Hello,
current -git kills my system. adding
if (!virt_addr_valid(&aad[2])) {
WARN_ON(1);
return -EINVAL;
}
to ieee80211_aes_ccm_decrypt() given the following backtrace
WARNING: CPU: 5 PID: 252 at net/mac80211/aes_ccm.c:77 ieee80211_aes_ccm_decrypt+0xc8/0x197
CPU: 5 PID: 252 Comm: irq/29-iwlwifi Tainted: G W 4.8.0-next-20161010-dbg-00007-g79797e9-dirty #88
ffffc90000413638 ffffffff811ff0e3 0000000000000000 0000000000000000
ffffc90000413678 ffffffff8103fe91 0000004d000001c8 1ffff920000826d3
ffff88040fc526d8 0000000000000008 ffffc90000413978 ffffc9000041397a
Call Trace:
[<ffffffff811ff0e3>] dump_stack+0x4f/0x65
[<ffffffff8103fe91>] __warn+0xc2/0xdd
[<ffffffff8103ff1c>] warn_slowpath_null+0x1d/0x1f
[<ffffffff8142aaa5>] ieee80211_aes_ccm_decrypt+0xc8/0x197
[<ffffffff810ed595>] ? __put_page+0x3c/0x3f
[<ffffffff8131fa42>] ? put_page+0x4a/0x62
[<ffffffff813218d3>] ? __pskb_pull_tail+0x1e8/0x279
[<ffffffff8141a7dc>] ? ccmp_special_blocks.isra.5+0x51/0x12d
[<ffffffff8141b226>] ieee80211_crypto_ccmp_decrypt+0x1ba/0x221
[<ffffffff81432e80>] ieee80211_rx_handlers+0x52a/0x19c2
[<ffffffff81070000>] ? start_dl_timer+0xa8/0xb4
[<ffffffff8107462d>] ? put_lock_stats.isra.24+0xe/0x20
[<ffffffff8108ebec>] ? del_timer+0x57/0x61
[<ffffffff814351a8>] ieee80211_prepare_and_rx_handle+0xcd6/0xd2a
[<ffffffff810742a5>] ? local_clock+0x10/0x12
[<ffffffff8107642b>] ? __lock_acquire.isra.31+0x202/0x57e
[<ffffffff8143207b>] ? rcu_read_unlock+0x23/0x23
[<ffffffff81066e77>] ? sched_clock_cpu+0x17/0xc6
[<ffffffff814357ab>] ieee80211_rx_napi+0x5af/0x698
[<ffffffff810742c0>] ? get_lock_stats+0x19/0x50
[<ffffffff8107462d>] ? put_lock_stats.isra.24+0xe/0x20
[<ffffffffa023aaa9>] iwl_mvm_rx_rx_mpdu+0x5ab/0x60c [iwlmvm]
[<ffffffff810742c0>] ? get_lock_stats+0x19/0x50
[<ffffffffa0235c80>] iwl_mvm_rx+0x45/0x69 [iwlmvm]
[<ffffffffa01a989e>] iwl_pcie_rx_handle+0x478/0x584 [iwlwifi]
[<ffffffffa01aaafd>] iwl_pcie_irq_handler+0x39c/0x52d [iwlwifi]
[<ffffffff81080824>] ? irq_finalize_oneshot+0xa7/0xa7
[<ffffffff81080841>] irq_thread_fn+0x1d/0x34
[<ffffffff81080ab5>] irq_thread+0xe6/0x1bb
[<ffffffff8108093a>] ? wake_threads_waitq+0x2c/0x2c
[<ffffffff810809cf>] ? irq_thread_dtor+0x95/0x95
[<ffffffff81059d79>] kthread+0xc6/0xce
[<ffffffff8107462d>] ? put_lock_stats.isra.24+0xe/0x20
[<ffffffff81059cb3>] ? __list_del_entry+0x22/0x22
[<ffffffff814669d2>] ret_from_fork+0x22/0x30
---[ end trace 94da6d4698b938b2 ]---
-ss
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