[konsole] [Bug 461478] New: Crash when entering RTL text ended with an RLM.

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=461478

            Bug ID: 461478
           Summary: Crash when entering RTL text ended with an RLM.
    Classification: Applications
           Product: konsole
           Version: master
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: ninjalj at gmail.com
  Target Milestone: ---

SUMMARY

konsole with BiDi enabled crashes when pasting the following word taken from
bug #450219 :

שלום.‏

that has a RLM at the end:

$ printf 'שלום.‏' | iconv -f utf-8 -t utf16le | od -tx2
0000000 05e9 05dc 05d5 05dd 002e 200f
0000014

ADDITIONAL INFORMATION


Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fa8931439dc in Konsole::TerminalPainter::drawBelowText
(this=this at entry=0x5591e7e0c5a0, painter=..., rect=...,
style=style at entry=0x5591e8195d90, startX=startX at entry=0, 
    width=width at entry=1, fontWidth=8, colorTable=0x5591e7f3371c,
invertedRendition=false, vis2line=0x7ffec559e6b0, line2log=0x7ffec559d6b0,
bidiEnabled=true, background=...)
    at /home/lj/src/term/konsole/src/terminalDisplay/TerminalPainter.cpp:706
706                 if (style[x].rendition.f.selected && invertedRendition) {


(gdb) p x
$1 = 16712130
(gdb) p/x x
$2 = 0xff01c2
(gdb) p i
$3 = 0
(gdb) p startX
$4 = 0
(gdb) p bidiEnabled
$5 = true
(gdb) x/1024xd vis2line
0x7ffec559e6b0: 5       4       3       2
0x7ffec559e6c0: 1       6       7       8
0x7ffec559e6d0: 9       10      11      12
0x7ffec559e6e0: 13      14      15      16
0x7ffec559e6f0: 17      18      19      20
0x7ffec559e700: 21      22      23      24
0x7ffec559e710: 25      26      27      28
0x7ffec559e720: 29      30      31      32
0x7ffec559e730: 33      34      35      36
0x7ffec559e740: 37      38      39      40
0x7ffec559e750: 41      42      43      44
0x7ffec559e760: 45      46      47      48
0x7ffec559e770: 49      50      51      52
0x7ffec559e780: 53      54      55      56
0x7ffec559e790: 57      58      59      60
0x7ffec559e7a0: 61      62      63      64
0x7ffec559e7b0: 65      66      67      68
0x7ffec559e7c0: 69      70      71      72
0x7ffec559e7d0: 73      74      75      76
0x7ffec559e7e0: 77      78      79      80
0x7ffec559e7f0: 81      82      83      84
0x7ffec559e800: 85      86      87      88
0x7ffec559e810: 89      90      91      92
0x7ffec559e820: 93      94      95      96
0x7ffec559e830: 97      98      99      100
0x7ffec559e840: 101     102     103     104
0x7ffec559e850: 105     106     107     108
0x7ffec559e860: 109     110     -406961920      21905
0x7ffec559e870: -1868842496     0       1       0
0x7ffec559e880: -406961968      21905   28357120        905982809
0x7ffec559e890: 1       -1720404812     -272    -1
0x7ffec559e8a0: 11      0       -406961920      21905
0x7ffec559e8b0: -1862329504     32680   1       0
0x7ffec559e8c0: -406961968      21905   -1877029758     32680
0x7ffec559e8d0: -406961920      21905   -405334992      21905
0x7ffec559e8e0: -406961920      21905   1       0
0x7ffec559e8f0: -406961968      21905   -1862297769     32680
0x7ffec559e900: 1       -57826  -406961944      21905
0x7ffec559e910: -403519632      21905   -983963312      32766
0x7ffec559e920: -403519520      21905   28357120        905982809
0x7ffec559e930: -410690400      21905   -272    -1
0x7ffec559e940: 11      0       -983963224      32766
0x7ffec559e950: -403519520      21905   -403519520      21905
0x7ffec559e960: -983962400      32766   -1877029758     32680
0x7ffec559e970: -403519520      21905   -1862295728     32680
0x7ffec559e980: -403519520      21905   -403519632      21905
--Type <RET> for more, q to quit, c to continue without paging--q
Quit
(gdb) x/120xd line2log
0x7ffec559d6b0: 0       1       2       3
0x7ffec559d6c0: 4       16712130        5       6
0x7ffec559d6d0: 7       8       9       10
0x7ffec559d6e0: 11      12      13      14
0x7ffec559d6f0: 15      16      17      18
0x7ffec559d700: 19      20      21      22
0x7ffec559d710: 23      24      25      26
0x7ffec559d720: 27      28      29      30
0x7ffec559d730: 31      32      33      34
0x7ffec559d740: 35      36      37      38
0x7ffec559d750: 39      40      41      42
0x7ffec559d760: 43      44      45      46
0x7ffec559d770: 47      48      49      50
0x7ffec559d780: 51      52      53      54
0x7ffec559d790: 55      56      57      58
0x7ffec559d7a0: 59      60      61      62
0x7ffec559d7b0: 63      64      65      66
0x7ffec559d7c0: 67      68      69      70
0x7ffec559d7d0: 71      72      73      74
0x7ffec559d7e0: 75      76      77      78
0x7ffec559d7f0: 79      80      81      82
0x7ffec559d800: 83      84      85      86
0x7ffec559d810: 87      88      89      90
0x7ffec559d820: 91      92      93      94
0x7ffec559d830: 95      96      97      98
0x7ffec559d840: 99      100     101     102
0x7ffec559d850: 103     104     105     106
0x7ffec559d860: 107     108     109     0
0x7ffec559d870: -1860788480     32680   -1860792992     32680
0x7ffec559d880: -1862745440     32680   -1862745152     32680

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