populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860 __mm_populate+0x25f/0x390 mm/gup.c:1963 page last free pid 14316 tgid 14315 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1432 [inline] free_unref_folios+0xda7/0x14d0 mm/page_alloc.c:3034 folios_put_refs+0x58a/0x680 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+0x2d7/0x490 block/bdev.c:207 blkdev_bszset+0x1b2/0x230 block/ioctl.c:635 blkdev_ioctl+0x2c7/0x740 block/ioctl.c:774 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+0xe2/0xf80 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: 1 UID: 0 PID: 14317 Comm: syz.7.2469 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:__filemap_add_folio+0x11bc/0x1300 mm/filemap.c:858 Code: 8a c6 ff 4c 89 e7 48 c7 c6 a0 bc b7 8b e8 1c 74 2b ff 90 0f 0b e8 04 8a c6 ff 4c 89 e7 48 c7 c6 40 b1 b7 8b e8 05 74 2b ff 90 <0f> 0b e8 ed 89 c6 ff 4c 89 e7 48 c7 c6 a0 bc b7 8b e8 ee 73 2b ff RSP: 0018:ffffc9000b8671e0 EFLAGS: 00010246 RAX: 35c0fb28da1ea300 RBX: 0000000000000000 RCX: 0000000000000046 RDX: 0000000000000001 RSI: ffffffff8e05b603 RDI: ffff88807976bc80 RBP: ffffc9000b867360 R08: ffff8880b85247d3 R09: 1ffff110170a48fa R10: dffffc0000000000 R11: ffffed10170a48fb R12: ffffea0001f40fc0 R13: dffffc0000000000 R14: ffffea0001f40fc8 R15: 0000000000000004 FS: 00007fa5c9cfa6c0(0000) GS:ffff88812539e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000e00000 CR3: 0000000052c26000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: filemap_add_folio+0x264/0x530 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:453 [inline] page_cache_ra_order+0x6a8/0xe50 mm/readahead.c:512 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400 filemap_fault+0x703/0x12e0 mm/filemap.c:3549 __do_fault+0x138/0x390 mm/memory.c:5362 do_read_fault mm/memory.c:5797 [inline] do_fault mm/memory.c:5931 [inline] do_pte_missing+0x2151/0x3220 mm/memory.c:4476 handle_pte_fault mm/memory.c:6315 [inline] __handle_mm_fault mm/memory.c:6453 [inline] handle_mm_fault+0x1b8c/0x32b0 mm/memory.c:6622 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:3688 [inline] vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:604 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa5c8d9acb9 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:00007fa5c9cfa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa5c9016090 RCX: 00007fa5c8d9acb9 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007fa5c8e08bf7 R08: 0000000000000004 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa5c9016128 R14: 00007fa5c9016090 R15: 00007ffea65cddd8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1300 mm/filemap.c:858 Code: 8a c6 ff 4c 89 e7 48 c7 c6 a0 bc b7 8b e8 1c 74 2b ff 90 0f 0b e8 04 8a c6 ff 4c 89 e7 48 c7 c6 40 b1 b7 8b e8 05 74 2b ff 90 <0f> 0b e8 ed 89 c6 ff 4c 89 e7 48 c7 c6 a0 bc b7 8b e8 ee 73 2b ff RSP: 0018:ffffc9000b8671e0 EFLAGS: 00010246 RAX: 35c0fb28da1ea300 RBX: 0000000000000000 RCX: 0000000000000046 RDX: 0000000000000001 RSI: ffffffff8e05b603 RDI: ffff88807976bc80 RBP: ffffc9000b867360 R08: ffff8880b85247d3 R09: 1ffff110170a48fa R10: dffffc0000000000 R11: ffffed10170a48fb R12: ffffea0001f40fc0 R13: dffffc0000000000 R14: ffffea0001f40fc8 R15: 0000000000000004 FS: 00007fa5c9cfa6c0(0000) GS:ffff88812539e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3b8852 CR3: 0000000052c26000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400