device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
BUG: unable to handle kernel paging request at ffffeafff94f0020
IP: [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
IP: [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
IP: [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
IP: [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
PGD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 18803 Comm: syz-executor6 Not tainted 4.4.150-g5541782 #83
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d9333000 task.stack: ffff8801cfe28000
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
RIP: 0010:[<ffffffff8150e8f8>]  [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
RSP: 0018:ffff8801cfe2faa8  EFLAGS: 00010246
RAX: 1ffffd5fff29e004 RBX: ffffeafff94f0020 RCX: ffffc90007440000
RDX: 00000000000003e5 RSI: ffffffff8150e8c0 RDI: 00003ffe53c001e0
RBP: ffff8801cfe2fbb0 R08: ffffffff8533b500 R09: 0000000000000000
R10: 0000000000000001 R11: ffff8801d9333000 R12: ffffeafff94f0000
R13: dffffc0000000000 R14: ffff8801d85b8800 R15: ffff8801d85b8800
FS:  00007fa27aefd700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffeafff94f0020 CR3: 00000001da2b3000 CR4: 00000000001606f0
Stack:
 ffffffff814b30fb ffff8801d9333920 ffffffff853d1f10 fffffbfff0882602
 ffff8801d93338d8 ffff8801d9333928 ffff8801d93338e0 ffff8801d8f5bf20
 1ffff10039fc5f65 ffff8802585b8000 0000000000000000 0000000020200000
Call Trace:
 [<ffffffff815104aa>] split_huge_page_pmd_mm+0x7a/0x90 mm/huge_memory.c:3058
 [<ffffffff81510691>] split_huge_page_address+0x1d1/0x220 mm/huge_memory.c:3085
 [<ffffffff815108c6>] vma_adjust_trans_huge+0x1e6/0x2c0 mm/huge_memory.c:3101
 [<ffffffff814ab4b0>] vma_adjust+0xd50/0x13d0 mm/mmap.c:833
 [<ffffffff814abf92>] __split_vma.isra.40+0x462/0x750 mm/mmap.c:2581
 [<ffffffff814b30fb>] split_vma+0x5b/0x80 mm/mmap.c:2613
 [<ffffffff814a680b>] mlock_fixup+0x3cb/0x510 mm/mlock.c:523
 [<ffffffff814a6b91>] apply_vma_lock_flags+0x241/0x330 mm/mlock.c:590
 [<ffffffff814a6e46>] do_mlock+0x1c6/0x370 mm/mlock.c:632
 [<ffffffff814a74ab>] SYSC_mlock2 mm/mlock.c:659 [inline]
 [<ffffffff814a74ab>] SyS_mlock2+0x4b/0x70 mm/mlock.c:649
 [<ffffffff838cb0a5>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: 48 c1 eb 06 48 01 d8 48 8d 58 20 48 89 85 68 ff ff ff 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 fd 04 00 00 4c 8b a5 68 ff ff ff <4d> 8b 74 24 20 41 f6 c6 01 0f 85 b1 03 00 00 e8 d4 5b e4 ff 49 
RIP  [<ffffffff8150e8f8>] __read_once_size include/linux/compiler.h:218 [inline]
RIP  [<ffffffff8150e8f8>] compound_head include/linux/page-flags.h:415 [inline]
RIP  [<ffffffff8150e8f8>] page_count include/linux/mm.h:470 [inline]
RIP  [<ffffffff8150e8f8>] __split_huge_page_pmd+0x2c8/0x820 mm/huge_memory.c:3029
 RSP <ffff8801cfe2faa8>
CR2: ffffeafff94f0020
---[ end trace 9b2925d2c906fb36 ]---