On Thu, Jan 03, 2019 at 02:21:05PM +0530, Harsh Jain wrote: > Authencesn template in decrypt path unconditionally calls aead_request_complete > after ahash_verify which leads to following kernel panic in after decryption. > > [ 338.539800] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 > [ 338.548372] PGD 0 P4D 0 > [ 338.551157] Oops: 0000 [#1] SMP PTI > [ 338.554919] CPU: 0 PID: 0 Comm: swapper/0 Kdump: loaded Tainted: G W I 4.19.7+ #13 > [ 338.564431] Hardware name: Supermicro X8ST3/X8ST3, BIOS 2.0 07/29/10 > [ 338.572212] RIP: 0010:esp_input_done2+0x350/0x410 [esp4] > [ 338.578030] Code: ff 0f b6 68 10 48 8b 83 c8 00 00 00 e9 8e fe ff ff 8b 04 25 04 00 00 00 83 e8 01 48 98 48 8b 3c c5 10 00 00 00 e9 f7 fd ff ff <8b> 04 25 04 00 00 00 83 e8 01 48 98 4c 8b 24 c5 10 00 00 00 e9 3b > [ 338.598547] RSP: 0018:ffff911c97803c00 EFLAGS: 00010246 > [ 338.604268] RAX: 0000000000000002 RBX: ffff911c4469ee00 RCX: 0000000000000000 > [ 338.612090] RDX: 0000000000000000 RSI: 0000000000000130 RDI: ffff911b87c20400 > [ 338.619874] RBP: 0000000000000000 R08: ffff911b87c20498 R09: 000000000000000a > [ 338.627610] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000000 > [ 338.635402] R13: ffff911c89590000 R14: ffff911c91730000 R15: 0000000000000000 > [ 338.643234] FS: 0000000000000000(0000) GS:ffff911c97800000(0000) knlGS:0000000000000000 > [ 338.652047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 338.658299] CR2: 0000000000000004 CR3: 00000001ec20a000 CR4: 00000000000006f0 > [ 338.666382] Call Trace: > [ 338.669051] <IRQ> > [ 338.671254] esp_input_done+0x12/0x20 [esp4] > [ 338.675922] chcr_handle_resp+0x3b5/0x790 [chcr] > [ 338.680949] cpl_fw6_pld_handler+0x37/0x60 [chcr] > [ 338.686080] chcr_uld_rx_handler+0x22/0x50 [chcr] > [ 338.691233] uldrx_handler+0x8c/0xc0 [cxgb4] > [ 338.695923] process_responses+0x2f0/0x5d0 [cxgb4] > [ 338.701177] ? bitmap_find_next_zero_area_off+0x3a/0x90 > [ 338.706882] ? matrix_alloc_area.constprop.7+0x60/0x90 > [ 338.712517] ? apic_update_irq_cfg+0x82/0xf0 > [ 338.717177] napi_rx_handler+0x14/0xe0 [cxgb4] > [ 338.722015] net_rx_action+0x2aa/0x3e0 > [ 338.726136] __do_softirq+0xcb/0x280 > [ 338.730054] irq_exit+0xde/0xf0 > [ 338.733504] do_IRQ+0x54/0xd0 > [ 338.736745] common_interrupt+0xf/0xf > > Signed-off-by: Harsh Jain <harsh@xxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
