kernel BUG at mm/slab.c:3256!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
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kernel BUG at mm/slab.c:3256!
------------[ cut here ]------------
kernel BUG at mm/slab.c:3256!
   (ftrace buffer empty)
Modules linked in:
CPU: 3 PID: 3008 Comm: syzkaller571619 Not tainted 4.13.0-rc7-next-20170901+ #13
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
------------[ cut here ]------------
kernel BUG at mm/slab.c:3256!
task: ffff8800682aa540 task.stack: ffff880068170000
RIP: 0010:____cache_alloc_node+0x1d7/0x1e0 mm/slab.c:3292
RSP: 0018:ffff880068177638 EFLAGS: 00010096
RAX: ffffffffffff8b7b RBX: 0000000001080220 RCX: 0000000000000000
RDX: 00000000ffff8b7b RSI: 0000000001080220 RDI: ffff88003e800040
RBP: ffff8800681776c0 R08: 0000000000000000 R09: 0000000000000000
R10: 1ffff1000d02ede9 R11: 1ffff1000d05573b R12: ffff88003e800040
R13: ffff88003e800040 R14: 0000000000000001 R15: 00000000ffff8b7b
FS:  0000000002238940(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001fec CR3: 0000000068a12000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_kmalloc_node mm/slab.c:3688 [inline]
 __kmalloc_node+0x33/0x70 mm/slab.c:3696
 kmalloc_node include/linux/slab.h:535 [inline]
 alloc_htab_elem+0x2a8/0x480 kernel/bpf/hashtab.c:717
 htab_map_update_elem+0x73e/0xb80 kernel/bpf/hashtab.c:797
 map_update_elem kernel/bpf/syscall.c:587 [inline]
 SYSC_bpf kernel/bpf/syscall.c:1468 [inline]
 SyS_bpf+0x20cb/0x4c50 kernel/bpf/syscall.c:1443
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x436059
RSP: 002b:00007ffe50c0bd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000436059
RDX: 0000000000000020 RSI: 0000000020006000 RDI: 0000000000000002
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000402360 R14: 00000000004023f0 R15: 0000000000000000
Code: 83 c2 01 89 50 18 4c 03 70 08 e8 15 f4 ff ff 4d 85 f6 0f 85 3e ff ff ff 44 89 fe 4c 89 ef e8 81 fb ff ff 49 89 c6 e9 2b ff ff ff <0f> 0b 0f 0b 0f 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 
RIP: ____cache_alloc_node+0x1d7/0x1e0 mm/slab.c:3292 RSP: ffff880068177638
---[ end trace 05b8a84288b4f9c9 ]---
invalid opcode: 0000 [#2] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3017 Comm: syzkaller571619 Tainted: G      D         4.13.0-rc7-next-20170901+ #13
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88003a11a280 task.stack: ffff880038120000
RIP: 0010:____cache_alloc_node+0x1d7/0x1e0 mm/slab.c:3292
RSP: 0018:ffff880038127638 EFLAGS: 00010096
RAX: ffffffffffff8b7b RBX: 0000000001080220 RCX: 00000000000000c0
RDX: 00000000ffff8b7b RSI: 0000000001080220 RDI: ffff88003e800040
RBP: ffff8800381276c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffed00073d24e8 R12: ffff88003e800040
R13: ffff88003e800040 R14: 0000000000000000 R15: 00000000ffff8b7b
FS:  0000000002238940(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001fec CR3: 000000003e2a8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_kmalloc_node mm/slab.c:3688 [inline]
 __kmalloc_node+0x33/0x70 mm/slab.c:3696
 kmalloc_node include/linux/slab.h:535 [inline]
 alloc_htab_elem+0x2a8/0x480 kernel/bpf/hashtab.c:717
 htab_map_update_elem+0x73e/0xb80 kernel/bpf/hashtab.c:797
 map_update_elem kernel/bpf/syscall.c:587 [inline]
 SYSC_bpf kernel/bpf/syscall.c:1468 [inline]
 SyS_bpf+0x20cb/0x4c50 kernel/bpf/syscall.c:1443
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x436059
RSP: 002b:00007ffe50c0bd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000436059
RDX: 0000000000000020 RSI: 0000000020006000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000402360 R14: 00000000004023f0 R15: 0000000000000000
Code: 83 c2 01 89 50 18 4c 03 70 08 e8 15 f4 ff ff 4d 85 f6 0f 85 3e ff ff ff 44 89 fe 4c 89 ef e8 81 fb ff ff 49 89 c6 e9 2b ff ff ff <0f> 0b 0f 0b 0f 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 
RIP: ____cache_alloc_node+0x1d7/0x1e0 mm/slab.c:3292 RSP: ffff880038127638
---[ end trace 05b8a84288b4f9ca ]---
invalid opcode: 0000 [#3] SMP KASAN