mirror of https://github.com/proxmox/mirror_qemu
![]() Spotted thanks to ASAN: ==25226==ERROR: AddressSanitizer: global-buffer-overflow on address 0x556715a1f120 at pc 0x556714b6f6b1 bp 0x7ffcdfac1360 sp 0x7ffcdfac1350 READ of size 1 at 0x556715a1f120 thread T0 #0 0x556714b6f6b0 in init_disasm /home/elmarco/src/qemu/disas/s390.c:219 #1 0x556714b6fa6a in print_insn_s390 /home/elmarco/src/qemu/disas/s390.c:294 #2 0x55671484d031 in monitor_disas /home/elmarco/src/qemu/disas.c:635 #3 0x556714862ec0 in memory_dump /home/elmarco/src/qemu/monitor.c:1324 #4 0x55671486342a in hmp_memory_dump /home/elmarco/src/qemu/monitor.c:1418 #5 0x5567148670be in handle_hmp_command /home/elmarco/src/qemu/monitor.c:3109 #6 0x5567148674ed in qmp_human_monitor_command /home/elmarco/src/qemu/monitor.c:613 #7 0x556714b00918 in qmp_marshal_human_monitor_command /home/elmarco/src/qemu/build/qmp-marshal.c:1704 #8 0x556715138a3e in do_qmp_dispatch /home/elmarco/src/qemu/qapi/qmp-dispatch.c:104 #9 0x556715138f83 in qmp_dispatch /home/elmarco/src/qemu/qapi/qmp-dispatch.c:131 #10 0x55671485cf88 in handle_qmp_command /home/elmarco/src/qemu/monitor.c:3839 #11 0x55671514e80b in json_message_process_token /home/elmarco/src/qemu/qobject/json-streamer.c:105 #12 0x5567151bf2dc in json_lexer_feed_char /home/elmarco/src/qemu/qobject/json-lexer.c:323 #13 0x5567151bf827 in json_lexer_feed /home/elmarco/src/qemu/qobject/json-lexer.c:373 #14 0x55671514ee62 in json_message_parser_feed /home/elmarco/src/qemu/qobject/json-streamer.c:124 #15 0x556714854b1f in monitor_qmp_read /home/elmarco/src/qemu/monitor.c:3881 #16 0x556715045440 in qemu_chr_be_write_impl /home/elmarco/src/qemu/chardev/char.c:172 #17 0x556715047184 in qemu_chr_be_write /home/elmarco/src/qemu/chardev/char.c:184 #18 0x55671505a8e6 in tcp_chr_read /home/elmarco/src/qemu/chardev/char-socket.c:440 #19 0x5567150943c3 in qio_channel_fd_source_dispatch /home/elmarco/src/qemu/io/channel-watch.c:84 #20 0x7fb90292b90b in g_main_dispatch ../glib/gmain.c:3182 #21 0x7fb90292c7ac in g_main_context_dispatch ../glib/gmain.c:3847 #22 0x556715162eca in glib_pollfds_poll /home/elmarco/src/qemu/util/main-loop.c:214 #23 0x556715163001 in os_host_main_loop_wait /home/elmarco/src/qemu/util/main-loop.c:261 #24 0x5567151631fa in main_loop_wait /home/elmarco/src/qemu/util/main-loop.c:515 #25 0x556714ad6d3b in main_loop /home/elmarco/src/qemu/vl.c:1950 #26 0x556714ade329 in main /home/elmarco/src/qemu/vl.c:4865 #27 0x7fb8fe5c9009 in __libc_start_main (/lib64/libc.so.6+0x21009) #28 0x5567147af4d9 in _start (/home/elmarco/src/qemu/build/s390x-softmmu/qemu-system-s390x+0xf674d9) 0x556715a1f120 is located 32 bytes to the left of global variable 'char_hci_type_info' defined in '/home/elmarco/src/qemu/hw/bt/hci-csr.c:493:23' (0x556715a1f140) of size 104 0x556715a1f120 is located 8 bytes to the right of global variable 's390_opcodes' defined in '/home/elmarco/src/qemu/disas/s390.c:860:33' (0x556715a15280) of size 40600 This fix is based on Andreas Arnez <arnez@linux.vnet.ibm.com> upstream commit: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=9ace48f3d7d80ce09c5df60cccb433470410b11b 2014-08-19 Andreas Arnez <arnez@linux.vnet.ibm.com> * s390-dis.c (init_disasm): Simplify initialization of opc_index[]. This also fixes an access after the last element of s390_opcodes[]. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180104160523.22995-19-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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.. | ||
libvixl | ||
Makefile.objs | ||
alpha.c | ||
arm-a64.cc | ||
arm.c | ||
cris.c | ||
hppa.c | ||
i386.c | ||
lm32.c | ||
m68k.c | ||
microblaze.c | ||
mips.c | ||
moxie.c | ||
nios2.c | ||
ppc.c | ||
s390.c | ||
sh4.c | ||
sparc.c | ||
tci.c | ||
xtensa.c |