BUG: Bad page state in process syz.0.44 pfn:79fed
page:ffffea0001e7fb40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x12b pfn:0x79fed
flags: 0xfff18000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff18000002046 ffffea0001e7fb08 ffffc900059b7980 0000000000000000
raw: 000000000000012b ffff88807db5e9b0 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 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 4647, tgid 4645 (syz.0.44), ts 98161367020, free_ts 97712493252
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2532
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328
__alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5614
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x460 mm/filemap.c:999
__filemap_get_folio+0x697/0xdd0 mm/filemap.c:1993
pagecache_get_page+0x26/0x250 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:646 [inline]
grab_cache_page include/linux/pagemap.h:778 [inline]
__get_metapage+0x2a4/0xfa0 fs/jfs/jfs_metapage.c:613
xtSplitPage+0x238/0x1c10 fs/jfs/jfs_xtree.c:974
xtSplitUp+0x293/0x1c20 fs/jfs/jfs_xtree.c:771
xtInsert+0x455/0xbb0 fs/jfs/jfs_xtree.c:593
extAlloc+0x9f6/0xf30 fs/jfs/jfs_extent.c:145
jfs_get_block+0x343/0xab0 fs/jfs/inode.c:248
get_more_blocks fs/direct-io.c:665 [inline]
do_direct_IO fs/direct-io.c:953 [inline]
__blockdev_direct_IO+0x16a9/0x3450 fs/direct-io.c:1266
blockdev_direct_IO include/linux/fs.h:3342 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:336
generic_file_direct_write+0x3be/0x660 mm/filemap.c:3770
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1459 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x8b4/0x9a0 mm/page_alloc.c:3384
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3479
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3398 [inline]
__kmem_cache_alloc_node+0x140/0x260 mm/slub.c:3437
kmalloc_trace+0x26/0xe0 mm/slab_common.c:1026
kmalloc include/linux/slab.h:563 [inline]
btrfs_wq_submit_bio+0xa2/0x270 fs/btrfs/disk-io.c:687
btrfs_submit_data_write_bio+0x367/0x510 fs/btrfs/inode.c:2728
submit_one_bio+0x273/0x3b0 fs/btrfs/extent_io.c:135
submit_write_bio fs/btrfs/extent_io.c:160 [inline]
extent_writepages+0x10db/0x1410 fs/btrfs/extent_io.c:3314
do_writepages+0x3b7/0x610 mm/page-writeback.c:2491
filemap_fdatawrite_wbc+0x11e/0x180 mm/filemap.c:388
__filemap_fdatawrite_range mm/filemap.c:421 [inline]
__filemap_fdatawrite mm/filemap.c:427 [inline]
filemap_flush+0xc1/0x110 mm/filemap.c:454
btrfs_release_file+0xf8/0x110 fs/btrfs/file.c:1725
Modules linked in:
CPU: 1 PID: 4647 Comm: syz.0.44 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1452 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x42a/0x9a0 mm/page_alloc.c:3384
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3525
release_pages+0x1f92/0x2200 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x2f6/0xff0 mm/truncate.c:372
jfs_remount+0x337/0x5a0 fs/jfs/super.c:451
reconfigure_super+0x219/0x880 fs/super.c:977
vfs_fsconfig_locked+0x18d/0x3f0 fs/fsopen.c:254
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x61b/0x750 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff0ead8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff0ebc2f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ff0eafb5fa0 RCX: 00007ff0ead8e929
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007
RBP: 00007ff0eae10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff0eafb5fa0 R15: 00007ffe2002a628
BUG: Bad page state in process syz.0.44 pfn:79fec
page:ffffea0001e7fb00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x34 pfn:0x79fec
flags: 0xfff18000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff18000002046 ffffea00014d0048 ffffc900059b7980 0000000000000000
raw: 0000000000000034 ffff88807db5e7c0 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 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 4647, tgid 4645 (syz.0.44), ts 98129130766, free_ts 97712493252
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2532
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328
__alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5614
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x460 mm/filemap.c:999
__filemap_get_folio+0x697/0xdd0 mm/filemap.c:1993
pagecache_get_page+0x26/0x250 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:646 [inline]
grab_cache_page include/linux/pagemap.h:778 [inline]
__get_metapage+0x2a4/0xfa0 fs/jfs/jfs_metapage.c:613
xtSplitRoot+0xd9/0xdd0 fs/jfs/jfs_xtree.c:1227
xtSplitUp+0x2b2/0x1c20 fs/jfs/jfs_xtree.c:770
xtInsert+0x455/0xbb0 fs/jfs/jfs_xtree.c:593
extAlloc+0x9f6/0xf30 fs/jfs/jfs_extent.c:145
jfs_get_block+0x343/0xab0 fs/jfs/inode.c:248
get_more_blocks fs/direct-io.c:665 [inline]
do_direct_IO fs/direct-io.c:953 [inline]
__blockdev_direct_IO+0x16a9/0x3450 fs/direct-io.c:1266
blockdev_direct_IO include/linux/fs.h:3342 [inline]
jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:336
generic_file_direct_write+0x3be/0x660 mm/filemap.c:3770
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1459 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x8b4/0x9a0 mm/page_alloc.c:3384
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3479
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3398 [inline]
__kmem_cache_alloc_node+0x140/0x260 mm/slub.c:3437
kmalloc_trace+0x26/0xe0 mm/slab_common.c:1026
kmalloc include/linux/slab.h:563 [inline]
btrfs_wq_submit_bio+0xa2/0x270 fs/btrfs/disk-io.c:687
btrfs_submit_data_write_bio+0x367/0x510 fs/btrfs/inode.c:2728
submit_one_bio+0x273/0x3b0 fs/btrfs/extent_io.c:135
submit_write_bio fs/btrfs/extent_io.c:160 [inline]
extent_writepages+0x10db/0x1410 fs/btrfs/extent_io.c:3314
do_writepages+0x3b7/0x610 mm/page-writeback.c:2491
filemap_fdatawrite_wbc+0x11e/0x180 mm/filemap.c:388
__filemap_fdatawrite_range mm/filemap.c:421 [inline]
__filemap_fdatawrite mm/filemap.c:427 [inline]
filemap_flush+0xc1/0x110 mm/filemap.c:454
btrfs_release_file+0xf8/0x110 fs/btrfs/file.c:1725
Modules linked in:
CPU: 0 PID: 4647 Comm: syz.0.44 Tainted: G B 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1452 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x42a/0x9a0 mm/page_alloc.c:3384
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3525
release_pages+0x1f92/0x2200 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x2f6/0xff0 mm/truncate.c:372
jfs_remount+0x337/0x5a0 fs/jfs/super.c:451
reconfigure_super+0x219/0x880 fs/super.c:977
vfs_fsconfig_locked+0x18d/0x3f0 fs/fsopen.c:254
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x61b/0x750 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff0ead8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff0ebc2f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ff0eafb5fa0 RCX: 00007ff0ead8e929
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007
RBP: 00007ff0eae10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff0eafb5fa0 R15: 00007ffe2002a628
BUG: Bad page state in process syz.0.44 pfn:53401
page:ffffea00014d0040 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x53401
flags: 0xfff08000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff08000002046 ffffea000180ea88 ffffc900059b7980 0000000000000000
raw: 000000000000001c ffff88807db5eaa8 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 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 4647, tgid 4645 (syz.0.44), ts 98072317898, free_ts 96858540111
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2532
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328
__alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5614
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x460 mm/filemap.c:999
do_read_cache_folio+0x1bb/0x760 mm/filemap.c:3591
do_read_cache_page+0x32/0x220 mm/filemap.c:3669
read_mapping_page include/linux/pagemap.h:791 [inline]
__get_metapage+0x316/0xfa0 fs/jfs/jfs_metapage.c:620
diRead+0x6f7/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x89/0x3c0 fs/jfs/inode.c:35
jfs_fill_super+0x708/0xac0 fs/jfs/super.c:580
mount_bdev+0x287/0x3c0 fs/super.c:1443
legacy_get_tree+0xe6/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x24a/0xa40 fs/namespace.c:3054
do_mount fs/namespace.c:3397 [inline]
__do_sys_mount fs/namespace.c:3605 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3582
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1459 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x8b4/0x9a0 mm/page_alloc.c:3384
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3525
release_pages+0x1f92/0x2200 mm/swap.c:1035
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu+0xff/0x210 mm/mmu_gather.c:261
tlb_finish_mmu+0xbd/0x1c0 mm/mmu_gather.c:361
exit_mmap+0x343/0x8e0 mm/mmap.c:3250
__mmput+0x118/0x3c0 kernel/fork.c:1200
exit_mm+0x1e6/0x2c0 kernel/exit.c:565
do_exit+0x8b9/0x2400 kernel/exit.c:858
do_group_exit+0x217/0x2d0 kernel/exit.c:1021
__do_sys_exit_group kernel/exit.c:1032 [inline]
__se_sys_exit_group kernel/exit.c:1030 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 4647 Comm: syz.0.44 Tainted: G B 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1452 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x42a/0x9a0 mm/page_alloc.c:3384
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3525
release_pages+0x1f92/0x2200 mm/swap.c:1035
__pagevec_release+0x6d/0xe0 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x2f6/0xff0 mm/truncate.c:372
jfs_remount+0x337/0x5a0 fs/jfs/super.c:451
reconfigure_super+0x219/0x880 fs/super.c:977
vfs_fsconfig_locked+0x18d/0x3f0 fs/fsopen.c:254
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x61b/0x750 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff0ead8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff0ebc2f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ff0eafb5fa0 RCX: 00007ff0ead8e929
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007
RBP: 00007ff0eae10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff0eafb5fa0 R15: 00007ffe2002a628