BUG: unable to handle page fault for address: 0000000000004b80
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000010b39f067 P4D 800000010b39f067 PUD 0 
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 UID: 0 PID: 5818 Comm: syz.5.327 Not tainted 6.11.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:732 [inline]
RIP: 0010:lru_gen_test_recent mm/workingset.c:274 [inline]
RIP: 0010:lru_gen_refault mm/workingset.c:293 [inline]
RIP: 0010:workingset_refault+0x11b/0x9d0 mm/workingset.c:548
Code: fc 00 00 00 48 8b 9c 00 d0 aa 87 83 89 c8 c1 e8 08 0f b7 f8 e8 66 92 0b 00 0f 1f 44 00 00 48 85 c0 75 07 48 8b 05 ed 9e 5e 02 <48> 63 8b 80 4b 00 00 48 8b ac c8 10 0c 00 00 48 83 c5 48 41 83 e4
RSP: 0018:ffffc90004273bb8 EFLAGS: 00010286
RAX: ffff888102fb9000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000002 RDI: ffffffff836170c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000155
R13: 0000000000000000 R14: 00000000000002ab R15: 0000000000000000
FS:  00007f0b8b26d6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000004b80 CR3: 000000010e3a4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0xa7/0x1e0 mm/filemap.c:985
 do_read_cache_folio+0x89/0x2d0 mm/filemap.c:3756
 freader_get_folio+0xea/0x280 lib/buildid.c:72
 freader_fetch+0x64/0x170 lib/buildid.c:115
 __build_id_parse+0xe0/0x2b0 lib/buildid.c:316
 do_procmap_query fs/proc/task_mmu.c:534 [inline]
 procfs_procmap_ioctl+0x4a0/0x870 fs/proc/task_mmu.c:628
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x6e/0xc0 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x8d/0x170 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0b8a38d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0b8b26d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0b8a5a6080 RCX: 00007f0b8a38d169
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f0b8a40e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0b8a5a6080 R15: 00007ffd7ad8e498
 </TASK>
Modules linked in:
CR2: 0000000000004b80
---[ end trace 0000000000000000 ]---
RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:732 [inline]
RIP: 0010:lru_gen_test_recent mm/workingset.c:274 [inline]
RIP: 0010:lru_gen_refault mm/workingset.c:293 [inline]
RIP: 0010:workingset_refault+0x11b/0x9d0 mm/workingset.c:548
Code: fc 00 00 00 48 8b 9c 00 d0 aa 87 83 89 c8 c1 e8 08 0f b7 f8 e8 66 92 0b 00 0f 1f 44 00 00 48 85 c0 75 07 48 8b 05 ed 9e 5e 02 <48> 63 8b 80 4b 00 00 48 8b ac c8 10 0c 00 00 48 83 c5 48 41 83 e4
RSP: 0018:ffffc90004273bb8 EFLAGS: 00010286
RAX: ffff888102fb9000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000002 RDI: ffffffff836170c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000155
R13: 0000000000000000 R14: 00000000000002ab R15: 0000000000000000
FS:  00007f0b8b26d6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000004b80 CR3: 000000010e3a4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	fc                   	cld
   1:	00 00                	add    %al,(%rax)
   3:	00 48 8b             	add    %cl,-0x75(%rax)
   6:	9c                   	pushf
   7:	00 d0                	add    %dl,%al
   9:	aa                   	stos   %al,%es:(%rdi)
   a:	87 83 89 c8 c1 e8    	xchg   %eax,-0x173e3777(%rbx)
  10:	08 0f                	or     %cl,(%rdi)
  12:	b7 f8                	mov    $0xf8,%bh
  14:	e8 66 92 0b 00       	call   0xb927f
  19:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1e:	48 85 c0             	test   %rax,%rax
  21:	75 07                	jne    0x2a
  23:	48 8b 05 ed 9e 5e 02 	mov    0x25e9eed(%rip),%rax        # 0x25e9f17
* 2a:	48 63 8b 80 4b 00 00 	movslq 0x4b80(%rbx),%rcx <-- trapping instruction
  31:	48 8b ac c8 10 0c 00 	mov    0xc10(%rax,%rcx,8),%rbp
  38:	00
  39:	48 83 c5 48          	add    $0x48,%rbp
  3d:	41                   	rex.B
  3e:	83                   	.byte 0x83
  3f:	e4                   	.byte 0xe4