[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Aleix Pol changed: What|Removed |Added Latest Commit|https://invent.kde.org/plas |https://invent.kde.org/plas |ma/kwin/commit/242de4373706 |ma/kwin/commit/73b826a0725d |324696a9bfe48b1ac9e2f7e2caa |8e82a326f7ce63b247edb302618 |2 |b --- Comment #15 from Aleix Pol --- Git commit 73b826a0725d8e82a326f7ce63b247edb302618b by Aleix Pol Gonzalez, on behalf of Ash Blake. Committed on 26/09/2021 at 23:24. Pushed by apol into branch 'Plasma/5.23'. tablet: Check if client is supported before sending tool button (cherry picked from commit 242de4373706324696a9bfe48b1ac9e2f7e2caa2) M +3-0src/input.cpp https://invent.kde.org/plasma/kwin/commit/73b826a0725d8e82a326f7ce63b247edb302618b -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Ash Blake changed: What|Removed |Added Latest Commit||https://invent.kde.org/plas ||ma/kwin/commit/242de4373706 ||324696a9bfe48b1ac9e2f7e2caa ||2 Status|REPORTED|RESOLVED Resolution|--- |FIXED --- Comment #14 from Ash Blake --- Git commit 242de4373706324696a9bfe48b1ac9e2f7e2caa2 by Ash Blake. Committed on 26/09/2021 at 09:02. Pushed by apol into branch 'master'. tablet: Check if client is supported before sending tool button M +3-0src/input.cpp https://invent.kde.org/plasma/kwin/commit/242de4373706324696a9bfe48b1ac9e2f7e2caa2 -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #13 from Ash Blake --- This happened because there was no check if the resource is valid before calling sendButton. I created a merge request: https://invent.kde.org/plasma/kwin/-/merge_requests/1461 -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #12 from Ash Blake --- I attached GDB to KWin and checked where the null pointer came from in TabletToolV2InterfacePrivate::targetResource(). m_surface was not null, but later resourceMap().value(*client) returned 0x0. -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #11 from Ash Blake --- I rebuilt libwayland with debug symbols. Resource was a null pointer: #0 wl_resource_post_event (resource=0x0, opcode=17) at ../wayland-1.19.0/src/wayland-server.c:248 -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Ash Blake changed: What|Removed |Added CC||telepath...@tutanota.com --- Comment #10 from Ash Blake --- Created attachment 141879 --> https://bugs.kde.org/attachment.cgi?id=141879=edit Backtrace from current git master I can reproduce this as well, with a Huion tablet. I don't know how to make GDB show line numbers for functions called via std::bind, so here's the disassembly of the part around frame #1: ... 0x7f0e976df57f <+95>:mov%ebp,%esi 0x7f0e976df581 <+97>:call 0x7f0e97625150 <_ZN14KWaylandServer21TabletToolV2Interface10sendButtonEjb@plt> => 0x7f0e976df586 <+102>: add$0x8,%rsp 0x7f0e976df58a <+106>: mov$0x1,%eax 0x7f0e976df58f <+111>: pop%rbx ... Looks like this happened in kwin/src/input.cpp:1862 -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #9 from Alexander --- Created attachment 141580 --> https://bugs.kde.org/attachment.cgi?id=141580=edit pen input recording I recorded the input events with "libinput record", with them it should be reproducible everywhere. two files one for each button -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #8 from Alexander --- Created attachment 139335 --> https://bugs.kde.org/attachment.cgi?id=139335=edit second bt -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Alexander changed: What|Removed |Added Attachment #139253|0 |1 is obsolete|| --- Comment #7 from Alexander --- Created attachment 139334 --> https://bugs.kde.org/attachment.cgi?id=139334=edit first bt one crash created two core dumps -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #6 from Vlad Zahorodnii --- you would need to run the following command in terminal gdb and then run "bt" in gdb -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #5 from Vlad Zahorodnii --- Can you please provide the backtrace in text form? I don't think that I'll be able to get the backtrace from the coredump file as I have a different machine. -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #4 from Alexander --- filename: kwin22.dump.tar.lzma -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Alexander changed: What|Removed |Added Status|NEEDSINFO |REPORTED Resolution|BACKTRACE |--- -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Alexander changed: What|Removed |Added Attachment #139071|0 |1 is obsolete|| --- Comment #3 from Alexander --- Created attachment 139253 --> https://bugs.kde.org/attachment.cgi?id=139253=edit fresh kwin 5.22 coredump -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 --- Comment #2 from Alexander --- Created attachment 139071 --> https://bugs.kde.org/attachment.cgi?id=139071=edit kwin_wayland coredump I didn't manage to crash the entire session. -- You are receiving this mail because: You are watching all bug changes.
[kwin] [Bug 438010] kwin crashes when clicking on MPV with a pen
https://bugs.kde.org/show_bug.cgi?id=438010 Vlad Zahorodnii changed: What|Removed |Added Resolution|--- |BACKTRACE Status|REPORTED|NEEDSINFO --- Comment #1 from Vlad Zahorodnii --- Can't reproduce the issue in git master. Can you please install debug symbols for kwin and check coredumps after making kwin crash? -- You are receiving this mail because: You are watching all bug changes.
