bpf_prog_free_deferred+0x53e/0x700 kernel/bpf/core.c:2968
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
 process_scheduled_works kernel/workqueue.c:3359 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 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:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 23720 Comm: syz.1.5266 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858
Code: 2e c5 ff 48 c7 c6 e0 39 bd 8b 4c 89 ef e8 d9 3f 12 00 90 0f 0b e8 11 2e c5 ff 48 c7 c6 40 3a bd 8b 4c 89 ef e8 c2 3f 12 00 90 <0f> 0b e8 fa 2d c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 ec 2d c5 ff 90
RSP: 0018:ffffc900040273f8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112cc0 RCX: ffffc9000f55b000
RDX: 0000000000080000 RSI: ffffffff82560f68 RDI: ffff88803394ce44
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004
R13: ffffea0000b226c0 R14: 0000000000000000 R15: 1ffff92000804ea9
FS:  00007f6db07736c0(0000) GS:ffff888124339000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b309feff8 CR3: 0000000065c7b000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf30 mm/readahead.c:515
 do_sync_mmap_readahead mm/filemap.c:3405 [inline]
 filemap_fault+0x191a/0x2eb0 mm/filemap.c:3554
 __do_fault+0x10d/0x550 mm/memory.c:5364
 do_read_fault mm/memory.c:5799 [inline]
 do_fault+0xabb/0x18e0 mm/memory.c:5933
 do_pte_missing mm/memory.c:4477 [inline]
 handle_pte_fault mm/memory.c:6317 [inline]
 __handle_mm_fault+0x1815/0x2b60 mm/memory.c:6455
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6624
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428
 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
 __mm_populate+0x107/0x3a0 mm/gup.c:1963
 mm_populate include/linux/mm.h:3894 [inline]
 vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x3c8/0x650 mm/mmap.c:605
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6daf99c819
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:00007f6db0773028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f6dafc15fa0 RCX: 00007f6daf99c819
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f6dafa32c91 R08: 0000000000000005 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6dafc16038 R14: 00007f6dafc15fa0 R15: 00007ffc1300d1b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858
Code: 2e c5 ff 48 c7 c6 e0 39 bd 8b 4c 89 ef e8 d9 3f 12 00 90 0f 0b e8 11 2e c5 ff 48 c7 c6 40 3a bd 8b 4c 89 ef e8 c2 3f 12 00 90 <0f> 0b e8 fa 2d c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 ec 2d c5 ff 90
RSP: 0018:ffffc900040273f8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112cc0 RCX: ffffc9000f55b000
RDX: 0000000000080000 RSI: ffffffff82560f68 RDI: ffff88803394ce44
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004
R13: ffffea0000b226c0 R14: 0000000000000000 R15: 1ffff92000804ea9
FS:  00007f6db07736c0(0000) GS:ffff888124439000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30915e92f8 CR3: 0000000065c7b000 CR4: 00000000003526f0