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: 22973 Comm: syz-executor.4 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_swap_page+0x303/0x1ca0 mm/memory.c:3624
Code: 00 00 00 00 fc ff df 4c 8b 74 24 10 e9 99 00 00 00 4c 89 ef e8 1e 19 08 00 48 89 c3 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 7f 57 0a 00 4c 8b 33 bb 00 10 00 00
RSP: 0018:ffffc90004da78c0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000000
RBP: ffffc90004da7a48 R08: ffffffff81a4c343 R09: ffffed103ee0a5d8
R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88810b8b14a0
R13: 4003ffffff57095f R14: 0003ffffffffffff R15: 1ffff920009b4f30
FS:  0000555556366400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba1ef0b000 CR3: 0000000113376000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 handle_pte_fault+0x47a/0xdf0 mm/memory.c:4707
 ___handle_speculative_fault+0x10b1/0x1930 mm/memory.c:5110
 __handle_speculative_fault+0xc3/0x2a0 mm/memory.c:5153
 handle_speculative_fault include/linux/mm.h:1815 [inline]
 do_user_addr_fault+0x8c9/0xd70 arch/x86/mm/fault.c:1319
 handle_page_fault arch/x86/mm/fault.c:1462 [inline]
 exc_page_fault+0x98/0x2d0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7f42b5697a13
Code: 0f 84 91 0c 00 00 48 8d 05 6a 75 16 00 48 c7 c6 f4 ff ff ff 4d 8d 74 24 f4 4c 89 e3 48 29 c6 48 89 44 24 08 48 89 f0 4c 01 e0 <41> 80 7c 24 f8 00 48 89 04 24 75 b1 80 3d 7e 09 0a 01 00 0f 84 b4
RSP: 002b:00007fff76d4a270 EFLAGS: 00010213
RAX: 00000000000000d0 RBX: 00007f42b57ff03c RCX: 0000000000000000
RDX: 00007fff76d4a3d0 RSI: ffff80bd4a801094 RDI: 00007fff76d4a408
RBP: 00007fff76d4a3d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f42b4862700 R11: 0000000000000246 R12: 00007f42b57ff03c
R13: 0000000000000001 R14: 00007f42b57ff030 R15: 0000000000000000
Modules linked in:
---[ end trace 0d912484a26a7754 ]---
RIP: 0010:do_swap_page+0x303/0x1ca0 mm/memory.c:3624
Code: 00 00 00 00 fc ff df 4c 8b 74 24 10 e9 99 00 00 00 4c 89 ef e8 1e 19 08 00 48 89 c3 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 7f 57 0a 00 4c 8b 33 bb 00 10 00 00
RSP: 0018:ffffc90004da78c0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000000
RBP: ffffc90004da7a48 R08: ffffffff81a4c343 R09: ffffed103ee0a5d8
R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88810b8b14a0
R13: 4003ffffff57095f R14: 0003ffffffffffff R15: 1ffff920009b4f30
FS:  0000555556366400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 0000000113376000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 6 bytes skipped:
   0:	df 4c 8b 74          	fisttps 0x74(%rbx,%rcx,4)
   4:	24 10                	and    $0x10,%al
   6:	e9 99 00 00 00       	jmpq   0xa4
   b:	4c 89 ef             	mov    %r13,%rdi
   e:	e8 1e 19 08 00       	callq  0x81931
  13:	48 89 c3             	mov    %rax,%rbx
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  21:	fc ff df
* 24:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  28:	74 08                	je     0x32
  2a:	48 89 df             	mov    %rbx,%rdi
  2d:	e8 7f 57 0a 00       	callq  0xa57b1
  32:	4c 8b 33             	mov    (%rbx),%r14
  35:	bb 00 10 00 00       	mov    $0x1000,%ebx