#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 = {33}}
        ret = <optimized out>
#1  0x00007f1192a3c953 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
No locals.
#2  0x00007f11929edea8 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x00007f11929d753d in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20}, sa_mask = {__val = {139713451153161, 0, 139713452762304, 140723166090720, 94170270331080, 140723166090976, 139713451153348, 139713452762304, 139713451192878, 0, 142713908480, 139713451148928, 139713452762304, 94167157964800, 0, 140723166090768}}, sa_flags = -1437362672, sa_restorer = 0x7ffcaa539690}
#4  0x00007f11929d829e in __libc_message (fmt=fmt@entry=0x7f1192b4f77e "%s\n") at ../sysdeps/posix/libc_fatal.c:150
        ap = {{gp_offset = 16, fp_offset = 32529, overflow_arg_area = 0x7ffcaa539720, reg_save_area = 0x7ffcaa5396b0}}
        fd = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
#5  0x00007f1192a46657 in malloc_printerr (str=str@entry=0x7f1192b4d22c "free(): invalid pointer") at malloc.c:5651
No locals.
#6  0x00007f1192a484bc in _int_free (av=<optimized out>, p=<optimized out>, have_lock=have_lock@entry=0) at malloc.c:4425
        size = 0
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        __PRETTY_FUNCTION__ = "_int_free"
#7  0x00007f1192a4ae63 in __GI___libc_free (mem=<optimized out>) at malloc.c:3367
        ar_ptr = <optimized out>
        p = <optimized out>
        err = 2
#8  0x000055a5b980a17a in read_xattrs_from_system (xattrs=<optimized out>, filename=<optimized out>, dir_ent=<optimized out>) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/xattr.c:227
        x = 0x55a5ba3be260
        res = <optimized out>
        vsize = <optimized out>
        i = <optimized out>
        xattr_list = 0x55a5ba3be260
        size = <optimized out>
        xattr_names = 0x55a5ba3be220 "system.posix_acl_access"
        p = 0x55a5ba3be238 "system.posix_acl_default"
        xattr_exc_list = 0x0
        xattr_inc_list = 0x0
        failed = <optimized out>
        size = <optimized out>
        vsize = <optimized out>
        xattr_names = <optimized out>
        p = <optimized out>
        i = <optimized out>
        xattr_list = <optimized out>
        xattr_exc_list = <optimized out>
        xattr_inc_list = <optimized out>
        __func__ = <optimized out>
        failed = <optimized out>
        x = <optimized out>
        res = <optimized out>
#9  read_xattrs (type=1, d=0x55a5ba3b9de0) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/xattr.c:713
        j = <optimized out>
        l3 = 0x0
        filename = 0x55a5ba3b9e20 "/tmp/sfstest/test1"
        count = <optimized out>
        l1 = 0x0
        dir_ent = 0x55a5ba3b9de0
        inode = 0x55a5ba3b9f90
        xattr_list = 0x0
        head = <optimized out>
        i = 0
        l2 = 0x0
        action_add_list = 0x55a5ba3c2030
        dir_ent = <optimized out>
        inode = <optimized out>
        filename = <optimized out>
        xattr_list = <optimized out>
        head = <optimized out>
        count = <optimized out>
        i = <optimized out>
        j = <optimized out>
        l1 = <optimized out>
        l2 = <optimized out>
        l3 = <optimized out>
        action_add_list = <optimized out>
        __func__ = <optimized out>
        skip_dup_check = <optimized out>
        x = <optimized out>
        entry = <optimized out>
#10 create_inode (dir_info=dir_info@entry=0x55a5ba3b9f40, dir_ent=0x55a5ba3b9de0, type=type@entry=1, byte_size=byte_size@entry=3, start_block=start_block@entry=0, offset=offset@entry=0, block_list=0x0, fragment=0x0, dir_in=0x7ffcaa539990, sparse=0) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:956
        buf = 0x55a5ba3b9f90
        inode_header = {base = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529}, dev = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792, rdev = 0}, ldev = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792, rdev = 0, xattr = 8192}, symlink = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792, symlink_size = 0, symlink = 0x7ffcaa5398c8 ""}, reg = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, start_block = 15792, fragment = 0, offset = 8192, file_size = 0, block_list = 0x7ffcaa5398d0}, lreg = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, start_block = 15792, file_size = 8192, sparse = 107, nlink = 2460266083, fragment = 32529, offset = 3124469568, xattr = 21925, block_list = 0x7ffcaa5398e8}, dir = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, start_block = 15792, nlink = 0, file_size = 8192, offset = 0, parent_inode = 0}, ldir = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792, file_size = 0, start_block = 8192, parent_inode = 0, i_count = 107, offset = 0, xattr = 0, index = 0x7ffcaa5398d8}, ipc = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792}, lipc = {inode_type = 40624, mode = 47675, uid = 21925, guid = 0, mtime = 2460261678, inode_number = 32529, nlink = 15792, xattr = 0}}
        base = 0x7ffcaa5398b0
        inode = <optimized out>
        filename = 0x55a5ba3b9e20 "/tmp/sfstest/test1"
        nlink = 1
        xattr = <optimized out>
        uid = <optimized out>
        gid = <optimized out>
#11 0x000055a5b980eece in write_dir (dir=0x7ffcaa539990, dir_info=0x55a5ba3b9f40) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:1372
        directory_block = 0
        i_count = 0
        c_byte = <optimized out>
        dir_size = 0
        data_space = <optimized out>
        directory_offset = <optimized out>
        index = 16384
        dir_size = <optimized out>
        data_space = <optimized out>
        directory_block = <optimized out>
        directory_offset = <optimized out>
        i_count = <optimized out>
        index = <optimized out>
        c_byte = <optimized out>
        __func__ = <optimized out>
        realloc_size = <optimized out>
        dc = <optimized out>
        dir_header = <optimized out>
        dt = <optimized out>
#12 dir_scan7 (inode=inode@entry=0x7ffcaa539b08, dir_info=0x55a5ba3b9f40) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:4503
        squashfs_type = <optimized out>
        duplicate_file = 32764
        dir = {start_block = 24000, size = 8192, buff = 0x55a5ba3bc210 " ⸒\021\177", p = 0x55a5ba3bc210 " ⸒\021\177", entry_count = 256, entry_count_p = 0x0, i_count = 0, i_size = 0, index = 0x0, index_count_p = 0x55a5ba3bc210 " ⸒\021\177", inode_number = 2857605896}
        dir_ent = <optimized out>
        file = <optimized out>
#13 0x000055a5b980ecd3 in dir_scan7 (inode=0x7ffcaa539b08, dir_info=0x55a5ba3b1cf0) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:4395
        buf = 0x55a5ba3b9f90
        squashfs_type = 1
        duplicate_file = 32529
        dir = {start_block = 0, size = 8192, buff = 0x55a5ba3ba200 "@⸒\021\177", p = 0x55a5ba3ba200 "@⸒\021\177", entry_count = 256, entry_count_p = 0x0, i_count = 0, i_size = 0, index = 0x0, index_count_p = 0x55a5ba3ba200 "@⸒\021\177", inode_number = 3124436208}
        dir_ent = 0x55a5ba3b9de0
        file = <optimized out>
#14 0x000055a5b9828c06 in do_directory_scans.constprop.0 (dir_ent=<optimized out>, progress=<optimized out>) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:3534
        inode = 208
        pseudo = <optimized out>
#15 0x000055a5b9804849 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/squashfs-tools/squashfs-tools-4.6/squashfs-tools/mksquashfs.c:3585
        buf = {st_dev = 35, st_ino = 31, st_nlink = 1, st_mode = 33188, st_uid = 1000, st_gid = 1000, __pad0 = 0, st_rdev = 0, st_size = 0, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1679297483, tv_nsec = 289753054}, st_mtim = {tv_sec = 1679297483, tv_nsec = 289753054}, st_ctim = {tv_sec = 1679297483, tv_nsec = 289753054}, __glibc_reserved = {0, 0, 0}}
        source_buf = {st_dev = 35, st_ino = 29, st_nlink = 3, st_mode = 16877, st_uid = 1000, st_gid = 1000, __pad0 = 0, st_rdev = 0, st_size = 60, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1679297454, tv_nsec = 272532040}, st_mtim = {tv_sec = 1679297454, tv_nsec = 272532040}, st_ctim = {tv_sec = 1679297454, tv_nsec = 272532040}, __glibc_reserved = {0, 0, 0}}
        res = <optimized out>
        i = <optimized out>
        root_name = <optimized out>
        inode = <optimized out>
        readq = 121
        fragq = 124
        bwriteq = 121
        fwriteq = <optimized out>
        total_mem = <optimized out>
        progress = <optimized out>
        force_progress = <optimized out>
        fragment = 0x0
        command = <optimized out>
        __func__ = "main"