• Bart Van Assche's avatar
    lib/test_rhashtable: Make test_insert_dup() allocate its hash table dynamically · 5dd31dbc
    Bart Van Assche authored
    [ Upstream commit fc42a689 ]
    
    The test_insert_dup() function from lib/test_rhashtable.c passes a
    pointer to a stack object to rhltable_init(). Allocate the hash table
    dynamically to avoid that the following is reported with object
    debugging enabled:
    
    ODEBUG: object (ptrval) is on stack (ptrval), but NOT annotated.
    WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:368 __debug_object_init+0x312/0x480
    Modules linked in:
    EIP: __debug_object_init+0x312/0x480
    Call Trace:
     ? debug_object_init+0x1a/0x20
     ? __init_work+0x16/0x30
     ? rhashtable_init+0x1e1/0x460
     ? sched_clock_cpu+0x57/0xe0
     ? rhltable_init+0xb/0x20
     ? test_insert_dup+0x32/0x20f
     ? trace_hardirqs_on+0x38/0xf0
     ? ida_dump+0x10/0x10
     ? jhash+0x130/0x130
     ? my_hashfn+0x30/0x30
     ? test_rht_init+0x6aa/0xab4
     ? ida_dump+0x10/0x10
     ? test_rhltable+0xc5c/0xc5c
     ? do_one_initcall+0x67/0x28e
     ? trace_hardirqs_off+0x22/0xe0
     ? restore_all_kernel+0xf/0x70
     ? trace_hardirqs_on_thunk+0xc/0x10
     ? restore_all_kernel+0xf/0x70
     ? kernel_init_freeable+0x142/0x213
     ? rest_init+0x230/0x230
     ? kernel_init+0x10/0x110
     ? schedule_tail_wrapper+0x9/0xc
     ? ret_from_fork+0x19/0x24
    
    Cc: Thomas Graf <tgraf@suug.ch>
    Cc: Herbert Xu <herbert@gondor.apana.org.au>
    Cc: netdev@vger.kernel.org
    Cc: linux-kernel@vger.kernel.org
    Signed-off-by: 's avatarBart Van Assche <bvanassche@acm.org>
    Acked-by: 's avatarHerbert Xu <herbert@gondor.apana.org.au>
    Signed-off-by: 's avatarDavid S. Miller <davem@davemloft.net>
    Signed-off-by: 's avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    5dd31dbc
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