------------[ cut here ]------------
WARNING: CPU: 0 PID: 4544 at mm/gup.c:229 try_grab_page+0x348/0x3f0 mm/gup.c:229
Modules linked in:
CPU: 0 PID: 4544 Comm: syz-executor.1 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:try_grab_page+0x348/0x3f0 mm/gup.c:229
Code: 5b 5d 41 5c 41 5d 41 5e c3 e8 84 51 c3 ff be 04 00 00 00 4c 89 ef e8 a7 87 16 00 f0 41 ff 45 00 45 31 e4 eb d3 e8 68 51 c3 ff <0f> 0b 41 bc f4 ff ff ff eb c4 e8 59 51 c3 ff be 04 00 00 00 4c 89
RSP: 0000:ffffc900032ef158 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffea000040e680 RCX: ffffc9001b11f000
RDX: 0000000000040000 RSI: ffffffff81c17d68 RDI: 0000000000000005
RBP: 0000000000290000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffea000040e680
R13: ffffea000040e6b4 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f26577fe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e52a000 CR3: 000000002233e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 follow_page_pte+0x20a/0x1c80 mm/gup.c:651
 follow_pmd_mask mm/gup.c:727 [inline]
 follow_pud_mask mm/gup.c:765 [inline]
 follow_p4d_mask mm/gup.c:782 [inline]
 follow_page_mask+0x3c9/0xdc0 mm/gup.c:839
 __get_user_pages+0x98f/0x1080 mm/gup.c:1221
 __get_user_pages_locked mm/gup.c:1456 [inline]
 __gup_longterm_locked+0x6f9/0x23e0 mm/gup.c:2150
 internal_get_user_pages_fast+0x16e6/0x32f0 mm/gup.c:3148
 pin_user_pages_fast+0xa8/0xf0 mm/gup.c:3254
 iov_iter_extract_user_pages lib/iov_iter.c:1768 [inline]
 iov_iter_extract_pages+0x293/0x18f0 lib/iov_iter.c:1831
 extract_user_to_sg lib/scatterlist.c:1123 [inline]
 extract_iter_to_sg lib/scatterlist.c:1349 [inline]
 extract_iter_to_sg+0x916/0x1960 lib/scatterlist.c:1339
 hash_sendmsg+0x52c/0x1150 crypto/algif_hash.c:117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:748
 ____sys_sendmsg+0x739/0x920 net/socket.c:2494
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2548
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2577
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2658c8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f26577fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2658dac120 RCX: 00007f2658c8c389
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006
RBP: 00007f2658cd7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2658ecfb1f R14: 00007f26577fe300 R15: 0000000000022000
 </TASK>