reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] free_unref_folios+0xed5/0x16d0 mm/page_alloc.c:3040 folios_put_refs+0x789/0x8d0 mm/swap.c:1002 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x3dd/0xe30 mm/truncate.c:408 kill_bdev block/bdev.c:91 [inline] set_blocksize+0x2ce/0x440 block/bdev.c:207 blkdev_bszset+0x1b2/0x230 block/ioctl.c:647 blkdev_ioctl+0x2c7/0x740 block/ioctl.c:786 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 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 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:859! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 19469 Comm: syz.7.3499 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+0x1204/0x13a0 mm/filemap.c:858 Code: 5d c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 24 d5 27 ff 90 0f 0b e8 0c 5d c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 0d d5 27 ff 90 <0f> 0b e8 f5 5c c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 f6 d4 27 ff RSP: 0018:ffffc9000c6f7140 EFLAGS: 00010246 RAX: 39a9f202582d0900 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8def3175 RDI: 00000000ffffffff RBP: ffffc9000c6f72c0 R08: ffffffff90118eb7 R09: 1ffffffff20231d6 R10: dffffc0000000000 R11: fffffbfff20231d7 R12: ffffea000110a7c0 R13: dffffc0000000000 R14: ffff888023a94200 R15: 0000000000000004 FS: 00007f6302f976c0(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000034000 CR3: 000000003d540000 CR4: 00000000003526f0 DR0: 0000000000000007 DR1: 0000000000000005 DR2: 0000000000000006 DR3: 0000000000007fff DR6: 00000000ffff0ff0 DR7: 0000000000000400 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 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3405 filemap_fault+0x6e2/0x1320 mm/filemap.c:3554 __do_fault+0x138/0x390 mm/memory.c:5364 do_shared_fault mm/memory.c:5863 [inline] do_fault mm/memory.c:5937 [inline] do_pte_missing+0x5c4/0x3750 mm/memory.c:4477 handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault mm/memory.c:6455 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x165b/0x29d0 mm/gup.c:1428 __get_user_pages_locked mm/gup.c:1692 [inline] faultin_page_range+0x240/0x8c0 mm/gup.c:1912 madvise_populate mm/madvise.c:974 [inline] madvise_do_behavior+0x2e5/0x540 mm/madvise.c:1933 do_madvise+0x1fa/0x2e0 mm/madvise.c:2028 __do_sys_madvise mm/madvise.c:2037 [inline] __se_sys_madvise mm/madvise.c:2035 [inline] __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2035 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: 0033:0x7f630219bf79 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:00007f6302f97028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f6302416180 RCX: 00007f630219bf79 RDX: 0000000000000017 RSI: 0000000000800000 RDI: 00002000000ec000 RBP: 00007f63022327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6302416218 R14: 00007f6302416180 R15: 00007fff2de235d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x1204/0x13a0 mm/filemap.c:858 Code: 5d c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 24 d5 27 ff 90 0f 0b e8 0c 5d c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 0d d5 27 ff 90 <0f> 0b e8 f5 5c c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 f6 d4 27 ff RSP: 0018:ffffc9000c6f7140 EFLAGS: 00010246 RAX: 39a9f202582d0900 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8def3175 RDI: 00000000ffffffff RBP: ffffc9000c6f72c0 R08: ffffffff90118eb7 R09: 1ffffffff20231d6 R10: dffffc0000000000 R11: fffffbfff20231d7 R12: ffffea000110a7c0 R13: dffffc0000000000 R14: ffff888023a94200 R15: 0000000000000004 FS: 00007f6302f976c0(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000034000 CR3: 000000003d540000 CR4: 00000000003526f0 DR0: 0000000000000007 DR1: 0000000000000005 DR2: 0000000000000006 DR3: 0000000000007fff DR6: 00000000ffff0ff0 DR7: 0000000000000400