Bug 1994505

Summary:	vfs.{read,write,open} stap script produces "Potential type mismatch" warnings
Product:	Red Hat Enterprise Linux 8	Reporter:	Ramesh Sahoo <rsahoo>
Component:	systemtap	Assignee:	Frank Ch. Eigler <fche>
systemtap sub component:	system-version	QA Contact:	Martin Cermak <mcermak>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	medium
Priority:	unspecified	CC:	dsmith, lberk, mcermak, mjw, rmetrich
Version:	8.4	Keywords:	Bugfix, Patch, Triaged, UserExperience
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	systemtap-4.6-1.el8	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-10 14:10:47 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ramesh Sahoo 2021-08-17 12:32:53 UTC

Description of problem:

The following stap script perfectly works on RHEL7 however it breaks on RHEL8.  

#! /usr/bin/env stap
# Systemtap script to watch read,write,open events on a file. 
# This script must be executed with the inode number of the file as an argument. 
# Execute stat -c "%i" <file_path> to see file indode
 
#
# Run Instructions:
# 	# yum install systemtap
# 	# stap-prep
# 	# stap -v <thiscript.stp> <file_indode_number>
#


probe vfs.{read,write,open}.return
{
  ino = ino
  if (ino == $1){
  printf ("%s file_path(%s) proc_name(%s) uid(%ld) pid(%d) ppid(%d) parent_proc(%s) ppfunc(%s) cmd_line(%s)\n", 
		  ctime(gettimeofday_s()), pathname, execname(), uid(), pid(), ppid(), pexecname(), ppfunc(), cmdline_str())
  printf("Process Trace:\n")
  ts = task_current()
  while (ts->pid !=1 && ts->pid !=0) {
    ts = ts->parent
    printf(" ↓ %ld ('%s')\n", ts->pid, pid2execname(ts->pid))
    }
  printf("\n")
  }
}


Output from RHEL7:
Tue Aug 17 07:31:53 2021 file_path(/tmp/file1.txt) proc_name(cat) uid(100084) pid(10439) ppid(26535) parent_proc(bash) ppfunc(vfs_read) cmd_line(cat /tmp/file1.txt)
Process Trace:
↓ 26535 ('bash')
↓ 26090 ('terminator')
↓ 3560 ('gnome-shell')
↓ 3375 ('gnome-session-b')
↓ 3332 ('gdm-session-wor')
↓ 2219 ('gdm')
↓ 1 ('systemd')


Failed Output from RHEL8:

[root@localhost ~]# stap -v file_watch.stp 102228751
Pass 1: parsed user script and 484 library scripts using 268276virt/109956res/12004shr/97544data kb, in 270usr/30sys/309real ms.
WARNING: cannot find module kernel debuginfo: No DWARF information found [man warning::debuginfo]
semantic error: resolution failed in DWARF builder

semantic error: resolution failed in DWARF builder

semantic error: while resolving probe point: identifier 'kernel' at /usr/share/systemtap/tapset/linux/vfs.stp:991:25
        source: probe vfs.read.return = kernel.function("vfs_read").return
                                        ^

semantic error: no match

semantic error: resolution failed in alias expansion builder

WARNING: cannot find module kernel debuginfo: No DWARF information found [man warning::debuginfo]
semantic error: resolution failed in DWARF builder

semantic error: resolution failed in alias expansion builder

WARNING: cannot find module kernel debuginfo: No DWARF information found [man warning::debuginfo]
semantic error: resolution failed in alias expansion builder



Version-Release number of selected component (if applicable):
systemtap-4.4-11.el8_4.x86_64

Comment 1 Frank Ch. Eigler 2021-08-17 12:46:36 UTC

The messages point to this man page:

% man warning::debuginfo

which contains information about how to deal with missing debuginfo.  The simplest thing to do here may be:

# sudo stap-prep

Please let us know how things work after the needed debuginfo is installed.  (If inside RH, there is a debuginfod server that systemtap can use to download this stuff for itself.)

Comment 2 Ramesh Sahoo 2021-08-17 13:27:50 UTC

Hello Frank,

Thanks, I got that working but there are several warnings. Anyway to avoid these warnings? 

[root@localhost ~]# stap -v file_watch.stp 102228763
Pass 1: parsed user script and 484 library scripts using 268276virt/110052res/12104shr/97544data kb, in 280usr/30sys/312real ms.
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at /usr/share/systemtap/tapset/linux/dentry.stp:246:3
 source: 		root_dentry = @cast(task, "task_struct", "kernel")->fs->root->dentry
         		^
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at :246:3
 source: 		root_dentry = @cast(task, "task_struct", "kernel")->fs->root->dentry
         		^
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at :246:3
 source: 		root_dentry = @cast(task, "task_struct", "kernel")->fs->root->dentry
         		^
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at :242:3
 source: 		root_dentry = & @cast(task, "task_struct", "kernel")->fs->root
         		^
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at :242:3
 source: 		root_dentry = & @cast(task, "task_struct", "kernel")->fs->root
         		^
WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' at :242:3
 source: 		root_dentry = & @cast(task, "task_struct", "kernel")->fs->root
         		^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :268:6
 source: 					dentry = mnt->mnt_mountpoint
         					^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :269:6
 source: 					vfsmnt = & mnt->mnt_parent->mnt
         					^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :290:27
 source: 		name = __dentry_prepend(dentry, name)
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:3
 source: 		dentry = dentry->d_parent
         		^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:12
 source: 		dentry = dentry->d_parent
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :268:6
 source: 					dentry = mnt->mnt_mountpoint
         					^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :269:6
 source: 					vfsmnt = & mnt->mnt_parent->mnt
         					^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :290:27
 source: 		name = __dentry_prepend(dentry, name)
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:3
 source: 		dentry = dentry->d_parent
         		^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:12
 source: 		dentry = dentry->d_parent
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :268:6
 source: 					dentry = mnt->mnt_mountpoint
         					^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :269:6
 source: 					vfsmnt = & mnt->mnt_parent->mnt
         					^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :290:27
 source: 		name = __dentry_prepend(dentry, name)
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:3
 source: 		dentry = dentry->d_parent
         		^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :291:12
 source: 		dentry = dentry->d_parent
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:2
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:19
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:2
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:19
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:9
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:25
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	                       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:28
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                          ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:39
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                     ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :217:49
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :222:7
 source: 		if (vfsmnt->mnt_sb->s_magic == @const("SOCKFS_MAGIC")) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :223:35
 source: 			return sprintf("socket:[%lu]", dentry->d_inode->i_ino)
         			                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :225:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("PIPEFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :226:33
 source: 			return sprintf("pipe:[%lu]", dentry->d_inode->i_ino)
         			                             ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :228:12
 source: 		else if (vfsmnt->mnt_sb->s_magic
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :230:43
 source: 			return sprintf("ANON_INODE:%s", d_name(dentry))
         			                                       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :232:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("NSFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :233:20
 source: 			ns_ops = &@cast(dentry->d_fsdata, "proc_ns_operations", "kernel")
         			                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :235:12
 source: 				       dentry->d_inode->i_ino)
         				       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :237:34
 source: 		return sprintf("UNKNOWN:[%p]", dentry)
         		                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :251:27
 source: 		mnt = &@cast(real_mount(vfsmnt), "mount", "kernel")
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :257:9
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :257:34
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	                                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:7
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :258:17
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		              ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:54
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		                                                   ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :260:8
 source: 			if (dentry != vfsmnt->mnt_root) {
         			    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :260:18
 source: 			if (dentry != vfsmnt->mnt_root) {
         			              ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:2
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:19
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:2
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:19
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:9
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:25
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	                       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:28
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                          ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:39
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                     ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :217:49
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :222:7
 source: 		if (vfsmnt->mnt_sb->s_magic == @const("SOCKFS_MAGIC")) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :223:35
 source: 			return sprintf("socket:[%lu]", dentry->d_inode->i_ino)
         			                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :225:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("PIPEFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :226:33
 source: 			return sprintf("pipe:[%lu]", dentry->d_inode->i_ino)
         			                             ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :228:12
 source: 		else if (vfsmnt->mnt_sb->s_magic
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :230:43
 source: 			return sprintf("ANON_INODE:%s", d_name(dentry))
         			                                       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :232:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("NSFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :233:20
 source: 			ns_ops = &@cast(dentry->d_fsdata, "proc_ns_operations", "kernel")
         			                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :235:12
 source: 				       dentry->d_inode->i_ino)
         				       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :237:34
 source: 		return sprintf("UNKNOWN:[%p]", dentry)
         		                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :251:27
 source: 		mnt = &@cast(real_mount(vfsmnt), "mount", "kernel")
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :257:9
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :257:34
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	                                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:7
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :258:17
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		              ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:54
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		                                                   ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :260:8
 source: 			if (dentry != vfsmnt->mnt_root) {
         			    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :260:18
 source: 			if (dentry != vfsmnt->mnt_root) {
         			              ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:2
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :212:19
 source: 	dentry = & @cast(dentry, "dentry", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:2
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :213:19
 source: 	vfsmnt = & @cast(vfsmnt, "vfsmount", "kernel")
         	                 ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:9
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :216:25
 source: 	    && dentry->d_op && dentry->d_op->d_dname
         	                       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:28
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                          ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :217:39
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                     ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :217:49
 source: 	    && (!__dentry_IS_ROOT(dentry) || dentry != vfsmnt->mnt_root)) {
         	                                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :222:7
 source: 		if (vfsmnt->mnt_sb->s_magic == @const("SOCKFS_MAGIC")) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :223:35
 source: 			return sprintf("socket:[%lu]", dentry->d_inode->i_ino)
         			                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :225:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("PIPEFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :226:33
 source: 			return sprintf("pipe:[%lu]", dentry->d_inode->i_ino)
         			                             ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :228:12
 source: 		else if (vfsmnt->mnt_sb->s_magic
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :230:43
 source: 			return sprintf("ANON_INODE:%s", d_name(dentry))
         			                                       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :232:12
 source: 		else if (vfsmnt->mnt_sb->s_magic == @const("NSFS_MAGIC")) {
         		         ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :233:20
 source: 			ns_ops = &@cast(dentry->d_fsdata, "proc_ns_operations", "kernel")
         			                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :235:12
 source: 				       dentry->d_inode->i_ino)
         				       ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :237:34
 source: 		return sprintf("UNKNOWN:[%p]", dentry)
         		                               ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :251:27
 source: 		mnt = &@cast(real_mount(vfsmnt), "mount", "kernel")
         		                        ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :257:9
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	       ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :257:34
 source: 	while (dentry != root_dentry || vfsmnt == root_vfsmnt) {
         	                                ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:7
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :258:17
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		              ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :258:54
 source: 		if (dentry == vfsmnt->mnt_root || __dentry_IS_ROOT(dentry)) {
         		                                                   ^
WARNING: Potential type mismatch in reassignment: identifier 'dentry' at :260:8
 source: 			if (dentry != vfsmnt->mnt_root) {
         			    ^
WARNING: Potential type mismatch in reassignment: identifier 'vfsmnt' at :260:18
 source: 			if (dentry != vfsmnt->mnt_root) {
         			              ^
Pass 2: analyzed script: 6 probes, 64 functions, 9 embeds, 38 globals using 479080virt/322500res/13800shr/308348data kb, in 2670usr/380sys/3055real ms.
Pass 3: translated to C into "/tmp/stapLResKt/stap_e1576cc8e2e33e12298b404b13ba64b9_42821_src.c" using 479080virt/322692res/13992shr/308348data kb, in 40usr/70sys/107real ms.
Pass 4: compiled C into "stap_e1576cc8e2e33e12298b404b13ba64b9_42821.ko" in 4880usr/700sys/5031real ms.
Pass 5: starting run.


Tue Aug 17 13:25:15 2021 file_path(/tmp/anaconda.log) proc_name(cat) uid(0) pid(78200) ppid(78114) parent_proc(bash) ppfunc(vfs_read) cmd_line(cat /tmp/anaconda.log)
Process Trace:
 ↓ 78114 ('bash')
 ↓ 78107 ('sshd')
 ↓ 78100 ('sshd')
 ↓ 1168 ('sshd')
 ↓ 1 ('systemd')

Tue Aug 17 13:25:15 2021 file_path(/tmp/anaconda.log) proc_name(cat) uid(0) pid(78200) ppid(78114) parent_proc(bash) ppfunc(vfs_read) cmd_line(cat /tmp/anaconda.log)
Process Trace:
 ↓ 78114 ('bash')
 ↓ 78107 ('sshd')
 ↓ 78100 ('sshd')
 ↓ 1168 ('sshd')
 ↓ 1 ('systemd')

Comment 3 Frank Ch. Eigler 2021-08-17 13:32:33 UTC

Yeah, that warning is annoying.  Use "stap -w ..." to suppress it until we can get rid of it.  Will retarget this BZ toward that end.

Comment 4 Frank Ch. Eigler 2021-10-25 16:30:52 UTC

While we're still aiming to get this done during the 8.6 timeframe, but unsetting flags to stop making it look like there is a firm commitment.

Comment 5 Frank Ch. Eigler 2021-11-03 01:53:26 UTC

upstream commit a11d8a296ba4 should roll into the upcoming rebase

Comment 7 Martin Cermak 2021-12-03 08:58:40 UTC

Verified with systemtap-4.6-2.el8 and systemtap-4.6-1.el9

Comment 8 Martin Cermak 2021-12-03 09:28:23 UTC

(In reply to Martin Cermak from comment #7)
> Verified with systemtap-4.6-2.el8 and systemtap-4.6-1.el9

And with systemtap-4.6-3.el9 too.

Comment 11 errata-xmlrpc 2022-05-10 14:10:47 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (systemtap bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:1890