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Sebastian Andrzej Siewior authored
As reported by Eric Sesterhenn the re-allocation of the cipher in reset leads to: |BUG: sleeping function called from invalid context at kernel/rwsem.c:21 |in_atomic(): 1, irqs_disabled(): 0, pid: 4926, name: modprobe |INFO: lockdep is turned off. |Pid: 4926, comm: modprobe Tainted: G M 2.6.31-rc1-22297-g52989765 #24 |Call Trace: | [<c011dd93>] __might_sleep+0xf9/0x101 | [<c0777aa0>] down_read+0x16/0x68 | [<c048bf04>] crypto_alg_lookup+0x16/0x34 | [<c048bf52>] crypto_larval_lookup+0x30/0xf9 | [<c048c038>] crypto_alg_mod_lookup+0x1d/0x62 | [<c048c13e>] crypto_alloc_base+0x1e/0x64 | [<c04bf991>] reset_prng_context+0xab/0x13f | [<c04e5cfc>] ? __spin_lock_init+0x27/0x51 | [<c04bfce1>] cprng_init+0x2a/0x42 | [<c048bb4c>] __crypto_alloc_tfm+0xfa/0x128 | [<c048c153>] crypto_alloc_base+0x33/0x64 | [<c04933c9>] alg_test_cprng+0x30/0x1f4 | [<c0493329>] alg_test+0x12f/0x19f | [<c0177f1f>] ? __alloc_pages_nodemask+0x14d/0x481 | [<d09219e2>] do_test+0xf9d/0x163f [tcrypt] ...
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