handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
page last free pid 6635 tgid 6633 ts 163106200689 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_unref_folios+0xa4a/0x1790 mm/page_alloc.c:3022
 folios_put_refs+0x585/0xaa0 mm/folio.c:1036
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 truncate_inode_pages_range+0x30c/0x1040 mm/truncate.c:408
 kill_bdev block/bdev.c:90 [inline]
 set_blocksize+0x2d1/0x460 block/bdev.c:206
 blkdev_bszset+0x19b/0x240 block/ioctl.c:641
 blkdev_ioctl+0x513/0x6f0 block/ioctl.c:780
 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:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 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: 0 UID: 0 PID: 6633 Comm: syz.4.262 Tainted: G                   Y syzkaller #0 PREEMPT(full) 
Tainted: [Y]=FORCED_BIND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026
RIP: 0010:__filemap_add_folio+0x1033/0x12f0 mm/filemap.c:858
Code: 4b bf ff 48 c7 c6 00 e8 fe 8b 4c 89 ef e8 85 fa 12 00 90 0f 0b e8 9d 4b bf ff 48 c7 c6 60 e8 fe 8b 4c 89 ef e8 6e fa 12 00 90 <0f> 0b e8 86 4b bf ff 90 0f 0b 90 e9 76 fe ff ff e8 78 4b bf ff 90
RSP: 0018:ffffc900066bf7d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802b233e80 RSI: ffffffff82601618 RDI: ffff88802b234344
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000e338c0 R14: 0000000000000000 R15: 1ffff92000cd7f26
FS:  0000555567293500(0000) GS:ffff88812292a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c6ce57ae0 CR3: 000000007622c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d3/0x640 mm/filemap.c:972
 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:3443 [inline]
 filemap_fault+0x1943/0x3130 mm/filemap.c:3597
 __do_fault+0x10b/0x440 mm/memory.c:5565
 do_shared_fault mm/memory.c:6064 [inline]
 do_fault+0x585/0x1830 mm/memory.c:6138
 do_pte_missing mm/memory.c:4700 [inline]
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault+0x150b/0x2f60 mm/memory.c:6707
 handle_mm_fault+0x363/0xa20 mm/memory.c:6876
 do_user_addr_fault+0x59c/0x12f0 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f3abe76dc88
Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5
RSP: 002b:00007fffc2b42748 EFLAGS: 00010202
RAX: 00002000000000c0 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 00002000000000c0
RBP: fffffffffffffffe R08: 0000001b32720000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 00007fffc2b42870
R13: 00007f3abea25fac R14: 0000000000027c22 R15: 00007fffc2b42850
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x1033/0x12f0 mm/filemap.c:858
Code: 4b bf ff 48 c7 c6 00 e8 fe 8b 4c 89 ef e8 85 fa 12 00 90 0f 0b e8 9d 4b bf ff 48 c7 c6 60 e8 fe 8b 4c 89 ef e8 6e fa 12 00 90 <0f> 0b e8 86 4b bf ff 90 0f 0b 90 e9 76 fe ff ff e8 78 4b bf ff 90
RSP: 0018:ffffc900066bf7d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802b233e80 RSI: ffffffff82601618 RDI: ffff88802b234344
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000e338c0 R14: 0000000000000000 R15: 1ffff92000cd7f26
FS:  0000555567293500(0000) GS:ffff88812292a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33713ff8 CR3: 000000007622c000 CR4: 0000000000350ef0