#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {140147770490288, 94508944039580, 140720386949904, 140720386941472, 140147779903360, 0, 0, 140147787763008, 13, 36, 80, 140147791397194, 140720386949664, 140147779903024, 94508944949364, 94508944010474}}
        ret = <optimized out>
#1  0x00007f76b308be73 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
No locals.
#2  0x00007f76b303eb46 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x00007f76b3028833 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 140720386941189, 94508944933570, 937, 140147786619952, 140147786621344, 80, 14570927876769256960, 140147788061824, 140720386950016, 94508986081136, 14570927876769256960, 140147770490320, 94508960191672, 140147770490352}}, sa_flags = -1285996757, sa_restorer = 0x7f76b2137e60}
        sigs = {__val = {32, 94508944041061, 140145123847268, 782964224, 0, 94508944444685, 14570927876769256960, 18446744073709550848, 14570927876769256960, 140147770490320, 140147770490320, 14570927876769256960, 94508986081136, 94508944041412, 140720386949840, 94509011209200}}
#4  0x000055f494099c5f in error_handle.llvm ()
No symbol table info available.
#5  0x000055f4940990ad in error_setg_internal ()
No symbol table info available.
#6  0x000055f493f17e2b in raw_check_lock_bytes ()
No symbol table info available.
#7  0x000055f493f14e1a in raw_check_perm ()
No symbol table info available.
#8  0x000055f493e79fb0 in bdrv_do_refresh_perms.llvm ()
No symbol table info available.
#9  0x000055f493e71961 in bdrv_list_refresh_perms.llvm ()
No symbol table info available.
#10 0x000055f493e71f04 in bdrv_replace_node_common.llvm ()
No symbol table info available.
#11 0x000055f493ebb555 in mirror_start_job.llvm ()
No symbol table info available.
#12 0x000055f493ebabbd in mirror_start ()
No symbol table info available.
#13 0x000055f493e5f1e3 in blockdev_mirror_common.llvm ()
No symbol table info available.
#14 0x000055f493f983a4 in qmp_marshal_blockdev_mirror ()
No symbol table info available.
#15 0x000055f4940820e2 in do_qmp_dispatch_bh ()
No symbol table info available.
#16 0x000055f4940ac2ff in aio_bh_poll ()
No symbol table info available.
#17 0x000055f49408e634 in aio_dispatch ()
No symbol table info available.
#18 0x000055f4940ad71f in aio_ctx_dispatch ()
No symbol table info available.
#19 0x00007f76b3543f4f in g_main_dispatch (context=0x55f496962eb0) at ../glib/gmain.c:3364
        dispatch = 0x55f4940ad710 <aio_ctx_dispatch>
        prev_source = 0x0
        begin_time_nsec = 10516828207609
        was_in_call = <optimized out>
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x55f496927cf0
        current = 0x55f496d11400
        i = 0
        __func__ = <optimized out>
#20 g_main_context_dispatch (context=0x55f496962eb0) at ../glib/gmain.c:4079
No locals.
#21 0x000055f4940ae6f0 in main_loop_wait ()
No symbol table info available.
#22 0x000055f493b36694 in qemu_main_loop ()
No symbol table info available.
#23 0x000055f493f42f3a in qemu_default_main ()
No symbol table info available.
#24 0x00007f76b30295d0 in __libc_start_call_main (main=main@entry=0x55f493f42f50 <main>, argc=argc@entry=121, argv=argv@entry=0x7ffc04ad4e98) at ../sysdeps/nptl/libc_start_call_main.h:58
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2594476784534633905, 140720386952856, 94508942634832, 94508946989048, 140147807068160, 2595929665197752911, 2671750692387603023}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f76b3549cc1 <g_malloc0+33>, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1286300479}}}
        not_first_call = <optimized out>
#25 0x00007f76b3029680 in __libc_start_main_impl (main=0x55f493f42f50 <main>, argc=121, argv=0x7ffc04ad4e98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc04ad4e88) at ../csu/libc-start.c:389
No locals.
#26 0x000055f49395f4d5 in _start ()
No symbol table info available.