loop0: detected capacity change from 0 to 32768 XFS: ikeep mount option is deprecated. XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Ending clean mount XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. BUG: Bad page state in process syz.0.0 pfn:54a01 page does not match folio page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x54a01 ksm flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001528000 00000000ffffffff ffffffffffffffff raw: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_WRITE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5323, tgid 5321 (syz.0.0), ts 68473143491, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1717 prep_new_page mm/page_alloc.c:1725 [inline] get_page_from_freelist+0x352b/0x36c0 mm/page_alloc.c:3652 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4934 alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2392 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2402 filemap_alloc_folio_noprof+0xe4/0x550 mm/filemap.c:1007 __filemap_get_folio+0x423/0xb40 mm/filemap.c:1969 iomap_get_folio fs/iomap/buffered-io.c:606 [inline] __iomap_get_folio fs/iomap/buffered-io.c:752 [inline] iomap_write_begin+0x4f1/0x1a40 fs/iomap/buffered-io.c:795 iomap_write_iter fs/iomap/buffered-io.c:952 [inline] iomap_file_buffered_write+0x77a/0x13c0 fs/iomap/buffered-io.c:1033 xfs_file_buffered_write+0x24d/0x930 fs/xfs/xfs_file.c:910 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x70f/0xd10 fs/read_write.c:684 ksys_write+0x19d/0x2d0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-13443-g56f944529ec2 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:505 free_tail_page_prepare+0x2a0/0x4d0 mm/page_alloc.c:-1 free_pages_prepare mm/page_alloc.c:1238 [inline] __free_frozen_pages+0x8ab/0x10a0 mm/page_alloc.c:2680 __folio_put+0x2b5/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x927/0xa90 mm/filemap.c:339 truncate_inode_pages_range+0x36d/0x10e0 mm/truncate.c:376 truncate_inode_pages mm/truncate.c:456 [inline] truncate_pagecache mm/truncate.c:765 [inline] truncate_setsize+0xcf/0xf0 mm/truncate.c:790 xfs_setattr_size+0x622/0x10b0 fs/xfs/xfs_iops.c:961 xfs_vn_setattr+0x25f/0x320 fs/xfs/xfs_iops.c:1106 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x222/0x310 fs/open.c:65 handle_truncate fs/namei.c:3466 [inline] do_open fs/namei.c:3849 [inline] path_openat+0x2e4f/0x35d0 fs/namei.c:4004 do_filp_open+0x284/0x4e0 fs/namei.c:4031 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_creat fs/open.c:1522 [inline] __se_sys_creat fs/open.c:1516 [inline] __x64_sys_creat+0x124/0x170 fs/open.c:1516 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa6b338d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa6b422d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fa6b35a6080 RCX: 00007fa6b338d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040 RBP: 00007fa6b340e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa6b35a6080 R15: 00007ffd31b8aca8 BUG: Bad page state in process syz.0.0 pfn:54a00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x54a00 head: order:0 mapcount:0 entire_mapcount:1 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 00000000ffffffff 0000000000000000 head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_WRITE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5323, tgid 5321 (syz.0.0), ts 68473143491, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1717 prep_new_page mm/page_alloc.c:1725 [inline] get_page_from_freelist+0x352b/0x36c0 mm/page_alloc.c:3652 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4934 alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2392 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2402 filemap_alloc_folio_noprof+0xe4/0x550 mm/filemap.c:1007 __filemap_get_folio+0x423/0xb40 mm/filemap.c:1969 iomap_get_folio fs/iomap/buffered-io.c:606 [inline] __iomap_get_folio fs/iomap/buffered-io.c:752 [inline] iomap_write_begin+0x4f1/0x1a40 fs/iomap/buffered-io.c:795 iomap_write_iter fs/iomap/buffered-io.c:952 [inline] iomap_file_buffered_write+0x77a/0x13c0 fs/iomap/buffered-io.c:1033 xfs_file_buffered_write+0x24d/0x930 fs/xfs/xfs_file.c:910 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x70f/0xd10 fs/read_write.c:684 ksys_write+0x19d/0x2d0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Tainted: G B 6.14.0-syzkaller-13443-g56f944529ec2 #0 PREEMPT(full) Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:505 free_page_is_bad mm/page_alloc.c:948 [inline] free_pages_prepare mm/page_alloc.c:1254 [inline] __free_frozen_pages+0x1040/0x10a0 mm/page_alloc.c:2680 __folio_put+0x2b5/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x927/0xa90 mm/filemap.c:339 truncate_inode_pages_range+0x36d/0x10e0 mm/truncate.c:376 truncate_inode_pages mm/truncate.c:456 [inline] truncate_pagecache mm/truncate.c:765 [inline] truncate_setsize+0xcf/0xf0 mm/truncate.c:790 xfs_setattr_size+0x622/0x10b0 fs/xfs/xfs_iops.c:961 xfs_vn_setattr+0x25f/0x320 fs/xfs/xfs_iops.c:1106 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x222/0x310 fs/open.c:65 handle_truncate fs/namei.c:3466 [inline] do_open fs/namei.c:3849 [inline] path_openat+0x2e4f/0x35d0 fs/namei.c:4004 do_filp_open+0x284/0x4e0 fs/namei.c:4031 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_creat fs/open.c:1522 [inline] __se_sys_creat fs/open.c:1516 [inline] __x64_sys_creat+0x124/0x170 fs/open.c:1516 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa6b338d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa6b422d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fa6b35a6080 RCX: 00007fa6b338d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040 RBP: 00007fa6b340e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa6b35a6080 R15: 00007ffd31b8aca8