delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 24944 Comm: syz.1.8704 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 93 c5 ff 4c 89 e7 48 c7 c6 a0 a7 d7 8b e8 8c c1 27 ff 90 0f 0b e8 04 93 c5 ff 4c 89 e7 48 c7 c6 40 9c d7 8b e8 75 c1 27 ff 90 <0f> 0b e8 ed 92 c5 ff 4c 89 e7 48 c7 c6 a0 a7 d7 8b e8 5e c1 27 ff
RSP: 0018:ffffc9000cda71e0 EFLAGS: 00010246
RAX: 319951f971576e00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e00660b RDI: 00000000ffffffff
RBP: ffffc9000cda7360 R08: ffffffff903330b7 R09: 1ffffffff2066616
R10: dffffc0000000000 R11: fffffbfff2066617 R12: ffffea0001430c80
R13: dffffc0000000000 R14: ffffea0001430c88 R15: 0000000000000004
FS:  00007fcc7bc2b6c0(0000) GS:ffff888125118000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffde620b0d8 CR3: 000000004e8c0000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000800200
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x264/0x530 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x6b5/0xeb0 mm/readahead.c:515
 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
 filemap_fault+0x6e2/0x1320 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5365
 do_cow_fault mm/memory.c:5830 [inline]
 do_fault mm/memory.c:5936 [inline]
 do_pte_missing+0x1006/0x3750 mm/memory.c:4479
 handle_pte_fault mm/memory.c:6318 [inline]
 __handle_mm_fault mm/memory.c:6456 [inline]
 handle_mm_fault+0x1bec/0x3310 mm/memory.c:6625
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x165b/0x29d0 mm/gup.c:1428
 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860
 __mm_populate+0x25f/0x390 mm/gup.c:1963
 mm_populate include/linux/mm.h:3899 [inline]
 vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586
 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc7ad9aeb9
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:00007fcc7bc2b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fcc7b016180 RCX: 00007fcc7ad9aeb9
RDX: 0000000002000007 RSI: 0000000000003000 RDI: 0000200000888000
RBP: 00007fcc7ae08c1f R08: 0000000000000007 R09: 0000000000000000
R10: 0000000004002012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcc7b016218 R14: 00007fcc7b016180 R15: 00007ffdc114db68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 93 c5 ff 4c 89 e7 48 c7 c6 a0 a7 d7 8b e8 8c c1 27 ff 90 0f 0b e8 04 93 c5 ff 4c 89 e7 48 c7 c6 40 9c d7 8b e8 75 c1 27 ff 90 <0f> 0b e8 ed 92 c5 ff 4c 89 e7 48 c7 c6 a0 a7 d7 8b e8 5e c1 27 ff
RSP: 0018:ffffc9000cda71e0 EFLAGS: 00010246
RAX: 319951f971576e00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e00660b RDI: 00000000ffffffff
RBP: ffffc9000cda7360 R08: ffffffff903330b7 R09: 1ffffffff2066616
R10: dffffc0000000000 R11: fffffbfff2066617 R12: ffffea0001430c80
R13: dffffc0000000000 R14: ffffea0001430c88 R15: 0000000000000004
FS:  00007fcc7bc2b6c0(0000) GS:ffff888125018000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f311c1e3358 CR3: 000000004e8c0000 CR4: 00000000003526f0