binder: 28863:28866 ERROR: BC_REGISTER_LOOPER called without request binder: 28866 RLIMIT_NICE not set BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 IP: __crypto_alg_lookup+0x43/0x190 crypto/api.c:63 PGD 0 P4D 0 Oops: 0000 [#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 28862 Comm: cryptomgr_probe Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__crypto_alg_lookup+0x43/0x190 crypto/api.c:63 RSP: 0018:ffffc90001143b60 EFLAGS: 00010293 RAX: ffff880207902440 RBX: 0000000000000000 RCX: ffffffff816741f3 RDX: 0000000000000000 RSI: ffffc90001143d39 RDI: ffff8801fb310881 RBP: ffffc90001143ba8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffc90001143b28 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000240c R15: 0000000000000405 FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000020 CR3: 000000000301e004 CR4: 00000000001606f0 DR0: 0000000020000008 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: crypto_alg_lookup+0x31/0x50 crypto/api.c:201 crypto_larval_lookup.part.8+0x34/0x1c0 crypto/api.c:218 crypto_larval_lookup crypto/api.c:212 [inline] crypto_alg_mod_lookup+0x77/0x120 crypto/api.c:271 crypto_find_alg+0x63/0x70 crypto/api.c:501 crypto_grab_spawn+0x2f/0x80 crypto/algapi.c:631 crypto_grab_skcipher+0x35/0x40 crypto/skcipher.c:920 crypto_ccm_create_common+0x13e/0x3f0 crypto/ccm.c:501 crypto_ccm_create+0xcc/0x100 crypto/ccm.c:585 cryptomgr_probe+0x40/0x100 crypto/algboss.c:75 kthread+0x149/0x170 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524 Code: 89 7d d0 e8 70 61 c4 ff 48 8b 1d 89 df a6 01 48 81 fb 60 21 0e 83 0f 84 4c 01 00 00 c7 45 c4 fe ff ff ff 45 31 e4 e8 4d 61 c4 ff <44> 8b 6b 20 41 f6 c5 60 0f 85 03 01 00 00 e8 3a 61 c4 ff 44 89 RIP: __crypto_alg_lookup+0x43/0x190 crypto/api.c:63 RSP: ffffc90001143b60 CR2: 0000000000000020 ---[ end trace 8d6f74aa0823f0ba ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..