RAX: ffffffffffffffda RBX: 00000000012fa914 RCX: 0000000000455979
RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000203c1000 R11: 0000000000000246 R12: 0000000000000004
R13: 000000000000055e R14: 00000000006fc170 R15: 0000000000000009
general protection fault: 0000 [#1] SMP PTI
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4520 Comm: syz-executor0 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:get_freepointer mm/slub.c:270 [inline]
RIP: 0010:get_freepointer_safe mm/slub.c:285 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:2706 [inline]
RIP: 0010:slab_alloc mm/slub.c:2745 [inline]
RIP: 0010:__kmalloc+0x13b/0x350 mm/slub.c:3785
RSP: 0018:ffff8801c9bcf7a8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88021fd42090 RCX: ffff8801a60c1d00
RDX: 0000000000006af1 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000
RBP: ffff8801c9bcf808 R08: ffff88021f005980 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801c9bc0000 R12: 6f7267637a79732f
R13: ffff88021f005980 R14: ffff8801a60c2698 R15: 0000000001080020
FS:  00000000012fa940(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000043cd60 CR3: 00000001b3830000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kmalloc include/linux/slab.h:517 [inline]
 proc_thread_self_get_link+0x1a7/0x390 fs/proc/thread_self.c:22
 get_link fs/namei.c:1030 [inline]
 link_path_walk+0x15a3/0x2140 fs/namei.c:2098
 path_openat+0x52c/0x6610 fs/namei.c:3519
 do_filp_open+0x261/0x640 fs/namei.c:3554
 do_sys_open+0x624/0x960 fs/open.c:1059
 SYSC_open+0xab/0xc0 fs/open.c:1077
 SyS_open+0x54/0x80 fs/open.c:1072
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x40fbb0
RSP: 002b:0000000000a3e908 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000040fbb0
RDX: 00000000004c00bd RSI: 0000000000000002 RDI: 00000000004babdc
RBP: 000000000072bea0 R08: 0000000000a3ea30 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000055e R14: 00000000006fc170 R15: 0000000000000009
Code: 8b 18 65 48 8b 53 08 65 48 03 1c 25 28 a1 02 00 4c 8b 23 4d 85 e4 0f 84 38 01 00 00 48 83 7b 10 00 0f 84 2d 01 00 00 49 63 40 20 <49> 8b 1c 04 48 89 d1 48 83 c1 01 49 8b 38 4c 89 e0 65 48 0f c7 
RIP: get_freepointer mm/slub.c:270 [inline] RSP: ffff8801c9bcf7a8
RIP: get_freepointer_safe mm/slub.c:285 [inline] RSP: ffff8801c9bcf7a8
RIP: slab_alloc_node mm/slub.c:2706 [inline] RSP: ffff8801c9bcf7a8
RIP: slab_alloc mm/slub.c:2745 [inline] RSP: ffff8801c9bcf7a8
RIP: __kmalloc+0x13b/0x350 mm/slub.c:3785 RSP: ffff8801c9bcf7a8
---[ end trace 231e0191f8565bb8 ]---