Feedback-ID: i1d2440d7:Fastmail
Date: Sun, 5 Apr 2026 22:40:51 +0200
From: "Peter P." <peterparker@fastmail.com>
To: notmuch@notmuchmail.org
Subject: Notmuch new: Aborted/Segfault
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Hi list,

(please CC me in your replies, as I am not subscribed to this list)

I am getting errors and "Aborted" messages upon running
	notmuch new
on a working installation since a few days. The error is
	double free or corruption (out)
	Aborted
or with --verbose it's a simple
	Segmentation fault

Here is the backtrace:

(gdb) double free or corruption (out)
Program received signal SIGABRT, Aborted.
0x00007ffff7b8195c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0  0x00007ffff7b8195c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff7b2ccc2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff7b154ac in abort () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff7b16291 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff7b8b465 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007ffff7b8d560 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007ffff7b90400 in free () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007ffff776f775 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_mutate(unsigned long, unsigned long, char const*, unsigned long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
#8  0x00007ffff79c3914 in ?? () from /lib/x86_64-linux-gnu/libxapian.so.30
#9  0x00007ffff79c52cd in ?? () from /lib/x86_64-linux-gnu/libxapian.so.30
#10 0x00007ffff79bbec0 in ?? () from /lib/x86_64-linux-gnu/libxapian.so.30
#11 0x00007ffff79b0826 in ?? () from /lib/x86_64-linux-gnu/libxapian.so.30
#12 0x00007ffff7916c69 in Xapian::Database::allterms_begin(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const () from
/lib/x86_64-linux-gnu/libxapian.so.30
#13 0x00007ffff7f6ace1 in ?? () from /lib/x86_64-linux-gnu/libnotmuch.so.5
#14 0x00007ffff7f6af97 in notmuch_directory_get_child_files () from /lib/x86_64-linux-gnu/libnotmuch.so.5
#15 0x0000555555564baf in ?? ()
#16 0x0000555555564d31 in ?? ()
#17 0x0000555555564d31 in ?? ()
#18 0x0000555555565f00 in ?? ()
#19 0x000055555555ecfe in ?? ()
#20 0x00007ffff7b16ca8 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x00007ffff7b16d65 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x000055555555ef71 in ?? ()

I have tried re-creating the entire database but without success. What
could I try next? This is notmuch 0.39 on a Debian stable system.

Thanks!
Peter
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