mlock_drain_local+0x193/0x490 mm/mlock.c:219
 populate_vma_page_range+0x319/0x3f0 mm/gup.c:1866
 __mm_populate+0x25f/0x390 mm/gup.c:1967
 do_mlock+0x622/0x730 mm/mlock.c:648
 __do_sys_mlock mm/mlock.c:658 [inline]
 __se_sys_mlock mm/mlock.c:654 [inline]
 __x64_sys_mlock+0x77/0xa0 mm/mlock.c:654
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 18286 Comm: syz.3.4011 Tainted: G             L     Y syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP, [Y]=FORCED_BIND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__filemap_add_folio+0x1236/0x13c0 mm/filemap.c:858
Code: 17 be ff 4c 89 ef 48 c7 c6 80 3c 19 8c e8 c2 61 1d ff 90 0f 0b e8 4a 17 be ff 4c 89 ef 48 c7 c6 40 31 19 8c e8 ab 61 1d ff 90 <0f> 0b e8 33 17 be ff 4c 89 ef 48 c7 c6 80 3c 19 8c e8 94 61 1d ff
RSP: 0018:ffffc9001316f1e0 EFLAGS: 00010246
RAX: a9bf026e1344ee00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: ffffc9000dfea000 RSI: ffffffff8e6a1508 RDI: ffff888028be9f40
RBP: ffffc9001316f358 R08: ffff8880b8624ad3 R09: 1ffff110170c495a
R10: dffffc0000000000 R11: ffffed10170c495b R12: ffff888026a320d8
R13: ffffea0000eb4440 R14: 0000000000000002 R15: dffffc0000000000
FS:  00007f96582ef6c0(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c366d9d CR3: 0000000092b6c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x251/0x4e0 mm/filemap.c:971
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
 do_sync_mmap_readahead+0x74b/0x960 mm/filemap.c:3461
 filemap_fault+0x7ef/0x13b0 mm/filemap.c:3615
 __do_fault+0x138/0x2a0 mm/memory.c:5633
 do_read_fault mm/memory.c:6068 [inline]
 do_fault mm/memory.c:6202 [inline]
 do_pte_missing+0x21d2/0x3570 mm/memory.c:4762
 handle_pte_fault mm/memory.c:6626 [inline]
 __handle_mm_fault mm/memory.c:6775 [inline]
 handle_mm_fault+0x1a53/0x3750 mm/memory.c:6942
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1669/0x26e0 mm/gup.c:1428
 populate_vma_page_range+0x311/0x3f0 mm/gup.c:1864
 __mm_populate+0x25f/0x390 mm/gup.c:1967
 mm_populate include/linux/mm.h:4464 [inline]
 vm_mmap_pgoff+0x353/0x4e0 mm/util.c:586
 ksys_mmap_pgoff+0x4dc/0x760 mm/mmap.c:619
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f965739e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96582ef028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f9657626090 RCX: 00007f965739e159
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f965743506b R08: 0000000000000008 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9657626128 R14: 00007f9657626090 R15: 00007ffd08c01fd8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x1236/0x13c0 mm/filemap.c:858
Code: 17 be ff 4c 89 ef 48 c7 c6 80 3c 19 8c e8 c2 61 1d ff 90 0f 0b e8 4a 17 be ff 4c 89 ef 48 c7 c6 40 31 19 8c e8 ab 61 1d ff 90 <0f> 0b e8 33 17 be ff 4c 89 ef 48 c7 c6 80 3c 19 8c e8 94 61 1d ff
RSP: 0018:ffffc9001316f1e0 EFLAGS: 00010246
RAX: a9bf026e1344ee00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: ffffc9000dfea000 RSI: ffffffff8e6a1508 RDI: ffff888028be9f40
RBP: ffffc9001316f358 R08: ffff8880b8624ad3 R09: 1ffff110170c495a
R10: dffffc0000000000 R11: ffffed10170c495b R12: ffff888026a320d8
R13: ffffea0000eb4440 R14: 0000000000000002 R15: dffffc0000000000
FS:  00007f96582ef6c0(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005559583b5950 CR3: 0000000092b6c000 CR4: 00000000003526f0