Trace:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007fe70ae4e3b2 in cg_readdir (path=<optimized out>, buf=0x7fe690003610,
filler=0x7fe70b850ce0 <fill_dir>, offset=<optimized out>, fi=<optimized out>)
at bindings.c:1793
1793 bindings.c: No such file or directory.
[Current thread is 1 (Thread 0x7fe708850700 (LWP 3871))]
(gdb) bt full
#0 0x00007fe70ae4e3b2 in cg_readdir (path=<optimized out>, buf=0x7fe690003610,
filler=0x7fe70b850ce0 <fill_dir>, offset=<optimized out>, fi=<optimized out>)
at bindings.c:1793
d = 0x7fe690000940
list = 0x0
i = 0
ret = <optimized out>
nextcg = 0x0
fc = 0x7fe6500240d0
clist = 0x0
__func__ = "cg_readdir"
initpid = <optimized out>
#1 0x000055cfc579a411 in do_proc_readdir (fi=<optimized out>,
offset=<optimized out>, filler=<optimized out>, buf=<optimized out>,
path=<optimized out>)
at lxcfs.c:307
proc_readdir = <optimized out>
error = <optimized out>
#2 lxcfs_readdir (path=<optimized out>, buf=0x7fe690003610,
filler=0x7fe70b850ce0 <fill_dir>, offset=0, fi=0x7fe70884fc80) at lxcfs.c:504
No locals.
#3 0x00007fe70b856232 in fuse_fs_readdir (fs=0x55cfc69e2fd0,
path=0x7fe650024170
"/cgroup/name=systemd/lxc/juju-c5f7d5-1-lxd-1/user.slice/user-113.slice/session-463849.scope",
buf=0x7fe690003610,
filler=0x7fe70b850ce0 <fill_dir>, off=0, fi=0x7fe70884fc80) at fuse.c:2044
No locals.
#4 0x00007fe70b8563bc in readdir_fill (fi=0x7fe70884fc80, dh=0x7fe690003610,
off=0, size=4096, ino=3274299, req=0x7fe650024ad0, f=0x55cfc69e2aa0)
at fuse.c:3502
d = {id = 472446402651, cond = {__data = {__lock = 0, __futex = 0,
__total_seq = 0, __wakeup_seq = 532575944823, __woken_seq = 0,
__mutex = 0x5c0b63bf, __nwaiters = 918218053, __broadcast_seq =
0},
__size = '\000' <repeats 16 times>, "w\000\000\000|", '\000'
<repeats 11 times>, "\277c\v\\\000\000\000\000E\345\272\066\000\000\000",
__align = 0}, finished = 1544250303}
path = 0x7fe650024170
"/cgroup/name=systemd/lxc/juju-c5f7d5-1-lxd-1/user.slice/user-113.slice/session-463849.scope"
err = <optimized out>
#5 fuse_lib_readdir (req=0x7fe650024ad0, ino=3274299, size=4096, off=0,
llfi=<optimized out>) at fuse.c:3528
err = 0
f = 0x55cfc69e2aa0
fi = {flags = 0, fh_old = 140628235127104, writepage = 0, direct_io =
0, keep_cache = 0, flush = 0, nonseekable = 0, flock_release = 0, padding = 0,
fh = 140628235127104, lock_owner = 0}
dh = 0x7fe690003610
#6 0x00007fe70b85d0f6 in do_readdir (req=<optimized out>, nodeid=<optimized
out>, inarg=<optimized out>) at fuse_lowlevel.c:1390
arg = <optimized out>
fi = {flags = 0, fh_old = 140628235138576, writepage = 0, direct_io =
0, keep_cache = 0, flush = 0, nonseekable = 0, flock_release = 0, padding = 0,
fh = 140628235138576, lock_owner = 0}
#7 0x00007fe70b85e679 in fuse_ll_process_buf (data=0x55cfc69e3160,
buf=0x7fe70884ff00, ch=<optimized out>) at fuse_lowlevel.c:2442
f = 0x55cfc69e3160
bufv = {count = 1, idx = 0, off = 0, buf = {{size = 80, flags =
(unknown: 0), mem = 0x7fe67802a140, fd = 0, pos = 0}}}
tmpbuf = {count = 1, idx = 0, off = 0, buf = {{size = 80, flags =
(unknown: 0), mem = 0x0, fd = -1, pos = 0}}}
in = 0x7fe67802a140
inarg = <optimized out>
req = 0x7fe650024ad0
mbuf = 0x0
err = <optimized out>
res = <optimized out>
#8 0x00007fe70b85ae38 in fuse_do_work (data=0x7fe678000cc0) at
fuse_loop_mt.c:117
isforget = 0
ch = 0x55cfc69e2830
fbuf = {size = 80, flags = (unknown: 0), mem = 0x7fe67802a140, fd = 0,
pos = 0}
res = 80
w = 0x7fe678000cc0
mt = 0x7ffc52dfe8a0
#9 0x00007fe70b42f6ba in start_thread (arg=0x7fe708850700) at
pthread_create.c:333
__res = <optimized out>
pd = 0x7fe708850700
now = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140630257108736,
6637725569918286257, 0, 140628822314159, 8388608, 140626892952144,
-6641717406999660111,
-6641711342200047183}, mask_was_saved = 0}}, priv = {pad =
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
not_first_call = <optimized out>
pagesize_m1 = <optimized out>
---Type <return> to continue, or q <return> to quit---
sp = <optimized out>
freesize = <optimized out>
__PRETTY_FUNCTION__ = "start_thread"
#10 0x00007fe70b16541d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
(gdb)
** Changed in: lxcfs (Ubuntu)
Assignee: (unassigned) => Christian Brauner (cbrauner)
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https://bugs.launchpad.net/bugs/1807628
Title:
segfault at 0 ip 00007fe70ae4e3b2 sp 00007fe70884fb70 error 4 in
liblxcfs.so[7fe70ae46000+f000]
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