[Bug analyzer/112790] -Wanalyzer-deref-before-check false positives seen in Linux kernel due to inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112790 David Malcolm changed: What|Removed |Added Resolution|--- |FIXED Summary|[13 Regression] |-Wanalyzer-deref-before-che |-Wanalyzer-deref-before-che |ck false positives seen in |ck false positives seen in |Linux kernel due to |Linux kernel due to |inlining |inlining| Status|ASSIGNED|RESOLVED --- Comment #6 from David Malcolm --- Should be fixed for GCC 13 (for the upcoming GCC 13.3) by the above patch.
[Bug analyzer/112790] -Wanalyzer-deref-before-check false positives seen in Linux kernel due to inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112790 David Malcolm changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #4 from David Malcolm --- Should be fixed by the above patch on trunk. Keeping open as it still affects GCC 13.
[Bug analyzer/112790] -Wanalyzer-deref-before-check false positives seen in Linux kernel due to inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112790 --- Comment #3 from GCC Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:05c99b1c7965f46f0ff17d5e8f4020a62c643ae5 commit r14-6919-g05c99b1c7965f46f0ff17d5e8f4020a62c643ae5 Author: David Malcolm Date: Thu Jan 4 09:19:06 2024 -0500 analyzer: add sarif properties for checker events As another followup to r14-6057-g12b67d1e13b3cf, optionally add SARIF property bags to threadFlowLocation objects when writing out diagnostic paths, and add analyzer-specific properties to them. This was useful for debugging PR analyzer/112790. gcc/analyzer/ChangeLog: * checker-event.cc: Include "diagnostic-format-sarif.h" and "tree-logical-location.h". (checker_event::maybe_add_sarif_properties): New. (superedge_event::maybe_add_sarif_properties): New. (superedge_event::superedge_event): Add comment. * checker-event.h (checker_event::maybe_add_sarif_properties): New decl. (superedge_event::maybe_add_sarif_properties): New decl. gcc/ChangeLog: * diagnostic-format-sarif.cc (sarif_builder::make_logical_location_object): Convert to... (make_sarif_logical_location_object): ...this. (sarif_builder::set_any_logical_locs_arr): Update for above change. (sarif_builder::make_thread_flow_location_object): Call maybe_add_sarif_properties on each diagnostic_event. * diagnostic-format-sarif.h (class logical_location): New forward decl. (make_sarif_logical_location_object): New decl. * diagnostic-path.h (class sarif_object): New forward decl. (diagnostic_event::maybe_add_sarif_properties): New vfunc. Signed-off-by: David Malcolm
[Bug analyzer/112790] -Wanalyzer-deref-before-check false positives seen in Linux kernel due to inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112790 --- Comment #2 from GCC Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:5743e1899d596497800f7d6f4273d535ea0abcdd commit r14-6918-g5743e1899d596497800f7d6f4273d535ea0abcdd Author: David Malcolm Date: Thu Jan 4 09:15:18 2024 -0500 analyzer: fix deref-before-check false positives due to inlining [PR112790] gcc/analyzer/ChangeLog: PR analyzer/112790 * checker-event.cc (class inlining_info): Move to... * inlining-iterator.h (class inlining_info): ...here. * sm-malloc.cc: Include "analyzer/inlining-iterator.h". (maybe_complain_about_deref_before_check): Reject stmts that were inlined from another function. gcc/testsuite/ChangeLog: PR analyzer/112790 * c-c++-common/analyzer/deref-before-check-pr112790.c: New test. Signed-off-by: David Malcolm
[Bug analyzer/112790] -Wanalyzer-deref-before-check false positives seen in Linux kernel due to inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112790 David Malcolm changed: What|Removed |Added Last reconfirmed||2023-11-30 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from David Malcolm --- Also affects gcc 13.2: https://godbolt.org/z/3WTrzGTTc
