BUG: Bad page state in process syz-executor103 pfn:49201 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49201 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001248001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001248001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5308, tgid 5308 (syz-executor103), ts 77632996816, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Not tainted 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:49200 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49200 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5308, tgid 5308 (syz-executor103), ts 77632996816, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:49801 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49801 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001260001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001260001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5318, tgid 5318 (syz-executor103), ts 78430745608, free_ts 78147857720 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:49800 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49800 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5318, tgid 5318 (syz-executor103), ts 78430745608, free_ts 78147857720 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:48e01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x48e01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001238001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001238001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5327, tgid 5327 (syz-executor103), ts 79231960606, free_ts 78985438915 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x593/0x1820 mm/shmem.c:1112 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:48e00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x48e00 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5327, tgid 5327 (syz-executor103), ts 79231960606, free_ts 78985442627 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x593/0x1820 mm/shmem.c:1112 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:49c01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49c01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001270001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001270001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5336, tgid 5336 (syz-executor103), ts 80042017657, free_ts 79619246789 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:49c00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49c00 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5336, tgid 5336 (syz-executor103), ts 80042017657, free_ts 79619246789 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:48a01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x48a01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001228001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001228001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5345, tgid 5345 (syz-executor103), ts 80845667040, free_ts 80614298234 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x593/0x1820 mm/shmem.c:1112 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:48a00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x48a00 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5345, tgid 5345 (syz-executor103), ts 80845667040, free_ts 80614302139 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x593/0x1820 mm/shmem.c:1112 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4a001 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a001 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001280001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001280001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5354, tgid 5354 (syz-executor103), ts 81729362619, free_ts 81316061393 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4a000 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a000 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5354, tgid 5354 (syz-executor103), ts 81729362619, free_ts 81316061393 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4a201 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a201 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001288001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001288001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5363, tgid 5363 (syz-executor103), ts 82593555488, free_ts 82166425915 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4a200 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a200 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5363, tgid 5363 (syz-executor103), ts 82593555488, free_ts 82166425915 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4a401 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a401 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001290001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001290001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5372, tgid 5372 (syz-executor103), ts 83440785069, free_ts 83008722090 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4a400 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a400 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5372, tgid 5372 (syz-executor103), ts 83440785069, free_ts 83008722090 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4a601 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a601 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001298001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001298001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5381, tgid 5381 (syz-executor103), ts 84211966103, free_ts 83830869281 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4a600 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a600 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5381, tgid 5381 (syz-executor103), ts 84211966103, free_ts 83830869281 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4a801 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a801 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012a0001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012a0001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5390, tgid 5390 (syz-executor103), ts 85010521184, free_ts 84603155790 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4a800 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a800 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5390, tgid 5390 (syz-executor103), ts 85010521184, free_ts 84603155790 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4aa01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4aa01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012a8001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012a8001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5399, tgid 5399 (syz-executor103), ts 85823062344, free_ts 85547397476 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4aa00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4aa00 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5399, tgid 5399 (syz-executor103), ts 85823062344, free_ts 85547397476 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4ac01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4ac01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012b0001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012b0001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5408, tgid 5408 (syz-executor103), ts 86637675883, free_ts 86235822566 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 BUG: Bad page state in process syz-executor103 pfn:4ac00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ac00 head: order:0 mapcount:0 entire_mapcount:0 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 ffffffffffffffff 0000000000000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5408, tgid 5408 (syz-executor103), ts 86637675883, free_ts 86235822566 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x1082/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8e4b7c5687 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd353e4cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8e4b7c5687 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd353e4d90 RBP: 00007ffd353e4d90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd353e5e00 R13: 000055558240f6c0 R14: 431bde82d7b634db R15: 00007ffd353e5e20 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: Bad page state in process syz-executor103 pfn:4ae01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4ae01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012b8001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012b8001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 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_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5417, tgid 5417 (syz-executor103), ts 87486653465, free_ts 87050376508 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x4d3/0x1990 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x6ea/0x11c0 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2cd/0xb20 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5307 tgid 5307 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707 folios_put_refs+0x76c/0x860 mm/swap.c:994 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 evict+0x4fd/0x9a0 fs/inode.c:798 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2111 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5307 Comm: syz-executor103 Tainted: G B 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 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:501 free_tail_page_prepare+0x2ab/0x4b0 free_pages_prepare mm/page_alloc.c:1103 [inline] free_frozen_pages+0x8b5/0x10e0 mm/page_alloc.c:2660 __folio_put+0x2b3/0x360 mm/swap.c:112 delete_from_page_cache_batch+0x8f5/0xa60 mm/filemap.c:342 truncate_inode_pages_range+0x36b/0x10e0 mm/truncate.c:327 evict+0x4fd/0x9a0 fs/inode.c:798