general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 1 PID: 12866 Comm: syz-executor.2 Not tainted 5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vsock_poll+0x75a/0x8e0 net/vmw_vsock/af_vsock.c:1038
Code: 84 ed 0f 85 c4 00 00 00 e8 c3 a2 96 f9 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa c6 44 24 30 00 48 c1 ea 03 <80> 3c 02 00 0f 85 3f 01 00 00 48 8d 54 24 30 be 01 00 00 00 48 89
RSP: 0018:ffffc900170f7868 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000d642000
RDX: 0000000000000012 RSI: ffffffff87dd1a4d RDI: 0000000000000090
RBP: ffff88809f58d000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88809f58d42a R15: 0000000000000001
FS:  00007fa99d94a700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000742138 CR3: 00000000943b8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_poll+0x159/0x460 net/socket.c:1266
 vfs_poll include/linux/poll.h:90 [inline]
 do_pollfd fs/select.c:869 [inline]
 do_poll fs/select.c:917 [inline]
 do_sys_poll+0x607/0xd40 fs/select.c:1011
 __do_sys_poll fs/select.c:1069 [inline]
 __se_sys_poll fs/select.c:1057 [inline]
 __x64_sys_poll+0x18c/0x440 fs/select.c:1057
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cce9
Code: 2d b6 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa99d949c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 0000000000023cc0 RCX: 000000000045cce9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000000
RBP: 000000000078bfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac
R13: 00007ffe8cfc2ccf R14: 00007fa99d94a9c0 R15: 000000000078bfac
Modules linked in:
---[ end trace 9e62ca6611189d5b ]---
RIP: 0010:vsock_poll+0x75a/0x8e0 net/vmw_vsock/af_vsock.c:1038
Code: 84 ed 0f 85 c4 00 00 00 e8 c3 a2 96 f9 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa c6 44 24 30 00 48 c1 ea 03 <80> 3c 02 00 0f 85 3f 01 00 00 48 8d 54 24 30 be 01 00 00 00 48 89
RSP: 0018:ffffc900170f7868 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000d642000
RDX: 0000000000000012 RSI: ffffffff87dd1a4d RDI: 0000000000000090
RBP: ffff88809f58d000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88809f58d42a R15: 0000000000000001
FS:  00007fa99d94a700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000744914 CR3: 00000000943b8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400