BUG: unable to handle page fault for address: ffffea000f38cac8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 237ff3067 P4D 237ff3067 PUD 237ff2067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 909 Comm: syz.6.152 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__read_once_size include/linux/compiler.h:268 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:174 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:195 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1146 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1222 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1251 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1272 [inline]
RIP: 0010:unmap_page_range+0x1210/0x2620 mm/memory.c:1293
Code: 84 24 f0 00 00 00 42 80 3c 20 00 74 08 4c 89 ef e8 25 55 09 00 48 b8 00 00 00 00 00 ea ff ff 48 01 c3 4c 89 ac 24 f8 00 00 00 <4d> 8b 6d 00 44 89 ee 83 e6 01 31 ff e8 2f 6e d9 ff 41 f6 c5 01 48
RSP: 0018:ffff8881c66275a0 EFLAGS: 00010286
RAX: ffffea0000000000 RBX: ffffea000f38cac0 RCX: 0000000000000000
RDX: ffff8881c64a6e40 RSI: ffffffff8639a828 RDI: f000000000000000
RBP: ffff8881c6627790 R08: ffffffff818adc49 R09: ffffed1038c94dc9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea000f38cac8 R14: 1ffff1103a949639 R15: ffffffff8639a828
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffea000f38cac8 CR3: 0000000005e0e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 unmap_single_vma mm/memory.c:1338 [inline]
 unmap_vmas+0x355/0x4b0 mm/memory.c:1370
 exit_mmap+0x2bc/0x520 mm/mmap.c:3191
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:538 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:848
 do_group_exit+0x138/0x300 kernel/exit.c:984
 get_signal+0xdb1/0x1440 kernel/signal.c:2738
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7efeffdab0a9
Code: Bad RIP value.
RSP: 002b:00007efefe4150e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007efefffc3fa8 RCX: 00007efeffdab0a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007efefffc3fa8
RBP: 00007efefffc3fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efefffc3fac
R13: 0000000000000000 R14: 00007ffd07e44860 R15: 00007ffd07e44948
Modules linked in:
CR2: ffffea000f38cac8
---[ end trace c9e7e44303be4e3e ]---
RIP: 0010:__read_once_size include/linux/compiler.h:268 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:174 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:195 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1146 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1222 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1251 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1272 [inline]
RIP: 0010:unmap_page_range+0x1210/0x2620 mm/memory.c:1293
Code: 84 24 f0 00 00 00 42 80 3c 20 00 74 08 4c 89 ef e8 25 55 09 00 48 b8 00 00 00 00 00 ea ff ff 48 01 c3 4c 89 ac 24 f8 00 00 00 <4d> 8b 6d 00 44 89 ee 83 e6 01 31 ff e8 2f 6e d9 ff 41 f6 c5 01 48
RSP: 0018:ffff8881c66275a0 EFLAGS: 00010286
RAX: ffffea0000000000 RBX: ffffea000f38cac0 RCX: 0000000000000000
RDX: ffff8881c64a6e40 RSI: ffffffff8639a828 RDI: f000000000000000
RBP: ffff8881c6627790 R08: ffffffff818adc49 R09: ffffed1038c94dc9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea000f38cac8 R14: 1ffff1103a949639 R15: ffffffff8639a828
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efeffdab07f CR3: 0000000005e0e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	84 24 f0             	test   %ah,(%rax,%rsi,8)
   3:	00 00                	add    %al,(%rax)
   5:	00 42 80             	add    %al,-0x80(%rdx)
   8:	3c 20                	cmp    $0x20,%al
   a:	00 74 08 4c          	add    %dh,0x4c(%rax,%rcx,1)
   e:	89 ef                	mov    %ebp,%edi
  10:	e8 25 55 09 00       	call   0x9553a
  15:	48 b8 00 00 00 00 00 	movabs $0xffffea0000000000,%rax
  1c:	ea ff ff
  1f:	48 01 c3             	add    %rax,%rbx
  22:	4c 89 ac 24 f8 00 00 	mov    %r13,0xf8(%rsp)
  29:	00
* 2a:	4d 8b 6d 00          	mov    0x0(%r13),%r13 <-- trapping instruction
  2e:	44 89 ee             	mov    %r13d,%esi
  31:	83 e6 01             	and    $0x1,%esi
  34:	31 ff                	xor    %edi,%edi
  36:	e8 2f 6e d9 ff       	call   0xffd96e6a
  3b:	41 f6 c5 01          	test   $0x1,%r13b
  3f:	48                   	rex.W