ 6634.215923] Krnl PSW : 0704e00180000000 000003ff801c9a7c
(__stp_utrace_attach
_match_tsk.isra.61+0x2c/0x348 [stap_0a67e95bbd697eb04b85aa88c3e2390_43124])     
[ 6634.215943]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0
EA:
3                                                                               
Krnl GPRS: 0000000073a1b850 0000000000000001 0000000014dd4a10 000000007f31ca10  
[ 6634.215953]            000003ff801c9ef8 000000000000001c 0000000000000003
000
0000000000000                                                                   
[ 6634.216358]            0000000000000000 0000000000fc7350 000000007f31ca10
000
003ff801d6df8                                                                   
[ 6634.216366]            0000000000000000 0000000014dd4a10 000000006d24fe10
000
000006d24fda8                                                                   
[ 6634.216379] Krnl Code: 000003ff801c9a6e: b90400a3            lgr    
%r10,%r3

           000003ff801c9a72: b90400d2           lgr     %r13,%r2                
          #000003ff801c9a76: ec2800f3007c       cgij    %r2,0,8,3ff801c9c5c     
          >000003ff801c9a7c: e310231c0012       lt      %r1,796(%r2)            
           000003ff801c9a82: a7c400ed           brc     12,3ff801c9c5c          
           000003ff801c9a86: ec3800eb007c       cgij    %r3,0,8,3ff801c9c5c     
           000003ff801c9a8c: e320331c0012       lt      %r2,796(%r3)            
           000003ff801c9a92: a7c400e5           brc     12,3ff801c9c5c          
[ 6634.216496] Call Trace:                                                      
[ 6634.216500] ([<0000000000000000>] 0x0)                                       
[ 6634.216508]  [<000003ff801c9f4c>] __stp_tf_clone_worker+0x11c/0x120
[stap_0a6
7e95bbd697eb04b85aa88c3e2390_43124]                                             
[ 6634.216517]  [<0000000000167d14>] task_work_run+0xd4/0x110                   
[ 6634.216531]  [<0000000000654e6a>] sysc_return+0x0/0xe                        
[ 6634.216582]  [<000003fffd26eefa>] 0x3fffd26eefa                              
[ 6634.216589] INFO: lockdep is turned off.                                     
[ 6634.216591] Last Breaking-Event-Address:                                     
[ 6634.216592]  [<000003ff801c9f46>] __stp_tf_clone_worker+0x116/0x120
[stap_0a6
7e95bbd697eb04b85aa88c3e2390_43124]                                             
[ 6634.216600]                                                                  
[ 6634.216628] ---[ end trace 98e9fc0aaa047cd9 ]---                             
====

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* [Bug runtime/20421] "Unable to handle kernel pointer dereference" oops
  2016-07-28 14:26 [Bug runtime/20421] New: "Unable to handle kernel pointer dereference" oops dsmith at redhat dot com
@ 2024-02-21 15:42 ` fche at redhat dot com
  0 siblings, 0 replies; 2+ messages in thread
From: fche at redhat dot com @ 2024-02-21 15:42 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=20421

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |OBSOLETE
                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
likely fixed long ago

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2016-07-28 14:26 [Bug runtime/20421] New: "Unable to handle kernel pointer dereference" oops dsmith at redhat dot com
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