[Bug 1863486] Re: aarch64/tcg crash with malloc(): unsorted double linked list corrupted

[Peter Maydell]

Philippe, can you still repro this? I automated it with this expect
script:

#!/usr/bin/expect
set timeout 60
spawn /home/petmay01/linaro/qemu-from-laptop/qemu/build/x86/qemu-system-aarch64 
-M raspi3 -serial null -serial stdio -display none -device 
loader,file=/tmp/RPI_EFI.fd,force-raw=true
expect {
   "Synchronous Exception at 0x0000000037A1A4E8" { send_user "\nexiting\n" ; 
exit 0 }
   timeout { exit 1 }
   eof { exit 1 }
}

and then a shell loop "while rpi.expect; do true; done" and didn't see
an assertion either with current master or with the git commit you
quote.

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https://bugs.launchpad.net/bugs/1863486

Title:
  aarch64/tcg crash with malloc(): unsorted double linked list corrupted

Status in QEMU:
  New

Bug description:
  Based on commit b29c3e23f64938784c42ef9fca896829e3c19120,
  QEMU configured with --enable-debug --extra-cflags=-ggdb.

  Download Raspberry Pi 3 UEFI Firmware v1.15 from:
  https://github.com/pbatard/RPi3/releases/tag/v1.15
  (unzip RPi3_UEFI_Firmware_v1.15.zip)

  Run QEMU with:

  $ qemu-system-aarch64 -M raspi3 \
    -serial null -serial stdio \
    -device loader,file=RPI_EFI.fd,force-raw=true 

  Normal behavior:

  NOTICE:  Booting Trusted Firmware
  NOTICE:  BL1: v2.1(release):v2.1
  NOTICE:  BL1: Built : 15:26:06, May 13 2019
  NOTICE:  rpi3: Detected: Raspberry Pi 3 Model B (1GB, Sony, UK) [0x00a02082]
  NOTICE:  BL1: Booting BL2
  ERROR:   rpi3_sdhost: timeout status 0x40
  NOTICE:  BL2: v2.1(release):v2.1
  NOTICE:  BL2: Built : 15:26:01, May 13 2019
  NOTICE:  BL1: Booting BL31
  NOTICE:  BL31: v2.1(release):v2.1
  NOTICE:  BL31: Built : 15:26:04, May 13 2019
  =UEFI firmware (version UEFI Firmware v1.15 built at 11:58:44 on Feb 14 2020)
  ========

  Synchronous Exception at 0x0000000037A1A4E8

  But I sometimes get:

  NOTICE:  Booting Trusted Firmware
  NOTICE:  BL1: v2.1(release):v2.1
  NOTICE:  BL1: Built : 15:26:06, May 13 2019
  NOTICE:  rpi3: Detected: Raspberry Pi 3 Model B (1GB, Sony, UK) [0x00a02082]
  NOTICE:  BL1: Booting BL2
  ERROR:   rpi3_sdhost: timeout status 0x40
  NOTICE:  BL2: v2.1(release):v2.1
  NOTICE:  BL2: Built : 15:26:01, May 13 2019
  NOTICE:  BL1: Booting BL31
  NOTICE:  BL31: v2.1(release):v2.1
  NOTICE:  BL31: Built : 15:26:04, May 13 2019
  =UEFI firmware (version UEFI Firmware v1.15 built at 11:58:44 on Feb 14 2020)
  ========malloc(): unsorted double linked list corrupted

  Thread 3 "qemu-system-aar" received signal SIGABRT, Aborted.
  [Switching to Thread 0x7fffe9c22700 (LWP 22746)]
  0x00007ffff515ce35 in raise () from /lib64/libc.so.6
  (gdb) bt
  #0  0x00007ffff515ce35 in raise () at /lib64/libc.so.6
  #1  0x00007ffff5147895 in abort () at /lib64/libc.so.6
  #2  0x00007ffff51a008f in __libc_message () at /lib64/libc.so.6
  #3  0x00007ffff51a740c in  () at /lib64/libc.so.6
  #4  0x00007ffff51aa48c in _int_malloc () at /lib64/libc.so.6
  #5  0x00007ffff51aad4e in _int_memalign () at /lib64/libc.so.6
  #6  0x00007ffff51abdda in _mid_memalign () at /lib64/libc.so.6
  #7  0x00007ffff51ad3c6 in posix_memalign () at /lib64/libc.so.6
  #8  0x00007ffff7be2407 in slab_allocator_alloc_chunk () at 
/lib64/libglib-2.0.so.0
  #9  0x00007ffff7be3573 in g_slice_alloc () at /lib64/libglib-2.0.so.0
  #10 0x00007ffff7bf410a in g_tree_insert_internal () at /lib64/libglib-2.0.so.0
  #11 0x0000555555853f10 in tcg_tb_insert (tb=0x7fffd44b4d80 
<code_gen_buffer+4934995>) at tcg/tcg.c:425
  #12 0x00005555558dbe3d in tb_gen_code (cpu=0x555556afa640, pc=933332960, 
cs_base=0, flags=2216689664, cflags=-16252928) at accel/tcg/translate-all.c:1875
  #13 0x00005555558d7c73 in tb_find (cpu=0x555556afa640, last_tb=0x7fffd44b4c40 
<code_gen_buffer+4934675>, tb_exit=0, cf_mask=524288) at 
accel/tcg/cpu-exec.c:406
  #14 0x00005555558d8543 in cpu_exec (cpu=0x555556afa640) at 
accel/tcg/cpu-exec.c:730
  #15 0x00005555558981e1 in tcg_cpu_exec (cpu=0x555556afa640) at cpus.c:1405
  #16 0x0000555555898a37 in qemu_tcg_cpu_thread_fn (arg=0x555556afa640) at 
cpus.c:1713
  #17 0x0000555556057af8 in qemu_thread_start (args=0x555557511570) at 
util/qemu-thread-posix.c:519
  #18 0x00007ffff52f34c0 in start_thread () at /lib64/libpthread.so.0
  #19 0x00007ffff5221163 in clone () at /lib64/libc.so.6

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