Hi,

We are observing a crash in rollback_expand_heap(). Below is the backtrace

Program terminated with signal 11, Segmentation fault.
#0  0x000000000088ebc4 in malloc_elem_init (elem=elem@entry=0x310024a00000,
heap=0x30ffffffdac0, msl=0x30ffffff9090,
    size=18446744073709510528, orig_elem=0x310024600000, orig_size=2097152,
dirty=false)
    at ../esbc_gnu_src/lib/eal/common/malloc_elem.c:128
128     ../esbc_gnu_src/lib/eal/common/malloc_elem.c: No such file or
directory.
(gdb) bt
#0  0x000000000088ebc4 in malloc_elem_init (elem=elem@entry=0x310024a00000,
heap=0x30ffffffdac0, msl=0x30ffffff9090,
    size=18446744073709510528, orig_elem=0x310024600000, orig_size=2097152,
dirty=false)
    at ../esbc_gnu_src/lib/eal/common/malloc_elem.c:128
#1  0x000000000088ec6b in split_elem (elem=elem@entry=0x310024600000,
split_pt=split_pt@entry=0x310024a00000)
    at ../esbc_gnu_src/lib/eal/common/malloc_elem.c:297
#2  0x000000000088f2db in malloc_elem_hide_region () at
../esbc_gnu_src/lib/eal/common/malloc_elem.c:627
#3  0x000000000088fb6b in rollback_expand_heap (ms=0x2a5e278, n_segs=1,
elem=0x310024600000, map_addr=0x310024800000,
    map_len=2097152) at ../esbc_gnu_src/lib/eal/common/malloc_heap.c:285
#4  0x000000000089145b in handle_sync_response () at
../esbc_gnu_src/lib/eal/common/malloc_mp.c:506
#5  0x0000000000888110 in trigger_async_action (sr=0x13c7e400) at
../esbc_gnu_src/lib/eal/common/eal_common_proc.c:504
#6  0x0000000000898763 in eal_alarm_callback (arg=<optimized out>) at
../esbc_gnu_src/lib/eal/linux/eal_alarm.c:105
#7  0x000000000089ad5c in eal_intr_process_interrupts (nfds=<optimized out>,
events=<optimized out>)
    at ../esbc_gnu_src/lib/eal/linux/eal_interrupts.c:1017
#8  eal_intr_handle_interrupts (totalfds=<optimized out>, pfd=18) at
../esbc_gnu_src/lib/eal/linux/eal_interrupts.c:1091
#9  eal_intr_thread_main () at
../esbc_gnu_src/lib/eal/linux/eal_interrupts.c:1163

can you let us know if this is an know issue?