device bcsf0 entered promiscuous mode BUG: unable to handle kernel NULL pointer dereference at 00000000000000fd IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 PGD 1cae04067 P4D 1cae04067 PUD 1cae05067 PMD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 4463 Comm: syz-executor1 Not tainted 4.16.0-rc6+ #284 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:ffff8801b5857bb0 EFLAGS: 00010246 RAX: ffff8801c48a4dc0 RBX: 0000000000000282 RCX: 0000000000000000 RDX: ffffea0007122900 RSI: ffffea0006bd629f RDI: 0000000000000282 IPVS: set_ctl: invalid protocol: 255 172.20.20.170:20001 lblcr RBP: ffff8801b5857be8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8801c48a4dc0 R15: ffffffff87acaba0 FS: 00000000015eb940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000fd CR3: 00000001caddf002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 IPVS: set_ctl: invalid protocol: 255 172.20.20.170:20001 lblcr DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:537 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489 slab_post_alloc_hook mm/slab.h:443 [inline] slab_alloc mm/slab.c:3379 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3539 getname_flags+0xcb/0x580 fs/namei.c:138 getname fs/namei.c:209 [inline] user_path_create fs/namei.c:3683 [inline] SYSC_mkdirat fs/namei.c:3815 [inline] SyS_mkdirat fs/namei.c:3807 [inline] SYSC_mkdir fs/namei.c:3834 [inline] SyS_mkdir+0xc1/0x2a0 fs/namei.c:3832 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453d17 RSP: 002b:0000000000a3eaf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000000000000025e RCX: 0000000000453d17 RDX: 0000000000a3f7d5 RSI: 00000000000001ff RDI: 0000000000a3f7d0 RBP: 0000000000a3f1a0 R08: 0000000000000000 R09: 0000000000000005 R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000a3eb20 R13: 0000000000000013 R14: 0000000000000000 R15: 0000000000001380 Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 a0 ab ac 87 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 fc 00 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: ffff8801b5857bb0 CR2: 00000000000000fd ---[ end trace a286b2dc8c8517f3 ]---