GNU bug report logs - #59821
9.1: du Aborted (corrupt filesystem)

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From: Luke Dashjr <luke <at> dashjr.org>
To: 59821 <at> debbugs.gnu.org
Subject: bug#59821: 9.1: du Aborted (corrupt filesystem)
Date: Sun, 4 Dec 2022 18:07:33 +0000

Version: sys-apps/coreutils-9.1-r1 (Gentoo)

Context: Linux has a long-standing bug which leads to ext4 RAM dishs (zram 
specifically) getting corrupted randomly. This manifests as various 
newfstatat calls returning -1 errno=EUCLEAN (Structure needs cleaning).

The `du` tool, when it encounters them, prints an error as expected, but later 
on aborts at:
#4  0x00007ffff7d4d3dc in __GI_abort () at abort.c:79
#5  0x000000010000ba08 in leave_dir (fts=fts <at> entry=0x100042680, 
ent=ent <at> entry=0x100071630)
    at lib/fts-cycle.c:136
#6  0x000000010000bd00 in fts_build (sp=sp <at> entry=0x100042680, 
type=type <at> entry=3) at lib/fts.c:1326
#7  0x000000010000ce7c in rpl_fts_read (sp=0x100042680) at lib/fts.c:925
#8  0x0000000100004864 in du_files (files=<optimized out>, 
bit_flags=<optimized out>) at src/du.c:691
#9  0x0000000100005cfc in main (argc=<optimized out>, argv=<optimized out>) at 
src/du.c:1123

(I am not certain if the fstatat return value is related to the later abort, 
because I couldn't find a way to get gdb to break only when fstatat returns 
nonzero)

Luke

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