[Webkit-unassigned] [Bug 136073] New: [GStreamer] crash after attempt to unlock mutex that was not locked
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Aug 19 09:42:48 PDT 2014
https://bugs.webkit.org/show_bug.cgi?id=136073
Summary: [GStreamer] crash after attempt to unlock mutex that
was not locked
Product: WebKit
Version: 528+ (Nightly build)
Platform: PC
URL: http://www.vox.com/2014/8/19/6043409/a-local-public-de
fender-on-the-deeply-dysfunctional-ferguson-court
OS/Version: Linux
Status: NEW
Severity: Critical
Priority: P2
Component: Media Elements
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: mcatanzaro at gnome.org
CC: pnormand at igalia.com
Loading http://www.vox.com/2014/8/19/6043409/a-local-public-defender-on-the-deeply-dysfunctional-ferguson-court always causes my web process to crash, after printing this warning:
Attempt to unlock mutex that was not locked
Here's a stack trace from a release build; I can post one from a debug build if you think that'd be helpful.
#0 0x00007fa21c907c39 in __GI_raise (sig=sig at entry=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
resultvar = 0
pid = 5602
selftid = 5647
#1 0x00007fa21c909348 in __GI_abort () at abort.c:89
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0x57288,
sa_sigaction = 0x57288}, sa_mask = {__val = {140331614257200,
140331614268192, 140334287738662, 140333761429509, 0, 44,
140334240468288, 140331614257200, 140331614268192, 724000,
140334287765893, 44, 140334241384445, 140334244350464, 44, 0}},
sa_flags = 482920960, sa_restorer = 0x7fa21b5acdf0}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007fa21b528735 in g_mutex_unlock_slowpath (mutex=<optimized out>,
prev=<optimized out>) at gthread-posix.c:1321
No locals.
#3 0x00007fa21b5283ee in g_mutex_unlock (mutex=<optimized out>)
at gthread-posix.c:1344
prev = <optimized out>
#4 0x00007fa170b158bf in gst_hls_demux_change_playlist (
demux=demux at entry=0x7fa18004c030, max_bitrate=9343035)
at gsthlsdemux.c:1673
previous_variant = 0x7fa18004eb00
current_variant = 0x7fa18004eb20
old_bandwidth = 357000
new_bandwidth = 724000
__FUNCTION__ = "gst_hls_demux_change_playlist"
#5 0x00007fa170b198ad in gst_hls_demux_switch_playlist (demux=0x7fa18004c030)
at gsthlsdemux.c:1755
bitrate = 11678794
#6 gst_hls_demux_stream_loop (demux=0x7fa18004c030) at gsthlsdemux.c:1249
end_of_playlist = 0
err = 0x0
__FUNCTION__ = "gst_hls_demux_stream_loop"
#7 0x00007fa21825b346 in gst_task_func (task=0x80e710) at gsttask.c:317
lock = 0x7fa18004c210
tself = 0x7fa180049230
priv = 0x80e6c0
__PRETTY_FUNCTION__ = "gst_task_func"
#8 0x00007fa21b50c0cc in g_thread_pool_thread_proxy (data=<optimized out>)
at gthreadpool.c:307
task = 0x7fa178001fa0
pool = 0xc4e4b0
#9 0x00007fa21b50b745 in g_thread_proxy (data=0x7fa180049230) at gthread.c:764
thread = 0x7fa180049230
#10 0x00007fa21ac84f33 in start_thread (arg=0x7fa1a5ffb700)
at pthread_create.c:309
__res = <optimized out>
pd = 0x7fa1a5ffb700
now = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140332251461376,
-2793351388160340356, 0, 0, 140332251462080, 140332251461376,
2774021971184963196, 2772018513804643964},
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>
sp = <optimized out>
freesize = <optimized out>
#11 0x00007fa21c9c6ded in clone ()
at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
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