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[tor-bugs] #20237 [Applications/Tor Browser]: Hardened browser gets ASan failure after upgrading to Linux 4.7.4
#20237: Hardened browser gets ASan failure after upgrading to Linux 4.7.4
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Reporter: cypherpunks | Owner: tbb-team
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
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The hardened Tor browser 6.5a3 stopped working after I upgraded my Debian
system to kernel version "4.7.0-1-amd64 #1 SMP Debian 4.7.4-2 (2016-09-19)
x86_64 GNU/Linux" (from 4.6.4-1). I get the following:
{{{
==6701==Parsed ASAN_OPTIONS: detect_leaks=0:verbosity=999
==6701==AddressSanitizer: failed to intercept '__isoc99_printf'
==6701==AddressSanitizer: failed to intercept '__isoc99_sprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_snprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_fprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_vprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_vsprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_vsnprintf'
==6701==AddressSanitizer: failed to intercept '__isoc99_vfprintf'
==6701==AddressSanitizer: libc interceptors initialized
|| `[0x10007fff8000, 0x7fffffffffff]` || HighMem ||
|| `[0x02008fff7000, 0x10007fff7fff]` || HighShadow ||
|| `[0x00008fff7000, 0x02008fff6fff]` || ShadowGap ||
|| `[0x00007fff8000, 0x00008fff6fff]` || LowShadow ||
|| `[0x000000000000, 0x00007fff7fff]` || LowMem ||
MemToShadow(shadow): 0x00008fff7000 0x000091ff6dff 0x004091ff6e00
0x02008fff6fff
redzone=16
max_redzone=2048
quarantine_size=256M
malloc_context_size=30
SHADOW_SCALE: 3
SHADOW_GRANULARITY: 8
SHADOW_OFFSET: 7fff8000
==6701==ERROR: AddressSanitizer failed to allocate 0xdfff0001000
(15392894357504) bytes at address 2008fff7000 (errno: 12)
==6701==ReserveShadowMemoryRange failed while trying to map 0xdfff0001000
bytes. Perhaps you're using ulimit -v
}}}
I have "ulimit -v" set to unlimited, "ulimit -d" to 8G, "ulimit -s" to 8M,
"ulimit -m" to 1.5G. Browser 6.5a2-hardened fails the same way.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20237>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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