faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1178/0x32a0 mm/gup.c:1428 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860 __mm_populate+0x107/0x3a0 mm/gup.c:1963 page last free pid 3354 tgid 3353 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1406 [inline] free_unref_folios+0xa44/0x1710 mm/page_alloc.c:3011 folios_put_refs+0x585/0xaa0 mm/swap.c:1057 folio_batch_release include/linux/folio_batch.h:101 [inline] truncate_inode_pages_range+0x30c/0x1050 mm/truncate.c:408 kill_bdev block/bdev.c:91 [inline] set_blocksize+0x2d1/0x460 block/bdev.c:207 blkdev_bszset+0x19b/0x240 block/ioctl.c:640 blkdev_ioctl+0x513/0x6f0 block/ioctl.c:779 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:858! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 3355 Comm: syz.5.7897 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:__filemap_add_folio+0xfc2/0x12a0 mm/filemap.c:858 Code: 50 c1 ff 48 c7 c6 e0 92 dd 8b 4c 89 ef e8 c6 ea 12 00 90 0f 0b e8 fe 4f c1 ff 48 c7 c6 40 93 dd 8b 4c 89 ef e8 af ea 12 00 90 <0f> 0b e8 e7 4f c1 ff 48 c7 c6 c0 93 dd 8b 4c 89 ef e8 98 ea 12 00 RSP: 0018:ffffc9000691f3f8 EFLAGS: 00010246 RAX: 0000000000080000 RBX: 0000000000112c00 RCX: ffffc9001b708000 RDX: 0000000000080000 RSI: ffffffff825b1b68 RDI: ffff88801fbbcf44 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000004 R13: ffffea00011ad0c0 R14: 000000000001a570 R15: 0000000000000000 FS: 00007f2d8f2a26c0(0000) GS:ffff8881241e0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fca0ed2cf00 CR3: 00000000754c3000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0x1d3/0x630 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:470 [inline] page_cache_ra_order+0x602/0xed0 mm/readahead.c:535 do_sync_mmap_readahead mm/filemap.c:3428 [inline] filemap_fault+0x1943/0x3130 mm/filemap.c:3582 __do_fault+0x10b/0x440 mm/memory.c:5425 do_read_fault mm/memory.c:5860 [inline] do_fault+0xa99/0x1750 mm/memory.c:5994 do_pte_missing mm/memory.c:4566 [inline] handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1178/0x32a0 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:4171 [inline] vm_mmap_pgoff+0x37f/0x470 mm/util.c:586 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606 __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+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2d8e39ce59 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:00007f2d8f2a2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f2d8e616090 RCX: 00007f2d8e39ce59 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f2d8e432e6f R08: 0000000000000005 R09: 000000001a580000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2d8e616128 R14: 00007f2d8e616090 R15: 00007fffc14c33e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0xfc2/0x12a0 mm/filemap.c:858 Code: 50 c1 ff 48 c7 c6 e0 92 dd 8b 4c 89 ef e8 c6 ea 12 00 90 0f 0b e8 fe 4f c1 ff 48 c7 c6 40 93 dd 8b 4c 89 ef e8 af ea 12 00 90 <0f> 0b e8 e7 4f c1 ff 48 c7 c6 c0 93 dd 8b 4c 89 ef e8 98 ea 12 00 RSP: 0018:ffffc9000691f3f8 EFLAGS: 00010246 RAX: 0000000000080000 RBX: 0000000000112c00 RCX: ffffc9001b708000 RDX: 0000000000080000 RSI: ffffffff825b1b68 RDI: ffff88801fbbcf44 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000004 R13: ffffea00011ad0c0 R14: 000000000001a570 R15: 0000000000000000 FS: 00007f2d8f2a26c0(0000) GS:ffff8881241e0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33204ff8 CR3: 00000000754c3000 CR4: 00000000003526f0