loop0: detected capacity change from 0 to 32768 XFS (loop0): Mounting V5 Filesystem c496e05e-540d-4c72-b591-04d79d8b4eeb XFS (loop0): Ending clean mount XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x1f pfn:0x3ba memcg:ffff88803ca70a80 flags: 0x7ff00000000001(locked|node=0|zone=0|lastcpupid=0x7ff) raw: 007ff00000000001 0000000000000000 dead000000000122 0000000000000000 raw: 000000000000001f 0000000000000000 00000001ffffffff ffff88803ca70a80 page dumped because: VM_BUG_ON_FOLIO(folio_order(folio) < mapping_min_folio_order(mapping)) page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5314, tgid 5313 (syz.0.0), ts 96642351502 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436 alloc_pages_mpol+0x21e/0x390 mm/mempolicy.c:2486 alloc_frozen_pages_noprof mm/mempolicy.c:2557 [inline] alloc_pages_noprof+0xb1/0x2b0 mm/mempolicy.c:2577 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2587 filemap_alloc_folio_noprof+0x111/0x460 mm/filemap.c:1019 ractl_alloc_folio mm/readahead.c:200 [inline] ra_alloc_folio mm/readahead.c:463 [inline] page_cache_ra_order+0x569/0xee0 mm/readahead.c:535 filemap_get_pages+0x4a9/0x1ec0 mm/filemap.c:2714 filemap_splice_read+0x61b/0xd60 mm/filemap.c:3103 do_splice_read fs/splice.c:980 [inline] splice_direct_to_actor+0x48b/0xcb0 fs/splice.c:1084 do_splice_direct_actor fs/splice.c:1202 [inline] do_splice_direct+0x195/0x290 fs/splice.c:1228 do_sendfile+0x52e/0x7c0 fs/read_write.c:1371 __do_sys_sendfile64 fs/read_write.c:1432 [inline] __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1418 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5315 tgid 5313 ts 96639261460 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] free_unref_folios+0xdc2/0x14e0 mm/page_alloc.c:3022 folios_put_refs+0x9e9/0xb30 mm/folio.c:1036 folio_batch_release include/linux/folio_batch.h:101 [inline] truncate_inode_pages_range+0x3ca/0xd80 mm/truncate.c:408 kill_bdev block/bdev.c:90 [inline] set_blocksize+0x2ce/0x440 block/bdev.c:206 blkdev_bszset+0x1b2/0x230 block/ioctl.c:641 blkdev_ioctl+0x2c7/0x740 block/ioctl.c:780 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:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:859! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858 Code: ff 4c 89 f7 48 c7 c6 c0 25 19 8c e8 2e e1 1d ff 90 0f 0b e8 d6 ab bd ff 48 8b 7c 24 20 48 c7 c6 80 1a 19 8c e8 15 e1 1d ff 90 <0f> 0b e8 bd ab bd ff 4c 89 f7 48 c7 c6 c0 25 19 8c e8 fe e0 1d ff RSP: 0018:ffffc9000df2f2a0 EFLAGS: 00010246 RAX: 1e34601206fbd100 RBX: 0000000000000000 RCX: ffffffff9a9f6501 RDX: 0000000000000001 RSI: ffffffff8e4199d8 RDI: 00000000ffffffff RBP: ffffc9000df2f438 R08: ffffffff907a867f R09: 1ffffffff20f50cf R10: dffffc0000000000 R11: fffffbfff20f50d0 R12: dffffc0000000000 R13: ffff8880321b08c0 R14: 0000000000000002 R15: ffff8880321b09d8 FS: 00007f8068d9d6c0(0000) GS:ffff88808c2be000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8068175d30 CR3: 000000000bf04000 CR4: 0000000000352ef0 Call Trace: filemap_add_folio+0x251/0x4e0 mm/filemap.c:972 ra_alloc_folio mm/readahead.c:470 [inline] page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535 filemap_get_pages+0x4a9/0x1ec0 mm/filemap.c:2714 filemap_splice_read+0x61b/0xd60 mm/filemap.c:3103 do_splice_read fs/splice.c:980 [inline] splice_direct_to_actor+0x48b/0xcb0 fs/splice.c:1084 do_splice_direct_actor fs/splice.c:1202 [inline] do_splice_direct+0x195/0x290 fs/splice.c:1228 do_sendfile+0x52e/0x7c0 fs/read_write.c:1371 __do_sys_sendfile64 fs/read_write.c:1432 [inline] __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1418 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8067f9e159 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:00007f8068d9cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f8068225fa0 RCX: 00007f8067f9e159 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: 00007f806803506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8068226038 R14: 00007f8068225fa0 R15: 00007ffed72690d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858 Code: ff 4c 89 f7 48 c7 c6 c0 25 19 8c e8 2e e1 1d ff 90 0f 0b e8 d6 ab bd ff 48 8b 7c 24 20 48 c7 c6 80 1a 19 8c e8 15 e1 1d ff 90 <0f> 0b e8 bd ab bd ff 4c 89 f7 48 c7 c6 c0 25 19 8c e8 fe e0 1d ff RSP: 0018:ffffc9000df2f2a0 EFLAGS: 00010246 RAX: 1e34601206fbd100 RBX: 0000000000000000 RCX: ffffffff9a9f6501 RDX: 0000000000000001 RSI: ffffffff8e4199d8 RDI: 00000000ffffffff RBP: ffffc9000df2f438 R08: ffffffff907a867f R09: 1ffffffff20f50cf R10: dffffc0000000000 R11: fffffbfff20f50d0 R12: dffffc0000000000 R13: ffff8880321b08c0 R14: 0000000000000002 R15: ffff8880321b09d8 FS: 00007f8068d9d6c0(0000) GS:ffff88808c2be000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8068d556a0 CR3: 000000000bf04000 CR4: 0000000000352ef0