[GUACAMOLE-388] Segfault upon disconnect in guac_vnc_user_leave_handler()

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 0.9.12-incubating
• Component/s: VNC
• Assignee: Unassigned
• Reporter: Ilya Shipitsin
• Created: 24/Sep/17 08:15
• Updated: 17/Nov/17 18:30
• Resolved: 17/Nov/17 18:30

Description

Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f17a32ccac2 in guac_vnc_user_leave_handler (user=0x2d34960) at user.c:115
115        guac_common_cursor_remove_user(vnc_client->display->cursor, user);
(gdb) bt
#0  0x00007f17a32ccac2 in guac_vnc_user_leave_handler (user=0x2d34960) at user.c:115
#1  0x0000000000404d50 in guacd_handle_user (user=user@entry=0x2d34960) at user.c:304
#2  0x0000000000404461 in guacd_user_thread (data=0x7f179c01b6f0) at proc.c:95
#3  0x00007f17a766f064 in start_thread (arg=0x7f179af18700) at pthread_create.c:309
#4  0x00007f17a685262d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) 

Issue Links

• duplicates: GUACAMOLE-424 VNC client segfaults if provided password is incorrect