RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd207
RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa369a746d4
R13: 00000000004c6c19 R14: 00000000004dc5f0 R15: 0000000000000003
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2624 Comm: syz-executor.2 Not tainted 5.1.0-rc3-next-20190408 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:d_alloc_pseudo+0x33/0x70 fs/dcache.c:1752
Code: 41 54 49 89 fc 48 83 ec 08 e8 39 d9 b7 ff 4c 89 ee 4c 89 e7 e8 1e f1 ff ff 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <0f> b6 14 11 84 d2 74 05 80 fa 03 7e 10 81 08 00 00 00 40 48 83 c4
RSP: 0018:ffff88805270fd00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100a4e1fa8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff81b8a01f RDI: 0000000000000282
RBP: ffff88805270fd18 R08: ffff8880983d8240 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: ffff8880aa38c740
R13: ffff88805270fd60 R14: ffff8880aa1d7a28 R15: ffff888088021620
FS:  00007fa369a74700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002047b000 CR3: 0000000093e30000 CR4: 00000000001406e0
Call Trace:
 alloc_file_pseudo+0xe2/0x280 fs/file_table.c:224
 __shmem_file_setup.part.0+0x108/0x2b0 mm/shmem.c:4000
 __shmem_file_setup mm/shmem.c:3983 [inline]
 shmem_file_setup+0x66/0x90 mm/shmem.c:4030
 __do_sys_memfd_create mm/memfd.c:307 [inline]
 __se_sys_memfd_create mm/memfd.c:250 [inline]
 __x64_sys_memfd_create+0x2a2/0x470 mm/memfd.c:250
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4582b9
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa369a73a88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004582b9
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 00000000004bd207
RBP: 000000000073bf00 R08: fe03f80fe03f80ff R09: 00000000fbad8001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa369a746d4
R13: 00000000004c6c19 R14: 00000000004dc5f0 R15: 0000000000000003
Modules linked in:
---[ end trace a5059d00c4319a01 ]---
RIP: 0010:d_alloc_pseudo+0x33/0x70 fs/dcache.c:1752
Code: 41 54 49 89 fc 48 83 ec 08 e8 39 d9 b7 ff 4c 89 ee 4c 89 e7 e8 1e f1 ff ff 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <0f> b6 14 11 84 d2 74 05 80 fa 03 7e 10 81 08 00 00 00 40 48 83 c4
RSP: 0018:ffff88805270fd00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100a4e1fa8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff81b8a01f RDI: 0000000000000282
RBP: ffff88805270fd18 R08: ffff8880983d8240 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: ffff8880aa38c740
R13: ffff88805270fd60 R14: ffff8880aa1d7a28 R15: ffff888088021620
FS:  00007fa369a74700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cd4ea5630 CR3: 0000000093e30000 CR4: 00000000001406e0