BUG: unable to handle kernel paging request at ffff8802ce6acfc0 IP: slab_put_obj mm/slab.c:2612 [inline] IP: free_block+0x158/0x280 mm/slab.c:3405 PGD 9cf3067 P4D 9cf3067 PUD 0 Oops: 0002 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 2318 Comm: udevd Not tainted 4.16.0-rc6+ #286 ieee80211 phy3004: Selected rate control algorithm 'minstrel_ht' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:slab_put_obj mm/slab.c:2612 [inline] RIP: 0010:free_block+0x158/0x280 mm/slab.c:3405 RSP: 0018:ffff8801cdc4faa0 EFLAGS: 00010082 RAX: 000000000000003a RBX: ffff8801db335000 RCX: 00000000ffffffff RDX: ffff8801ce6ace80 RSI: ffff8801ce6acfc1 RDI: 0000000000000000 RBP: ffff8801cdc4fae8 R08: 000000000739ab00 R09: ffff8801dac01258 R10: ffff8801cdc4f9b0 R11: ffff8801dac01218 R12: ffff8801dac001c0 R13: ffffea000739ab20 R14: ffff8801dac01200 R15: ffffea000739ab00 FS: 00007fdf71cc87a0(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8802ce6acfc0 CR3: 00000001ce30a006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cache_flusharray mm/slab.c:3456 [inline] ___cache_free+0x20a/0x2f0 mm/slab.c:3514 qlink_free mm/kasan/quarantine.c:147 [inline] qlist_free_all+0x8c/0x160 mm/kasan/quarantine.c:166 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+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7fdf713d0120 RSP: 002b:00007ffe98cd7ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000001cb29f0 RCX: 00007fdf713d0120 RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffe98cd7bc0 RBP: 00007ffe98cd7b60 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 000000000041f57a R14: 0000000001d8df00 R15: 0000000001cad250 Code: 0f b6 4c 24 1c 48 c1 ee 20 29 f0 d3 e8 41 0f b6 4c 24 1d 01 f0 49 8b 77 10 d3 e8 8d 4f ff 48 85 f6 41 89 4f 18 0f 84 05 01 00 00 <88> 04 0e 41 8b 47 18 85 c0 0f 84 e0 fe ff ff 49 8b 4e 40 4d 8d RIP: slab_put_obj mm/slab.c:2612 [inline] RSP: ffff8801cdc4faa0 RIP: free_block+0x158/0x280 mm/slab.c:3405 RSP: ffff8801cdc4faa0 CR2: ffff8802ce6acfc0 ---[ end trace 1ef153c7994982ae ]---