Bug#1100470: grub2-common: Segfault messages when running update-grub

[Eric Valette]

On 14/03/2025 14:22, Felix Zielcke wrote:

> Just a side note: pcmemtest is dead upstream and its code has been
> integrated into memtest86+ v6.

OK. I had to sign it but replaced
> 

> Do you have systemd-coredump installed?

Yes.

> Or differently asked: Do you know where it dumped the core on your fs?

Fri 2025-03-14 09:35:17 CET  11677    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 09:35:17 CET  11713    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 09:35:17 CET  11741    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 09:56:47 CET   6937    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 09:56:47 CET   6973    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 09:56:47 CET   6996    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 14:35:13 CET  16603    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 14:35:13 CET  16641    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
Fri 2025-03-14 14:35:13 CET  16667    0    0 SIGSEGV present 
/usr/bin/grub-mount     >
~

coredumpctl info
            PID: 16667 (grub-mount)
            UID: 0 (root)
            GID: 0 (root)
         Signal: 11 (SEGV)
      Timestamp: Fri 2025-03-14 14:35:13 CET (6min ago)
   Command Line: grub-mount /dev/nvme0n1p4 /var/lib/os-prober/mount
     Executable: /usr/bin/grub-mount
  Control Group: /user.slice/user-0.slice/session-c1.scope
           Unit: session-c1.scope
          Slice: user-0.slice
        Session: c1
      Owner UID: 0 (root)
        Boot ID: 335427dd6f084a9ba5c0ec760dbbff80
     Machine ID: 6e536334f47b42e8a8f103c900ad33a7
       Hostname: pink-floyd3
        Storage: 
/var/lib/systemd/coredump/core.grub-mount.0.335427dd6f084a9ba5c0ec760d>
   Size on Disk: 665K
        Message: Process 16667 (grub-mount) of user 0 dumped core.

                 Module libudev.so.1 from deb systemd-257.4-3.amd64
                 Stack trace of thread 16667:
                 #0  0x000055817ba01e34 n/a (/usr/bin/grub-mount + 0x29e34)
                 #1  0x000055817ba0223b n/a (/usr/bin/grub-mount + 0x2a23b)
                 #2  0x000055817ba02659 n/a (/usr/bin/grub-mount + 0x2a659)
                 #3  0x000055817ba03635 n/a (/usr/bin/grub-mount + 0x2b635)
                 #4  0x000055817ba494a0 n/a (/usr/bin/grub-mount + 0x714a0)
                 #5  0x000055817b9dea5f n/a (/usr/bin/grub-mount + 0x6a5f)
                 #6  0x00007f5fdd7e3ca8 __libc_start_call_main 
(libc.so.6 + 0x29ca8)
                 #7  0x00007f5fdd7e3d65 __libc_start_main_impl 
(libc.so.6 + 0x29d65)
                 #8  0x000055817b9decc1 n/a (/usr/bin/grub-mount + 0x6cc1)
                 ELF object binary architecture: AMD x86-64
lines 1-31/31 (END)

here as been a udev update also this morning but udev seems to be working.


-- 
Eric Valette