On Wed, Jan 30, 2019 at 10:42:30AM -0800, Bart Van Assche wrote: > 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 <tg...@suug.ch> > Cc: Herbert Xu <herb...@gondor.apana.org.au> > Cc: netdev@vger.kernel.org > Cc: linux-ker...@vger.kernel.org > Signed-off-by: Bart Van Assche <bvanass...@acm.org> > --- > > Changes compared to v2: fixed build error. > > Changes compared to v1: instead of modifying rhashtable_init(), modify its > caller. > > lib/test_rhashtable.c | 23 +++++++++++++++-------- > 1 file changed, 15 insertions(+), 8 deletions(-)
Acked-by: Herbert Xu <herb...@gondor.apana.org.au> -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
