import systemtap-4.8-2.el8
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
1e1fb72c43
commit
23efa154ec
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@ -0,0 +1,50 @@
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commit 47cab810bb7ea315a2dec23c2f61e7ba74515b82
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Author: Martin Cermak <mcermak@redhat.com>
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Date: Fri Dec 16 16:08:20 2022 -0500
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tapset: nfs.proc.commit_done compilation on some kernels
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Correct:
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9.0 Server x86_64 # stap -vp3 nfs.proc.commit_done.stp
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Pass 1: parsed user script and 482 library scripts using 108088virt/88468res/12460shr/75476data kb, in 190usr/60sys/501real ms.
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semantic error: invalid access '->task' vs 'void*': operator '->' at /usr/share/systemtap/tapset/linux/nfs_proc.stpm:16:21
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source: ( get_ip(&@nfs_data->task) )
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^
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in expansion of macro: operator '@_nfs_data_server_ip' at /usr/share/systemtap/tapset/linux/nfs_proc.stp:1421:15
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source: server_ip = @_nfs_data_server_ip($task->tk_calldata)
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^
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diff --git a/tapset/linux/nfs_proc.stp b/tapset/linux/nfs_proc.stp
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index 9b1f65f5f..4413384f9 100644
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--- a/tapset/linux/nfs_proc.stp
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+++ b/tapset/linux/nfs_proc.stp
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@@ -1442,10 +1442,11 @@ probe nfs.proc3.commit_done = kernel.function("nfs3_commit_done") !,
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valid = @_nfs_data_valid($data)
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}
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else {
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- server_ip = @_nfs_data_server_ip($task->tk_calldata)
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- prot = @_nfs_data_prot($task->tk_calldata)
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- count = @_nfs_data_res_count($task->tk_calldata)
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- valid = @_nfs_data_valid($task->tk_calldata)
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+ _tk_calldata=@choose_defined($task->tk_calldata, @cast($task, "rpc_task", "kernel:nfs")->tk_calldata)
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+ server_ip = @_nfs_data_server_ip(_tk_calldata)
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+ prot = @_nfs_data_prot(_tk_calldata)
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+ count = @_nfs_data_res_count(_tk_calldata)
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+ valid = @_nfs_data_valid(_tk_calldata)
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}
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timestamp = 0
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version = 3
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diff --git a/tapset/linux/nfs_proc.stpm b/tapset/linux/nfs_proc.stpm
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index 8576c0f33..4fe40b2a5 100644
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--- a/tapset/linux/nfs_proc.stpm
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+++ b/tapset/linux/nfs_proc.stpm
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@@ -13,7 +13,7 @@
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@define _nfs_data_server_ip(nfs_data)
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%(
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- ( get_ip(&@nfs_data->task) )
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+ ( get_ip(@choose_defined(&@nfs_data->task, &@cast(@nfs_data, "nfs_commit_data", "kernel:nfs")->task)) )
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%)
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@define _nfs_data_prot(nfs_data)
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@ -0,0 +1,30 @@
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commit 578e60102871d11ed8c18d36f6286f3a96258d8f
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Author: Ryan Goldberg <rgoldber@redhat.com>
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Date: Thu Dec 1 16:15:44 2022 -0500
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PR29676: Wildcard expansion fix for labels
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PR29676, introduced an bug where function symbols from the symbol
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table were expanded in the function component resulting in wildcards
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not being expanded in labels. This fix, removes the issue by restricting
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the symbol table query to probes which don't need further debuginfo to
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expand.
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diff --git a/tapsets.cxx b/tapsets.cxx
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index 0ec71ebda..46b10f26e 100644
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--- a/tapsets.cxx
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+++ b/tapsets.cxx
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@@ -1256,7 +1256,11 @@ dwarf_query::handle_query_module()
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// in the symbol table but not in dwarf and minidebuginfo is
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// located in the gnu_debugdata section, alias_dupes checking
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// is done before adding any probe points
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- if(!pending_interrupts)
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+ // PR29676. Some probes require additional debuginfo
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+ // to expand wildcards (ex. .label, .callee). Since the debuginfo is
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+ // not available, don't bother looking in the symbol table for these results.
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+ // This can result in 0 results, if there is no dwarf info present
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+ if(!pending_interrupts && !(has_label || has_callee || has_callees_num))
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query_module_symtab();
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}
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@ -0,0 +1,78 @@
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commit 05eb6742c169226ae09f1737aa8b9dc1dc12adb5
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Author: Mark Wielaard <mark@klomp.org>
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Date: Tue Nov 29 18:50:58 2022 +0100
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Handle DWARF5 DW_OP_implicit_pointer and DW_OP_entry_value
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These are the same as the GNU extensions for older DWARF,
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DW_OP_GNU_implicit_pointer and DW_GNU_entry_value.
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diff --git a/loc2stap.cxx b/loc2stap.cxx
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index efc78cc57..53316a480 100644
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--- a/loc2stap.cxx
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+++ b/loc2stap.cxx
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@@ -23,6 +23,11 @@
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#define DW_OP_GNU_entry_value 0xf3
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#endif
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+#if ! _ELFUTILS_PREREQ(0, 171)
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+#define DW_OP_entry_value 0xa3
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+#define DW_OP_implicit_pointer 0xa0
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+#endif
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+
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#define N_(x) x
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@@ -372,7 +377,7 @@ location_context::translate (const Dwarf_Op *expr, const size_t len,
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DIE ("operations follow DW_OP_implicit_value");
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if (implicit_pointer != NULL)
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- DIE ("operations follow DW_OP_GNU_implicit_pointer");
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+ DIE ("operations follow DW_OP implicit_pointer");
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}
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switch (expr[i].atom)
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@@ -662,6 +667,7 @@ location_context::translate (const Dwarf_Op *expr, const size_t len,
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#if _ELFUTILS_PREREQ (0, 149)
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case DW_OP_GNU_implicit_pointer:
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+ case DW_OP_implicit_pointer:
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implicit_pointer = &expr[i];
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/* Fake top of stack: implicit_pointer being set marks it. */
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PUSH(NULL);
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@@ -684,10 +690,11 @@ location_context::translate (const Dwarf_Op *expr, const size_t len,
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break;
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case DW_OP_GNU_entry_value:
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+ case DW_OP_entry_value:
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{
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expression *result = handle_GNU_entry_value (expr[i]);
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if (result == NULL)
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- DIE("DW_OP_GNU_entry_value unable to resolve value");
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+ DIE("DW_OP entry_value unable to resolve value");
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PUSH(result);
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}
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break;
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@@ -1248,7 +1255,8 @@ location_context::location_relative (const Dwarf_Op *expr, size_t len,
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break;
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case DW_OP_GNU_entry_value:
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- DIE ("unhandled DW_OP_GNU_entry_value");
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+ case DW_OP_entry_value:
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+ DIE ("unhandled DW_OP entry_value");
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break;
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default:
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diff --git a/testsuite/systemtap.base/dw_entry_value.exp b/testsuite/systemtap.base/dw_entry_value.exp
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index 7339fc5fa..b728fa7ff 100644
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--- a/testsuite/systemtap.base/dw_entry_value.exp
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+++ b/testsuite/systemtap.base/dw_entry_value.exp
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@@ -10,7 +10,7 @@ if { $res != "" } {
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pass "$test: compiled $test.c"
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}
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-if { ![catch { exec eu-readelf -w $test | grep GNU_entry_value }] } {
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+if { ![catch { exec eu-readelf -w $test | grep entry_value: }] } {
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stap_run $test no_load $all_pass_string $srcdir/$subdir/$test.stp -c ./${test} -w
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} else {
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untested "$test: no DW_OP_GNU_entry_value found"
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@ -0,0 +1,73 @@
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commit 7eed8d1fef36997b9e4c1d9cdb67643483a51e56
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Author: William Cohen <wcohen@redhat.com>
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Date: Fri Nov 4 11:12:05 2022 -0400
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Ensure that SystemTap runtime uses smp_processor_id() in proper context
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There were cases on Fedora 36 and Rawhide running kernels with
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CONFIG_DEBUG_PREEMPT=y where systemtap scripts would trigger kernel
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log messages like the following:
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[ 257.544406] check_preemption_disabled: 4 callbacks suppressed
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[ 257.544409] BUG: using smp_processor_id() in preemptible [00000000] code: staprun/2106
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[ 257.544465] caller is _stp_runtime_context_trylock+0x12/0x70 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544507] CPU: 0 PID: 2106 Comm: staprun Tainted: G OE ------- --- 6.1.0-0.rc2.20221028git23758867219c.24.fc38.x86_64 #1
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[ 257.544544] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36 04/01/2014
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[ 257.544571] Call Trace:
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[ 257.544583] <TASK>
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[ 257.544593] dump_stack_lvl+0x5b/0x77
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[ 257.544620] check_preemption_disabled+0xe1/0xf0
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[ 257.544641] _stp_runtime_context_trylock+0x12/0x70 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544673] _stp_runtime_entryfn_get_context+0xb/0x70 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544705] _stp_ctl_send+0x76/0x1e0 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544735] _stp_transport_init+0x71a/0x860 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544771] ? kallsyms_on_each_symbol+0x30/0x30 [stap_e36600406768aeefd49daf9fc7a3d23c_2106]
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[ 257.544803] do_one_initcall+0x6b/0x320
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[ 257.544827] do_init_module+0x4a/0x200
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[ 257.544844] __do_sys_init_module+0x16a/0x1a0
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[ 257.544870] do_syscall_64+0x58/0x80
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[ 257.544885] ? up_read+0x17/0x20
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[ 257.544902] ? lock_is_held_type+0xe8/0x140
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[ 257.544921] ? asm_exc_page_fault+0x22/0x30
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[ 257.544939] ? lockdep_hardirqs_on+0x7d/0x100
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[ 257.544956] entry_SYSCALL_64_after_hwframe+0x63/0xcd
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[ 257.544975] RIP: 0033:0x7f3cde12f5de
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[ 257.544992] Code: 48 8b 0d 35 68 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 02 68 0c 00 f7 d8 64 89 01 48
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[ 257.545010] RSP: 002b:00007ffc5170c418 EFLAGS: 00000246 ORIG_RAX: 00000000000000af
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[ 257.545010] RAX: ffffffffffffffda RBX: 0000563620bd4020 RCX: 00007f3cde12f5de
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[ 257.545010] RDX: 0000563620bd4020 RSI: 0000000000040ea0 RDI: 00007f3cde44a010
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[ 257.545010] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
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[ 257.545010] R10: 0000000000000053 R11: 0000000000000246 R12: 00007ffc5170c510
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[ 257.545010] R13: 00007f3cde44a010 R14: 00007ffc5170c440 R15: 00007f3cde4631e8
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[ 257.545010] </TASK>
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This issue was introduced by git commit 1641b6e7ea which added a fast
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path check that used smp_processor_id() without first having a
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preempt_disable(). The code now ensures that preemption is disabled
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before using the smp_processor_id().
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diff --git a/runtime/linux/runtime_context.h b/runtime/linux/runtime_context.h
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index 3ed3cbd22..ee3870f32 100644
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--- a/runtime/linux/runtime_context.h
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+++ b/runtime/linux/runtime_context.h
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@@ -49,13 +49,18 @@ static bool _stp_runtime_context_trylock(void)
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{
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bool locked;
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+ /* Need to disable preemption because of the smp_processor_id() call
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+ in _stp_runtime_get_context(). */
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+ preempt_disable();
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+
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/* fast path to ignore new online CPUs without percpu context memory
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* allocations. this also serves as an extra safe guard for NULL context
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* pointers. */
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- if (unlikely(_stp_runtime_get_context() == NULL))
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+ if (unlikely(_stp_runtime_get_context() == NULL)) {
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+ preempt_enable_no_resched();
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return false;
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+ }
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- preempt_disable();
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locked = atomic_add_unless(&_stp_contexts_busy_ctr, 1, INT_MAX);
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if (!locked)
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preempt_enable_no_resched();
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@ -0,0 +1,72 @@
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commit 8f3498781413a710dc9e128f5a96891a6a18fc52
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Author: Martin Cermak <mcermak@redhat.com>
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Date: Wed Dec 14 17:37:58 2022 +0100
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PR29766: kernel.function("__set_page_dirty_buffers") not found in vfs.stp
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Updates needed for 6.1.0-65.fc38 compatibility.
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diff --git a/tapset/linux/vfs.stp b/tapset/linux/vfs.stp
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index e3c1a3032..aebeb3fc0 100644
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--- a/tapset/linux/vfs.stp
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+++ b/tapset/linux/vfs.stp
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@@ -822,13 +822,15 @@ probe vfs.buffer_migrate_page.return =
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}
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/* default if aop not set, __set_page_dirty_nobuffers usually used if set */
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-probe vfs.__set_page_dirty_buffers = kernel.function("__set_page_dirty_buffers")
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+/* block_dirty_folio related to kernel commit e621900ad28b748e058b81d6078 */
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+probe vfs.__set_page_dirty_buffers = kernel.function("__set_page_dirty_buffers")!,
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+ kernel.function("block_dirty_folio")
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{
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- dev = __page_dev($page)
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- devname = __find_bdevname(dev, __page_bdev($page))
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- ino = __page_ino($page)
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+ dev = __page_dev(@choose_defined($page, $folio))
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+ devname = __find_bdevname(dev, __page_bdev(@choose_defined($page, $folio)))
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+ ino = __page_ino(@choose_defined($page, $folio))
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- index = __page_index($page)
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+ index = __page_index(@choose_defined($page, $folio))
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name = "__set_page_dirty_buffers"
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argstr = sprintf("%d", index)
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@@ -837,7 +839,8 @@ probe vfs.__set_page_dirty_buffers = kernel.function("__set_page_dirty_buffers")
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units = "pages"
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}
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probe vfs.__set_page_dirty_buffers.return =
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- kernel.function("__set_page_dirty_buffers").return
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+ kernel.function("__set_page_dirty_buffers").return!,
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+ kernel.function("block_dirty_folio")
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{
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name = "__set_page_dirty_buffers"
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retstr = sprintf("%d", $return)
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@@ -914,8 +917,9 @@ probe __vfs.ext4_mpage_readpages.return =
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/* newer style */
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+/* add_to_page_cache_locked removed per kernel commit f00654007fe1c15 */
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probe vfs.__add_to_page_cache =
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- kernel.function("add_to_page_cache_locked"),
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+ kernel.function("add_to_page_cache_locked") !,
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kernel.function("add_to_page_cache_lru")
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{ }
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@@ -939,7 +943,7 @@ probe vfs.add_to_page_cache =
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/* newer style */
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probe vfs.__add_to_page_cache.return =
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- kernel.function("add_to_page_cache_locked").return,
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+ kernel.function("add_to_page_cache_locked").return !,
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kernel.function("add_to_page_cache_lru").return
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{ }
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@@ -958,7 +962,7 @@ probe vfs.add_to_page_cache.return =
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probe vfs.remove_from_page_cache =
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kernel.function("__delete_from_page_cache") !,
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- kernel.function("__remove_from_page_cache")
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+ kernel.function("__remove_from_page_cache") ?
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{
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dev = __page_dev($page)
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devname = __find_bdevname(dev, __page_bdev($page))
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|
@ -122,7 +122,7 @@ m stapdev stapdev
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Name: systemtap
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Version: 4.8
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Release: 1%{?release_override}%{?dist}
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Release: 2%{?release_override}%{?dist}
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# for version, see also configure.ac
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|
@ -158,6 +158,14 @@ License: GPLv2+
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URL: http://sourceware.org/systemtap/
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Source: ftp://sourceware.org/pub/systemtap/releases/systemtap-%{version}.tar.gz
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Patch1: rhbz1997192.patch
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Patch2: rhbz2145242.patch
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Patch3: rhbz2149223.patch
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Patch4: rhbz2149666.patch
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Patch5: rhbz2154430.patch
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# Build*
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BuildRequires: make
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BuildRequires: gcc-c++
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|
@ -575,6 +583,12 @@ systemtap-runtime-virthost machine to execute systemtap scripts.
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%prep
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%setup -q
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%patch1 -p1
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%patch2 -p1
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%patch3 -p1
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%patch4 -p1
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%patch5 -p1
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%build
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# Enable/disable the dyninst pure-userspace backend
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@ -1284,6 +1298,13 @@ exit 0
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# PRERELEASE
|
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%changelog
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* Fri Dec 23 2022 Frank Ch. Eigler <fche@redhat.com> - 4.8-2
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- rhbz2156092 = rhbz1997192
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- rhbz2145241 = rhbz2145242
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- rhbz2156093 = rhbz2149223
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- rhbz2156095 = rhbz2149666
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- rhbz2156094 = rhbz2154430
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* Thu Nov 03 2022 Frank Ch. Eigler <fche@redhat.com> - 4.8-1
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- Upstream release.
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||||
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||||
|
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