Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f438a5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00000000004dd500 RCX: 000000000045ca29
RDX: 0000000000002710 RSI: 0000200000000114 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000000004
R13: 000000000000011b R14: 00000000004c3bbc R15: 00007f438a5a26d4
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 8452 Comm: syz-executor.0 Not tainted 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:unpin_user_pages+0x24/0x60 mm/gup.c:338
Code: 84 00 00 00 00 00 48 85 f6 74 42 41 55 49 bd 00 00 00 00 00 fc ff df 41 54 49 89 f4 55 31 ed 53 48 89 fb 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 75 1d 48 8b 3b 48 83 c5 01 48 83 c3 08 e8 35 fa ff
RSP: 0018:ffffc900047e7cf8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000011 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffed1015d07164 R09: ffffed1015d07164
R10: ffff8880ae838b1b R11: ffffed1015d07163 R12: 0000000000000011
R13: dffffc0000000000 R14: 0000000000000011 R15: 000000000000f002
FS:  00007f438a5a2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634d0c2a9c0 CR3: 00000000a251d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rds_info_getsockopt+0x1fc/0x330 net/rds/info.c:237
 __sys_getsockopt+0x114/0x280 net/socket.c:2172
 __do_sys_getsockopt net/socket.c:2187 [inline]
 __se_sys_getsockopt net/socket.c:2184 [inline]
 __x64_sys_getsockopt+0xb5/0x150 net/socket.c:2184
 do_syscall_64+0xc6/0x620 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca29
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f438a5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00000000004dd500 RCX: 000000000045ca29
RDX: 0000000000002710 RSI: 0000200000000114 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000000004
R13: 000000000000011b R14: 00000000004c3bbc R15: 00007f438a5a26d4
Modules linked in:
---[ end trace b1c3109b1ad44402 ]---
RIP: 0010:unpin_user_pages+0x24/0x60 mm/gup.c:338
Code: 84 00 00 00 00 00 48 85 f6 74 42 41 55 49 bd 00 00 00 00 00 fc ff df 41 54 49 89 f4 55 31 ed 53 48 89 fb 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 75 1d 48 8b 3b 48 83 c5 01 48 83 c3 08 e8 35 fa ff
RSP: 0018:ffffc900047e7cf8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000011 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffed1015d07164 R09: ffffed1015d07164
R10: ffff8880ae838b1b R11: ffffed1015d07163 R12: 0000000000000011
R13: dffffc0000000000 R14: 0000000000000011 R15: 000000000000f002
FS:  00007f438a5a2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634d0c2a9c0 CR3: 00000000a251d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400