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5.9 core dumps under zleentry->zleread->zlecore

Hi,
I've reported some core dumps in 5.8.1 earlier (never had any in 5.8; see previous thread). Now upgraded to 5.9, and similar behavior, after some idle periods of some days, returned to terminal and at first use, it crashed. Happened to two terminals, different but similar traces (see below). Not sure about any console output as terminal window closed before I could notice.
Not subscribed to list (to high volume), please include me in direct mail for any follow ups (I hope this reaches the list anyway; I haven't found any ticket system so I guess this is appropriate way to report bugs?). 

Regards
Johan

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           PID: 1097282 (zsh)
           UID: 1000 (johan)
           GID: 1001 (johan)
        Signal: 6 (ABRT)
     Timestamp: Thu 2022-06-02 08:27:39 CEST (1min 12s ago)
  Command Line: /usr/bin/zsh
    Executable: /usr/bin/zsh
 Control Group: /user.slice/user-1000.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1000.slice
       Session: 1
     Owner UID: 1000 (johan)
       Boot ID: a033b8f5156d4e4289dcaefa16f0df16
    Machine ID: 321bfe907bef49b9a7b0d61fc2ee69c7
      Hostname: johan-amd
       Storage: /var/lib/systemd/coredump/core.zsh.1000.a033b8f5156d4e4289dcaefa16f0df16.1097282.1654151259000000.zst (present) 
     Disk Size: 411.2K
       Message: Process 1097282 (zsh) of user 1000 dumped core.
                Module linux-vdso.so.1 with build-id c4fab7a7ee86e62a6272cb22354ad5a06fbf1a5d                 Module computil.so with build-id 6ee1c6257c5fa3dfefd87799a2abdf8a409c39c5                 Module rlimits.so with build-id 2c91e60448a33848c943bc0b9de03c3ca14ea6aa                 Module stat.so with build-id 0df82bdf6bd6c5fb828c9927cbef935803c6fd94                 Module parameter.so with build-id 2a9a5e258c97a703328f88809eb4cf7cd17193d0                 Module zutil.so with build-id 5f423a575063581ffb93c61a1242c56a1f2d9421                 Module complete.so with build-id f126a758351b630931cd6dfd1a23f26ac71b40d7                 Module zle.so with build-id c81f446d1ef258c04580ce73fcf46b00e4baf193                 Module ld-linux-x86-64.so.2 with build-id fc93487393eea02b5bc6e76e48976fc325294c24                 Module libc.so.6 with build-id 388993b6ef62f964bc7bf473c069fbfe957b9e44                 Module libm.so.6 with build-id 210ec9905e41825671210f8f7d0b24d6c371196a                 Module libncursesw.so.6 with build-id b9917757481e6fa6097e2a1f31f5bb5eaf138c4e                 Module libcap.so.2 with build-id 21b00ab76bb16fde56fd741f07233c78069f0579                 Module zsh with build-id 6cec2c2b43e208d3358bb897a2896a074d451cef 
                Stack trace of thread 1097282:
                #0  0x00007fb08ae6c36c n/a (libc.so.6 + 0x8e36c)
                #1  0x00007fb08ae1c838 raise (libc.so.6 + 0x3e838)
                #2  0x00007fb08ae06535 abort (libc.so.6 + 0x28535)
                #3  0x00007fb08ae6045e n/a (libc.so.6 + 0x8245e)
                #4  0x00007fb08ae760cc n/a (libc.so.6 + 0x980cc)
                #5  0x00007fb08ae76c0e n/a (libc.so.6 + 0x98c0e)
                #6  0x00007fb08ae76d85 n/a (libc.so.6 + 0x98d85)
                #7  0x00007fb08ae78e9f n/a (libc.so.6 + 0x9ae9f)
                #8  0x00007fb08ae7a47a malloc (libc.so.6 + 0x9c47a)
                #9  0x000055ff7ab040f8 zalloc (zsh + 0x730f8)
                #10 0x00007fb08a549417 calclist (complete.so + 0x1b417)
                #11 0x00007fb08a54b040 ilistmatches (complete.so + 0x1d040)
                #12 0x00007fb08a543eb1 list_matches (complete.so + 0x15eb1)
                #13 0x00007fb08a5821cf zrefresh (zle.so + 0x2c1cf)
                #14 0x00007fb08a5767e7 zlecore (zle.so + 0x207e7)
                #15 0x00007fb08a577514 zleread (zle.so + 0x21514)
                #16 0x000055ff7aaf7874 zleentry (zsh + 0x66874)
                #17 0x000055ff7aaf80f6 ingetc (zsh + 0x670f6)
                #18 0x000055ff7aaeafe4 n/a (zsh + 0x59fe4)
                #19 0x000055ff7ab05e5f n/a (zsh + 0x74e5f)
                #20 0x000055ff7ab28ad8 parse_event (zsh + 0x97ad8)
                #21 0x000055ff7aaf13d6 loop (zsh + 0x603d6)
                #22 0x000055ff7aaf9865 zsh_main (zsh + 0x68865)
                #23 0x000055ff7aaa80ee main (zsh + 0x170ee)
                #24 0x00007fb08ae07290 n/a (libc.so.6 + 0x29290)
                #25 0x00007fb08ae0734a __libc_start_main (libc.so.6 + 0x2934a) 
                #26 0x000055ff7aaa8115 _start (zsh + 0x17115)
                ELF object binary architecture: AMD x86-64


-----


           PID: 2195627 (zsh)
           UID: 1000 (johan)
           GID: 1001 (johan)
        Signal: 6 (ABRT)
     Timestamp: Thu 2022-06-02 07:37:08 CEST (55min ago)
  Command Line: /usr/bin/zsh
    Executable: /usr/bin/zsh
 Control Group: /user.slice/user-1000.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1000.slice
       Session: 1
     Owner UID: 1000 (johan)
       Boot ID: a033b8f5156d4e4289dcaefa16f0df16
    Machine ID: 321bfe907bef49b9a7b0d61fc2ee69c7
      Hostname: johan-amd
       Storage: /var/lib/systemd/coredump/core.zsh.1000.a033b8f5156d4e4289dcaefa16f0df16.2195627.1654148228000000.zst (present) 
     Disk Size: 449.7K
       Message: Process 2195627 (zsh) of user 1000 dumped core.
                Module linux-vdso.so.1 with build-id c4fab7a7ee86e62a6272cb22354ad5a06fbf1a5d                 Module computil.so with build-id 6ee1c6257c5fa3dfefd87799a2abdf8a409c39c5                 Module rlimits.so with build-id 2c91e60448a33848c943bc0b9de03c3ca14ea6aa                 Module stat.so with build-id 0df82bdf6bd6c5fb828c9927cbef935803c6fd94                 Module parameter.so with build-id 2a9a5e258c97a703328f88809eb4cf7cd17193d0                 Module zutil.so with build-id 5f423a575063581ffb93c61a1242c56a1f2d9421                 Module complete.so with build-id f126a758351b630931cd6dfd1a23f26ac71b40d7                 Module zle.so with build-id c81f446d1ef258c04580ce73fcf46b00e4baf193                 Module ld-linux-x86-64.so.2 with build-id fc93487393eea02b5bc6e76e48976fc325294c24                 Module libc.so.6 with build-id 388993b6ef62f964bc7bf473c069fbfe957b9e44                 Module libm.so.6 with build-id 210ec9905e41825671210f8f7d0b24d6c371196a                 Module libncursesw.so.6 with build-id b9917757481e6fa6097e2a1f31f5bb5eaf138c4e                 Module libcap.so.2 with build-id 21b00ab76bb16fde56fd741f07233c78069f0579                 Module zsh with build-id 6cec2c2b43e208d3358bb897a2896a074d451cef 
                Stack trace of thread 2195627:
                #0  0x00007f2f9358836c n/a (libc.so.6 + 0x8e36c)
                #1  0x00007f2f93538838 raise (libc.so.6 + 0x3e838)
                #2  0x00007f2f93522535 abort (libc.so.6 + 0x28535)
                #3  0x00007f2f9357c45e n/a (libc.so.6 + 0x8245e)
                #4  0x00007f2f935920cc n/a (libc.so.6 + 0x980cc)
                #5  0x00007f2f9359425c n/a (libc.so.6 + 0x9a25c)
                #6  0x00007f2f935968f3 free (libc.so.6 + 0x9c8f3)
                #7  0x00007f2f92ca0084 zrefresh (zle.so + 0x2e084)
                #8  0x00007f2f92c94d8e n/a (zle.so + 0x22d8e)
                #9  0x000055d4a9fc3874 zleentry (zsh + 0x66874)
                #10 0x000055d4aa005493 zhandler (zsh + 0xa8493)
                #11 0x00007f2f935388e0 n/a (libc.so.6 + 0x3e8e0)
                #12 0x00007f2f935fbef2 read (libc.so.6 + 0x101ef2)
                #13 0x00007f2f92c8c3dc getbyte (zle.so + 0x1a3dc)
                #14 0x00007f2f92c8ccb1 getkeymapcmd (zle.so + 0x1acb1)
                #15 0x00007f2f92c8f819 getkeycmd (zle.so + 0x1d819)
                #16 0x00007f2f92c9270d zlecore (zle.so + 0x2070d)
                #17 0x00007f2f92c93514 zleread (zle.so + 0x21514)
                #18 0x000055d4a9fc3874 zleentry (zsh + 0x66874)
                #19 0x000055d4a9fc40f6 ingetc (zsh + 0x670f6)
                #20 0x000055d4a9fb6fe4 n/a (zsh + 0x59fe4)
                #21 0x000055d4a9fd1e5f n/a (zsh + 0x74e5f)
                #22 0x000055d4a9ff4ad8 parse_event (zsh + 0x97ad8)
                #23 0x000055d4a9fbd3d6 loop (zsh + 0x603d6)
                #24 0x000055d4a9fc5865 zsh_main (zsh + 0x68865)
                #25 0x000055d4a9f740ee main (zsh + 0x170ee)
                #26 0x00007f2f93523290 n/a (libc.so.6 + 0x29290)
                #27 0x00007f2f9352334a __libc_start_main (libc.so.6 + 0x2934a) 
                #28 0x000055d4a9f74115 _start (zsh + 0x17115)
                ELF object binary architecture: AMD x86-64
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