reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 vfree+0x25a/0x400 mm/vmalloc.c:3479 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: 0 UID: 0 PID: 23292 Comm: syz.6.4827 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: 5d c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 dc 89 27 ff 90 0f 0b e8 b4 5d c5 ff 4c 89 e7 48 c7 c6 80 9a d7 8b e8 c5 89 27 ff 90 <0f> 0b e8 9d 5d c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 ae 89 27 ff RSP: 0018:ffffc9000582f280 EFLAGS: 00010246 RAX: 9c4ea4fdfb701800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e01014a RDI: 00000000ffffffff RBP: ffffc9000582f400 R08: ffffffff903393b7 R09: 1ffffffff2067276 R10: dffffc0000000000 R11: fffffbfff2067277 R12: ffffea0001edaf80 R13: dffffc0000000000 R14: ffffea0001edaf88 R15: 0000000000000004 FS: 00007ff91ba166c0(0000) GS:ffff88812500e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5fddf16ff8 CR3: 0000000077b3c000 CR4: 00000000003526f0 Call Trace: 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 filemap_get_pages+0x4c0/0x1f10 mm/filemap.c:2695 filemap_splice_read+0x5cd/0xd10 mm/filemap.c:3084 do_splice_read fs/splice.c:982 [inline] splice_direct_to_actor+0x478/0xc70 fs/splice.c:1086 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x195/0x290 fs/splice.c:1230 do_sendfile+0x535/0x7d0 fs/read_write.c:1372 __do_sys_sendfile64 fs/read_write.c:1433 [inline] __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1419 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: 0033:0x7ff91ab9bf79 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:00007ff91ba16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007ff91ae15fa0 RCX: 00007ff91ab9bf79 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007ff91ac327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff91ae16038 R14: 00007ff91ae15fa0 R15: 00007ffdb864f1b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: 5d c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 dc 89 27 ff 90 0f 0b e8 b4 5d c5 ff 4c 89 e7 48 c7 c6 80 9a d7 8b e8 c5 89 27 ff 90 <0f> 0b e8 9d 5d c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 ae 89 27 ff RSP: 0018:ffffc9000582f280 EFLAGS: 00010246 RAX: 9c4ea4fdfb701800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e01014a RDI: 00000000ffffffff RBP: ffffc9000582f400 R08: ffffffff903393b7 R09: 1ffffffff2067276 R10: dffffc0000000000 R11: fffffbfff2067277 R12: ffffea0001edaf80 R13: dffffc0000000000 R14: ffffea0001edaf88 R15: 0000000000000004 FS: 00007ff91ba166c0(0000) GS:ffff88812500e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5fddf16ff8 CR3: 0000000077b3c000 CR4: 00000000003526f0