Package: btrfs-tools
Version: 4.4-1
Severity: normal
Tags: sparc64
X-Debbugs-Cc: debian-sparc@lists.debian.org
Dear Maintainer,
/mnt is being mounted as btrfs:
mator@deb4g:/srv/1/linux-2.6$ findmnt /mnt
TARGET SOURCE FSTYPE OPTIONS
/mnt /dev/vdiskd1 btrfs rw,relatime,space_cache,subvolid=5,subvol=/
command "btrfs fi usage /mnt" run as unprivileged user works as expected,
but with elevated privileges, it crashes with BUS error:
mator@deb4g:/srv/1/linux-2.6$ sudo btrfs fi usage /mnt
Bus error
since I'm on unstable/sid, getting btrfs-progs from git and trying to reproduce:
mator@deb4g:/srv/1$ git clone https://github.com/kdave/btrfs-progs.git
mator@deb4g:/srv/1$ cd btrfs-progs && ./autogen.sh && CFLAGS="-g" ./configure
&& make -j
mator@deb4g:/srv/1/btrfs-progs$ ./btrfs --version
btrfs-progs v4.4
mator@deb4g:/srv/1/btrfs-progs$ ./btrfs fi usage /mnt
WARNING: cannot read detailed chunk info, RAID5/6 numbers will be incorrect,
run as root
Overall:
Device size: 3.00GiB
Device allocated:331.00MiB
Device unallocated:2.67GiB
Device missing:3.00GiB
Used:384.00KiB
Free (estimated): 2.68GiB (min: 1.34GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 16.00MiB (used: 0.00B)
mator@deb4g:/srv/1/btrfs-progs$ sudo ./btrfs fi usage /mnt
Bus error
mator@deb4g:/srv/1/btrfs-progs$ sudo -s
root@deb4g:/srv/1/btrfs-progs# ulimit -c unlimited
root@deb4g:/srv/1/btrfs-progs# ./btrfs fi usage /mnt
Bus error (core dumped)
root@deb4g:/srv/1/btrfs-progs# gdb -c core
Core was generated by `./btrfs fi usage /mnt'.
Program terminated with signal SIGUSR1, User defined signal 1.
#0 0x00174730 in ?? ()
(gdb) bt
#0 0x00174730 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)
(gdb) set args fi usage /mnt
(gdb) file ./btrfs
Load new symbol table from "./btrfs"? (y or n) y
Reading symbols from ./btrfs...done.
(gdb) run
Starting program: /srv/1/btrfs-progs/btrfs fi usage /mnt
BFD: /usr/lib/debug/.build-id/10/2220230fb152bed171674ffb66092972cf0276.debug:
unable to initialize decompress status for section .debug_aranges
BFD: /usr/lib/debug/.build-id/10/2220230fb152bed171674ffb66092972cf0276.debug:
unable to initialize decompress status for section .debug_aranges
warning: File
"/usr/lib/debug/.build-id/10/2220230fb152bed171674ffb66092972cf0276.debug" has
no build-id, file skipped
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/sparc64-linux-gnu/libthread_db.so.1".
BFD: /usr/lib/debug/.build-id/27/97a1230a6c622a2d0362aace029b5fda6c3474.debug:
unable to initialize decompress status for section .debug_aranges
BFD: /usr/lib/debug/.build-id/27/97a1230a6c622a2d0362aace029b5fda6c3474.debug:
unable to initialize decompress status for section .debug_aranges
warning: File
"/usr/lib/debug/.build-id/27/97a1230a6c622a2d0362aace029b5fda6c3474.debug" has
no build-id, file skipped
Program received signal SIGBUS, Bus error.
0x00174730 in load_chunk_info (fd=3, info_ptr=0x7fef0f0,
info_count=0x7fef0e4) at cmds-fi-usage.c:188
188 off += sh->len;
(gdb) bt
#0 0x00174730 in load_chunk_info (fd=3, info_ptr=0x7fef0f0,
info_count=0x7fef0e4) at cmds-fi-usage.c:188
#1 0x00175dac in load_chunk_and_device_info (fd=3,
chunkinfo=0x7fef0f0, chunkcount=0x7fef0e4, devinfo=0x7fef0e8,
devcount=0x7fef0e0) at cmds-fi-usage.c:577
#2 0x00177418 in cmd_filesystem_usage (argc=2, argv=0x7fef6f8) at
cmds-fi-usage.c:961
#3 0x0010996c in handle_command_group (grp=0x324560
, argc=2, argv=0x7fef6f8) at btrfs.c:135
#4 0x0011197c in cmd_filesystem (argc=3, argv=0x7fef6f0) at
cmds-filesystem.c:1294
#5 0x00109d54 in main (argc=3, argv=0x7fef6f0) at btrfs.c:243
(gdb)
-- System Information:
Debian Release: stretch/sid
APT prefers unreleased
APT policy: (500, 'unreleased'), (500, 'experimental'), (500, 'unstable')
Architecture: sparc64
Kernel: Linux 4.4.0-trunk-sparc64-smp (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages btrfs-tools depends on:
ii e2fslibs1.43~WIP-2015-05-18-1
ii libblkid1 2.27.1-3
ii libc6 2.21-7
ii libcomerr2 1.42.13-1
ii liblzo2-2 2.08-1.2
ii libuuid12.27.1-3
ii zlib1g 1:1.2.8.dfsg-2+b1
btrfs-tools recommends no packages.
btrfs-tools suggests no packages.
-- no debconf information
