BUG: unable to handle page fault for address: ffff8881447a219c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10801067 P4D 10801067 PUD 1449a2063 PMD 10b063 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 12743 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:wait_consider_task+0xae/0x3b80 kernel/exit.c:1288
Code: 8f 1c 05 00 00 48 89 c8 48 89 4c 24 10 48 c1 e8 03 0f b6 14 28 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c2 1a 00 00 <45> 8b a7 1c 05 00 00 bf 10 00 00 00 44 89 e6 e8 3e 50 31 00 41 83
RSP: 0018:ffffc90003adfb60 EFLAGS: 00010246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff8881447a219c
RDX: 0000000000000000 RSI: ffffffff8145a3e2 RDI: ffffc90003adfd18
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8b60a083
R10: ffffffff8145e5b6 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88803f189c80 R14: 0000000000000000 R15: ffff8881447a1c80
FS:  0000555556ca5400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8881447a219c CR3: 000000003a936000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 do_wait_thread kernel/exit.c:1397 [inline]
 do_wait+0x6ca/0xce0 kernel/exit.c:1514
 kernel_wait4+0x14c/0x260 kernel/exit.c:1677
 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1705
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0b49454f87
Code: 89 7c 24 10 48 89 4c 24 18 e8 35 50 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 65 50 02 00 8b 44
RSP: 002b:00007fffb99d1910 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000007e8 RCX: 00007f0b49454f87
RDX: 0000000040000001 RSI: 00007fffb99d199c RDI: 00000000ffffffff
RBP: 00007fffb99d199c R08: 0000000000000000 R09: 00007fffb99df080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000178849 R14: 0000000000000013 R15: 00007fffb99d1a00
Modules linked in:
CR2: ffff8881447a219c
---[ end trace ab990d2be2b3ec5f ]---
RIP: 0010:wait_consider_task+0xae/0x3b80 kernel/exit.c:1288
Code: 8f 1c 05 00 00 48 89 c8 48 89 4c 24 10 48 c1 e8 03 0f b6 14 28 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c2 1a 00 00 <45> 8b a7 1c 05 00 00 bf 10 00 00 00 44 89 e6 e8 3e 50 31 00 41 83
RSP: 0018:ffffc90003adfb60 EFLAGS: 00010246

RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff8881447a219c
RDX: 0000000000000000 RSI: ffffffff8145a3e2 RDI: ffffc90003adfd18
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8b60a083
R10: ffffffff8145e5b6 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88803f189c80 R14: 0000000000000000 R15: ffff8881447a1c80
FS:  0000555556ca5400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8881447a219c CR3: 000000003a936000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	1c 05                	sbb    $0x5,%al
   2:	00 00                	add    %al,(%rax)
   4:	48 89 c8             	mov    %rcx,%rax
   7:	48 89 4c 24 10       	mov    %rcx,0x10(%rsp)
   c:	48 c1 e8 03          	shr    $0x3,%rax
  10:	0f b6 14 28          	movzbl (%rax,%rbp,1),%edx
  14:	48 89 c8             	mov    %rcx,%rax
  17:	83 e0 07             	and    $0x7,%eax
  1a:	83 c0 03             	add    $0x3,%eax
  1d:	38 d0                	cmp    %dl,%al
  1f:	7c 08                	jl     0x29
  21:	84 d2                	test   %dl,%dl
  23:	0f 85 c2 1a 00 00    	jne    0x1aeb
* 29:	45 8b a7 1c 05 00 00 	mov    0x51c(%r15),%r12d <-- trapping instruction
  30:	bf 10 00 00 00       	mov    $0x10,%edi
  35:	44 89 e6             	mov    %r12d,%esi
  38:	e8 3e 50 31 00       	callq  0x31507b
  3d:	41                   	rex.B
  3e:	83                   	.byte 0x83