binder: 22133:22136 ioctl 40046205 0 returned -22 BUG: unable to handle kernel NULL pointer dereference at 0000000000000106 IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 PGD 1ca678067 P4D 1ca678067 PUD 1bc9e5067 PMD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 22137 Comm: syz-executor2 Not tainted 4.15.0-rc2-next-20171207+ #62 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 RSP: 0018:ffff8801c3c4fbe0 EFLAGS: 00010246 RAX: ffff8801cbe20ec0 RBX: 0000000000000282 RCX: 0000000000000000 RDX: ffffea00072f8800 RSI: ffffea000744ea1f RDI: 0000000000000282 RBP: ffff8801c3c4fc18 R08: ffff8801dae17d18 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: ffff8801cbe20ec0 R15: ffffffff862cbac0 FS: 00007ff525440700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000106 CR3: 00000001d3d88000 CR4: 00000000001426e0 DR0: 0000000020001000 DR1: 0000000020000000 DR2: 0000000000000004 DR3: 4000000000000007 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:536 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489 slab_post_alloc_hook mm/slab.h:446 [inline] slab_alloc mm/slab.c:3386 [inline] kmem_cache_alloc_trace+0x11f/0x750 mm/slab.c:3612 kmalloc include/linux/slab.h:516 [inline] kzalloc include/linux/slab.h:705 [inline] aead_bind+0x51/0x140 crypto/algif_aead.c:478 alg_bind+0x1ab/0x440 crypto/af_alg.c:179 SYSC_bind+0x1b4/0x3f0 net/socket.c:1454 SyS_bind+0x24/0x30 net/socket.c:1440 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007ff52543fc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000058 RSI: 00000000209c9000 RDI: 0000000000000013 RBP: 0000000000000541 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4eb8 R13: 00000000ffffffff R14: 00007ff5254406d4 R15: 0000000000000000 Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 c0 ba 2c 86 53 49 89 f4 48 83 ec 10 48 89 7d c8 4d 85 e4 4d 89 e5 0f 84 c8 00 00 00 <49> 63 95 04 01 00 00 4c 8b 30 48 29 d0 49 83 3f 00 48 89 c6 0f RIP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801c3c4fbe0 CR2: 0000000000000106 ---[ end trace 9e3ed21d0b8a1fa8 ]---