BUG: unable to handle page fault for address: fffffffffffffffc
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD b68f067 P4D b68f067 PUD b691067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8701 Comm: syz-executor.1 Not tainted 5.14.0-rc5-next-20210811-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add include/linux/list.h:71 [inline]
RIP: 0010:list_add include/linux/list.h:86 [inline]
RIP: 0010:alloc_huge_page+0xdcb/0x11b0 mm/hugetlb.c:2821
Code: 00 0f 85 6b 03 00 00 48 89 ce 48 89 4a 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ee 03 80 3c 06 00 0f 85 2b 03 00 00 49 8d 7e 10 <49> 89 56 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
RSP: 0018:ffffc90017e2f0a0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: fffffffffffffffc
RDX: ffffea0005228008 RSI: 1fffffffffffffff RDI: 0000000000000004
RBP: ffff888024190318 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81b6fe41 R11: 0000000000000000 R12: ffffffff9024ca70
R13: 0000000000000001 R14: fffffffffffffff4 R15: ffffffff9024cb48
FS:  00007fbd44a99700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffc CR3: 000000006e3da000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hugetlb_no_page mm/hugetlb.c:4905 [inline]
 hugetlb_fault+0xf44/0x2500 mm/hugetlb.c:5112
 follow_hugetlb_page+0x414/0x12d0 mm/hugetlb.c:5494
 __get_user_pages+0x276/0xf70 mm/gup.c:1142
 __get_user_pages_locked mm/gup.c:1355 [inline]
 get_user_pages_unlocked+0x1b3/0x750 mm/gup.c:2079
 __gup_longterm_unlocked mm/gup.c:2658 [inline]
 internal_get_user_pages_fast+0x1548/0x2590 mm/gup.c:2746
 get_user_pages_fast+0x66/0xa0 mm/gup.c:2838
 iov_iter_get_pages+0x163/0xe30 lib/iov_iter.c:1488
 __bio_iov_iter_get_pages block/bio.c:1008 [inline]
 bio_iov_iter_get_pages block/bio.c:1116 [inline]
 bio_iov_iter_get_pages+0x1f7/0x1430 block/bio.c:1102
 __blkdev_direct_IO fs/block_dev.c:418 [inline]
 blkdev_direct_IO fs/block_dev.c:511 [inline]
 blkdev_direct_IO+0x98f/0x1320 fs/block_dev.c:500
 generic_file_read_iter+0x25e/0x4f0 mm/filemap.c:2762
 blkdev_read_iter+0x127/0x1c0 fs/block_dev.c:1480
 call_read_iter include/linux/fs.h:2146 [inline]
 aio_read+0x2aa/0x460 fs/aio.c:1538
 __io_submit_one fs/aio.c:1831 [inline]
 io_submit_one+0xe2b/0x1b80 fs/aio.c:1880
 __do_sys_io_submit fs/aio.c:1939 [inline]
 __se_sys_io_submit fs/aio.c:1909 [inline]
 __x64_sys_io_submit+0x18c/0x330 fs/aio.c:1909
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbd44a99188 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 00007fbd44a57000
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffc05ce161f R14: 00007fbd44a99300 R15: 0000000000022000
Modules linked in:
CR2: fffffffffffffffc
---[ end trace 129c46116276fd9b ]---
RIP: 0010:__list_add include/linux/list.h:71 [inline]
RIP: 0010:list_add include/linux/list.h:86 [inline]
RIP: 0010:alloc_huge_page+0xdcb/0x11b0 mm/hugetlb.c:2821
Code: 00 0f 85 6b 03 00 00 48 89 ce 48 89 4a 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ee 03 80 3c 06 00 0f 85 2b 03 00 00 49 8d 7e 10 <49> 89 56 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
RSP: 0018:ffffc90017e2f0a0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: fffffffffffffffc
RDX: ffffea0005228008 RSI: 1fffffffffffffff RDI: 0000000000000004
RBP: ffff888024190318 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81b6fe41 R11: 0000000000000000 R12: ffffffff9024ca70
R13: 0000000000000001 R14: fffffffffffffff4 R15: ffffffff9024cb48
FS:  00007fbd44a99700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffc CR3: 000000006e3da000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400