| Summary: | silent crash while searching for scanners | ||
|---|---|---|---|
| Product: | [Applications] Skanlite | Reporter: | elypter <elypter> |
| Component: | general | Assignee: | Kåre Särs <kare.sars> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | a.stippich, amantia, elypter, javier, svs1957 |
| Priority: | NOR | ||
| Version First Reported In: | 21.08.3 | ||
| Target Milestone: | --- | ||
| Platform: | Arch Linux | ||
| OS: | Linux | ||
| Latest Commit: | https://invent.kde.org/libraries/ksanecore/-/commit/ee34096fefa78887d102fa65f2492aa4cb215f37 | Version Fixed/Implemented In: | |
| Sentry Crash Report: | |||
|
Description
elypter
2021-11-05 00:50:38 UTC
Is this still an issue with Skanlite 21.12.1? (In reply to Alexander Stippich from comment #1) > Is this still an issue with Skanlite 21.12.1? i still get the same error. translated: memory access error(memory dump written) Try to remove .config/skanliterc it doesnt exist. search also doesnt find any skanliterc I am experiencing the same issue. Skanlite 22.08.3 crashes on startup (I don't get to see detecting scanners). If I delete ~/.local/share/skanlite/skanlitestaterc, it doesn't crash. Then I close it, run Skanlite again, and it crashes. Skanpage exhibits the same behaviour XSane works fine. openSUSE Tumbleweed 20221115 KDE Plasma 5.26.3 KDE Frameworks 5.100.0 Qt 5.15.7 Kernel 6.0.8-1-default (64 bits) X11 Hint: You are currently not seeing messages from other users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
PID: 4817 (skanlite)
UID: 1000 (javier)
GID: 100 (users)
Signal: 11 (SEGV)
Timestamp: Sat 2022-11-19 11:30:02 CET (6min ago)
Command Line: /usr/bin/skanlite
Executable: /usr/bin/skanlite
Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-org.kde.skanlite-bd7a4920c5c34b23aa1f7b2fdb4eb6dd.scope
Unit: user@1000.service
User Unit: app-org.kde.skanlite-bd7a4920c5c34b23aa1f7b2fdb4eb6dd.scope
Slice: user-1000.slice
Owner UID: 1000 (javier)
Boot ID: e12069056170424aadcf007204d95306
Machine ID: a0848146a8854c519ce698d28901e824
Hostname: akoya.suse
Storage: /var/lib/systemd/coredump/core.skanlite.1000.e12069056170424aadcf007204d95306.4817.1668853802000000.zst (present)
Disk Size: 3.3M
Message: Process 4817 (skanlite) of user 1000 dumped core.
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Module libKF5GlobalAccel.so.5 with build-id f37e7992a9eb5cfbb32ed606ee21482481eaefcc
Module libm.so.6 with build-id 8df60e2bdcdd169102fa26c4da78bfb70c713a0b
Module libKSaneCore.so.1 with build-id 833335d095c7319f950b977840f004a7c77e7df9
Module libKF5TextWidgets.so.5 with build-id 509b26be1e6248e5d2ca5aa44dfc474d7c398e97
Module libKF5Wallet.so.5 with build-id f3ecd947ff90c5c0099a54dbefc91c08695acba9
Module libc.so.6 with build-id 3f7f40d4302fa8a9568a057065c023bf137fceb7
Module libstdc++.so.6 with build-id 19ac4e5a0001650351ce7d7f2f13d0c8d5206906
Module libQt5Core.so.5 with build-id cd655b8a297c58ac2e6442f33212c4f4e79b44c5
Module libQt5Gui.so.5 with build-id 608294fc17d1879316026b2260aaf903b18427ea
Module libQt5Widgets.so.5 with build-id b10a5ec21411bfd047bd6b0700b0c9d9b29ddbf9
Module libKF5WidgetsAddons.so.5 with build-id f937305b78c58afbf68b0c19afdc37b44629da31
Module libQt5DBus.so.5 with build-id 0e9e328ac025ee41bded829ce02c30e4ca14a239
Module libKF5ConfigCore.so.5 with build-id 14da5e5b58cdbfa5ac375aee33213ffa710e2b42
Module libKF5I18n.so.5 with build-id c718b7b273fbcf1f4ac258fd4ccede84bdde65e9
Module libKF5CoreAddons.so.5 with build-id ea95e5c6ac6fb90dee2fcd06ce697a04acfbad44
Module libKF5JobWidgets.so.5 with build-id 35a11a630205efa2d5ef7bfee0292558a42cbb99
Module libKF5KIOCore.so.5 with build-id 57f1eb790ec189ee640127f0c5aa7ca4b591050e
Module libKF5ConfigWidgets.so.5 with build-id ed2eb950fc70e1380201bf99089d60a0d482fd17
Module libKF5KIOWidgets.so.5 with build-id de375e4bb6786a5a84e6a697a415744c12c090d0
Module libKF5XmlGui.so.5 with build-id fb4625b7374239a039a04d5662bbc2783c6e95e1
Module libKF5Sane.so.5 with build-id c0657a6c3b59fb74b7043bb3a687a78e63d4c3c4
Module skanlite with build-id aa4d01555366a6703cbb7e9c2981b880afdf1e90
Stack trace of thread 4817:
#0 0x00007fd511e957ec __pthread_kill_implementation (libc.so.6 + 0x907ec)
#1 0x00007fd511e42816 raise (libc.so.6 + 0x3d816)
#2 0x00007fd512246dae _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x7dae)
#3 0x00007fd511e428e0 __restore_rt (libc.so.6 + 0x3d8e0)
#4 0x00007fd511f6ccfd __strlen_avx2 (libc.so.6 + 0x167cfd)
#5 0x00007fd4ff2a43fa n/a (libsane-net.so.1 + 0x83fa)
#6 0x00007fd4ff2a729d sane_net_control_option (libsane-net.so.1 + 0xb29d)
#7 0x00007fd513a716d8 _ZN9KSaneCore16InterfacePrivate17loadDeviceOptionsEv (libKSaneCore.so.1 + 0x1a6d8)
#8 0x00007fd51428368f _ZN10KSaneIface11KSaneWidget10openDeviceERK7QString (libKF5Sane.so.5 + 0x2b68f)
#9 0x0000563439dbe55b main (skanlite + 0x1155b)
#10 0x00007fd511e2c5b0 __libc_start_call_main (libc.so.6 + 0x275b0)
#11 0x00007fd511e2c679 __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x27679)
#12 0x0000563439dbf655 _start (skanlite + 0x12655)
Stack trace of thread 4824:
#0 0x00007fd511f0bb7f __poll (libc.so.6 + 0x106b7f)
#1 0x00007fd4ff3e58fa n/a (libavahi-common.so.3 + 0x48fa)
#2 0x00007fd4ff3e8371 avahi_simple_poll_run (libavahi-common.so.3 + 0x7371)
#3 0x00007fd4ff3e8548 avahi_simple_poll_iterate (libavahi-common.so.3 + 0x7548)
#4 0x00007fd4ff3e875d avahi_simple_poll_loop (libavahi-common.so.3 + 0x775d)
#5 0x00007fd4ff3e87d7 n/a (libavahi-common.so.3 + 0x77d7)
#6 0x00007fd511e9398d start_thread (libc.so.6 + 0x8e98d)
#7 0x00007fd511f1a380 __clone3 (libc.so.6 + 0x115380)
Stack trace of thread 4826:
#0 0x00007fd511f0bb7f __poll (libc.so.6 + 0x106b7f)
#1 0x00007fd512246108 n/a (libKF5Crash.so.5 + 0x7108)
#2 0x00007fd512246d48 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x7d48)
#3 0x00007fd511e428e0 __restore_rt (libc.so.6 + 0x3d8e0)
#4 0x00007fd4ff2a5ff9 sane_net_get_devices (libsane-net.so.1 + 0x9ff9)
#5 0x00007fd510f548e0 sane_dll_get_devices (libsane.so.1 + 0x98e0)
#6 0x00007fd513a68473 _ZN9KSaneCore21FindSaneDevicesThread3runEv (libKSaneCore.so.1 + 0x11473)
#7 0x00007fd5124f5e3d _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5e3d)
#8 0x00007fd511e9398d start_thread (libc.so.6 + 0x8e98d)
#9 0x00007fd511f1a380 __clone3 (libc.so.6 + 0x115380)
Stack trace of thread 4820:
#0 0x00007fd511f0bb7f __poll (libc.so.6 + 0x106b7f)
#1 0x00007fd510d568ea n/a (libxcb.so.1 + 0xe8ea)
#2 0x00007fd510d581cc xcb_wait_for_event (libxcb.so.1 + 0x101cc)
#3 0x00007fd50dd19130 _ZN14QXcbEventQueue3runEv (libQt5XcbQpa.so.5 + 0x6b130)
#4 0x00007fd5124f5e3d _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5e3d)
#5 0x00007fd511e9398d start_thread (libc.so.6 + 0x8e98d)
#6 0x00007fd511f1a380 __clone3 (libc.so.6 + 0x115380)
Stack trace of thread 4819:
#0 0x00007fd511f0bb7f __poll (libc.so.6 + 0x106b7f)
#1 0x00007fd51126adbe n/a (libglib-2.0.so.0 + 0x58dbe)
#2 0x00007fd51126aedc g_main_context_iteration (libglib-2.0.so.0 + 0x58edc)
#3 0x00007fd512733b56 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x333b56)
#4 0x00007fd5126dab9b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2dab9b)
#5 0x00007fd5124f4c47 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf4c47)
#6 0x00007fd513c5f277 n/a (libQt5DBus.so.5 + 0x1a277)
#7 0x00007fd5124f5e3d _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5e3d)
#8 0x00007fd511e9398d start_thread (libc.so.6 + 0x8e98d)
#9 0x00007fd511f1a380 __clone3 (libc.so.6 + 0x115380)
ELF object binary architecture: AMD x86-64
Oops, sorry for the long comment. Scanner: Brother DCP-7060D (net) Confirmed with a canon scanner connected over the network. Passing "-d net" explicitly makes skanlite to not crash. (skanpage still crashes though with that option). skanlite 24.05.0, libsane 1.3.1. Thread 10 "KSaneCore::Find" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffc0fff700 (LWP 24953)] 0x00007fffef615631 in sane_net_get_devices (device_list=0x7fffc0ffe930, local_only=<optimized out>) at net.c:1302 1302 for (num_devs = 0; reply.device_list[num_devs]; ++num_devs); (gdb) bt #0 0x00007fffef615631 in sane_net_get_devices (device_list=0x7fffc0ffe930, local_only=<optimized out>) at net.c:1302 #1 0x00007ffff44c95da in sane_dll_get_devices (device_list=0x7fffc0ffe990, local_only=0) at dll.c:1098 #2 0x00007ffff518c833 in KSaneCore::FindSaneDevicesThread::run (this=0x5555557146d0) at /usr/src/debug/ksanecore-24.05.0-kf.50.1.x86_64/src/finddevicesthread.cpp:80 #3 0x00007ffff624e7f9 in ?? () from /usr/lib64/libQt6Core.so.6 #4 0x00007ffff5d036ea in start_thread () from /lib64/libpthread.so.0 #5 0x00007ffff5c1a58f in clone () from /lib64/libc.so.6 As the bt is the same for skanlite and skanpage, it looks the problem is in KSaneCore. A possibly relevant merge request was started @ https://invent.kde.org/libraries/ksanecore/-/merge_requests/20 Git commit ee34096fefa78887d102fa65f2492aa4cb215f37 by Andras Mantia, on behalf of Andras Mantia. Committed on 30/05/2024 at 12:25. Pushed by amantia into branch 'master'. Don't crash scanner apps (skanlite, skanpage) when searching for scanners This is triggered eg. with network scanners where scanning takes longer time. As comment says: this defeats the idea of using a scanner thread, but the proper fix would be more elaborate (ie. do the rest of initialization only when the thread is finished). Still makes sense to have this hotfix, especially as this is an old bug... Related: bug 468053 M +7 -0 src/interface_p.cpp https://invent.kde.org/libraries/ksanecore/-/commit/ee34096fefa78887d102fa65f2492aa4cb215f37 |