blkno = 8ed2c, nblocks = 1
ERROR: (device loop2): dbUpdatePMap: blocks are outside the map
ERROR: (device loop2): remounting filesystem as read-only
UFO tlock:0xffffc9000285a090
BUG: Bad page state in process syz.2.8 pfn:70260
page:ffffea0001c09800 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2f pfn:0x70260
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea0001dc27c8 ffffc90004b0f940 0000000000000000
raw: 000000000008ed2f ffff8880709656c8 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 5904, tgid 5903 (syz.2.8), ts 95190900606, free_ts 95173918770
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
__filemap_get_folio+0x3ee/0xbc0 mm/filemap.c:1962
pagecache_get_page+0x2a/0x250 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:755 [inline]
grab_cache_page include/linux/pagemap.h:877 [inline]
__get_metapage+0x2a8/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa81/0x3120 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe7a/0x1de0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1d5/0x1660 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x950 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x191/0xa30 fs/jfs/namei.c:225
vfs_mkdir+0x296/0x440 fs/namei.c:4113
do_mkdirat+0x1d4/0x440 fs/namei.c:4136
__do_sys_mkdirat fs/namei.c:4151 [inline]
__se_sys_mkdirat fs/namei.c:4149 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4149
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
discard_slab mm/slub.c:2122 [inline]
__unfreeze_partials+0x1cf/0x210 mm/slub.c:2662
put_cpu_partial+0x17c/0x250 mm/slub.c:2738
__slab_free+0x31d/0x410 mm/slub.c:3686
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
__kmem_cache_alloc_node+0x13e/0x260 mm/slub.c:3524
kmalloc_trace+0x2a/0xe0 mm/slab_common.c:1098
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:721 [inline]
btrfs_alloc_workqueue+0x61/0x2a0 fs/btrfs/async-thread.c:88
btrfs_init_workqueues+0x3ac/0x6c0 fs/btrfs/disk-io.c:1983
open_ctree+0x1130/0x2ce0 fs/btrfs/disk-io.c:3335
btrfs_fill_super+0x1c2/0x300 fs/btrfs/super.c:1163
btrfs_mount_root+0x8be/0x920 fs/btrfs/super.c:1527
Modules linked in:
CPU: 1 PID: 5904 Comm: syz.2.8 Not tainted 6.6.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:512
free_page_is_bad mm/page_alloc.c:961 [inline]
free_pages_prepare mm/page_alloc.c:1146 [inline]
free_unref_page_prepare+0x887/0x8e0 mm/page_alloc.c:2336
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475
release_pages+0x1fa0/0x2220 mm/swap.c:1022
__folio_batch_release+0x71/0xe0 mm/swap.c:1042
folio_batch_release include/linux/pagevec.h:83 [inline]
truncate_inode_pages_range+0x358/0xf00 mm/truncate.c:371
jfs_remount+0x33b/0x5b0 fs/jfs/super.c:451
reconfigure_super+0x21e/0x880 fs/super.c:1151
do_remount fs/namespace.c:2900 [inline]
path_mount+0xd19/0xfe0 fs/namespace.c:3685
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f271c78e929
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:00007f271d52f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f271c9b5fa0 RCX: 00007f271c78e929
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f271c810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f271c9b5fa0 R15: 00007ffd4fd7d418
BUG: Bad page state in process syz.2.8 pfn:7709f
page:ffffea0001dc27c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2e pfn:0x7709f
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea0001dc2808 ffffc90004b0f940 0000000000000000
raw: 000000000008ed2e ffff8880709655d0 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 5904, tgid 5903 (syz.2.8), ts 95190837479, free_ts 95173958467
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
__filemap_get_folio+0x3ee/0xbc0 mm/filemap.c:1962
pagecache_get_page+0x2a/0x250 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:755 [inline]
grab_cache_page include/linux/pagemap.h:877 [inline]
__get_metapage+0x2a8/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa81/0x3120 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe7a/0x1de0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1d5/0x1660 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x950 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x191/0xa30 fs/jfs/namei.c:225
vfs_mkdir+0x296/0x440 fs/namei.c:4113
do_mkdirat+0x1d4/0x440 fs/namei.c:4136
__do_sys_mkdirat fs/namei.c:4151 [inline]
__se_sys_mkdirat fs/namei.c:4149 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4149
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
__slab_free+0x35e/0x410 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
__kmem_cache_alloc_node+0x13e/0x260 mm/slub.c:3524
kmalloc_trace+0x2a/0xe0 mm/slab_common.c:1098
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:721 [inline]
btrfs_alloc_workqueue+0x61/0x2a0 fs/btrfs/async-thread.c:88
btrfs_init_workqueues+0x3ac/0x6c0 fs/btrfs/disk-io.c:1983
open_ctree+0x1130/0x2ce0 fs/btrfs/disk-io.c:3335
btrfs_fill_super+0x1c2/0x300 fs/btrfs/super.c:1163
btrfs_mount_root+0x8be/0x920 fs/btrfs/super.c:1527
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
Modules linked in:
CPU: 1 PID: 5904 Comm: syz.2.8 Tainted: G B 6.6.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:512
free_page_is_bad mm/page_alloc.c:961 [inline]
free_pages_prepare mm/page_alloc.c:1146 [inline]
free_unref_page_prepare+0x887/0x8e0 mm/page_alloc.c:2336
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475
release_pages+0x1fa0/0x2220 mm/swap.c:1022
__folio_batch_release+0x71/0xe0 mm/swap.c:1042
folio_batch_release include/linux/pagevec.h:83 [inline]
truncate_inode_pages_range+0x358/0xf00 mm/truncate.c:371
jfs_remount+0x33b/0x5b0 fs/jfs/super.c:451
reconfigure_super+0x21e/0x880 fs/super.c:1151
do_remount fs/namespace.c:2900 [inline]
path_mount+0xd19/0xfe0 fs/namespace.c:3685
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f271c78e929
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:00007f271d52f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f271c9b5fa0 RCX: 00007f271c78e929
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f271c810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f271c9b5fa0 R15: 00007ffd4fd7d418
BUG: Bad page state in process syz.2.8 pfn:770a0
page:ffffea0001dc2800 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2d pfn:0x770a0
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea0001ebd788 ffffc90004b0f940 0000000000000000
raw: 000000000008ed2d ffff8880709654d8 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 5904, tgid 5903 (syz.2.8), ts 95190769924, free_ts 95173976967
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
__filemap_get_folio+0x3ee/0xbc0 mm/filemap.c:1962
pagecache_get_page+0x2a/0x250 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:755 [inline]
grab_cache_page include/linux/pagemap.h:877 [inline]
__get_metapage+0x2a8/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa81/0x3120 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe7a/0x1de0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1d5/0x1660 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x950 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x191/0xa30 fs/jfs/namei.c:225
vfs_mkdir+0x296/0x440 fs/namei.c:4113
do_mkdirat+0x1d4/0x440 fs/namei.c:4136
__do_sys_mkdirat fs/namei.c:4151 [inline]
__se_sys_mkdirat fs/namei.c:4149 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4149
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
__slab_free+0x35e/0x410 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
__kmem_cache_alloc_node+0x13e/0x260 mm/slub.c:3524
kmalloc_trace+0x2a/0xe0 mm/slab_common.c:1098
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:721 [inline]
btrfs_alloc_workqueue+0x61/0x2a0 fs/btrfs/async-thread.c:88
btrfs_init_workqueues+0x3ac/0x6c0 fs/btrfs/disk-io.c:1983
open_ctree+0x1130/0x2ce0 fs/btrfs/disk-io.c:3335
btrfs_fill_super+0x1c2/0x300 fs/btrfs/super.c:1163
btrfs_mount_root+0x8be/0x920 fs/btrfs/super.c:1527
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
Modules linked in:
CPU: 1 PID: 5904 Comm: syz.2.8 Tainted: G B 6.6.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:512
free_page_is_bad mm/page_alloc.c:961 [inline]
free_pages_prepare mm/page_alloc.c:1146 [inline]
free_unref_page_prepare+0x887/0x8e0 mm/page_alloc.c:2336
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475
release_pages+0x1fa0/0x2220 mm/swap.c:1022
__folio_batch_release+0x71/0xe0 mm/swap.c:1042
folio_batch_release include/linux/pagevec.h:83 [inline]
truncate_inode_pages_range+0x358/0xf00 mm/truncate.c:371
jfs_remount+0x33b/0x5b0 fs/jfs/super.c:451
reconfigure_super+0x21e/0x880 fs/super.c:1151
do_remount fs/namespace.c:2900 [inline]
path_mount+0xd19/0xfe0 fs/namespace.c:3685
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f271c78e929
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:00007f271d52f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f271c9b5fa0 RCX: 00007f271c78e929
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f271c810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f271c9b5fa0 R15: 00007ffd4fd7d418
BUG: Bad page state in process syz.2.8 pfn:7af5e
page:ffffea0001ebd780 refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x7af5e
flags: 0xfff0800000820c(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0800000820c ffffea0000898548 ffffc90004b0f940 0000000000000000
raw: 000000000000000d ffff8880709650f8 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 5904, tgid 5903 (syz.2.8), ts 94988440410, free_ts 94935314712
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1561 [inline]
get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
__alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
folio_alloc+0x1e/0x30 mm/mempolicy.c:2291
filemap_alloc_folio+0xdf/0x470 mm/filemap.c:1004
do_read_cache_folio+0x36c/0x7e0 mm/filemap.c:3753
do_read_cache_page+0x32/0x250 mm/filemap.c:3855
read_mapping_page include/linux/pagemap.h:892 [inline]
__get_metapage+0x31a/0xfa0 fs/jfs/jfs_metapage.c:620
diReadSpecial+0x25b/0x6f0 fs/jfs/jfs_imap.c:447
jfs_mount+0x3d1/0x860 fs/jfs/jfs_mount.c:166
jfs_fill_super+0x4e2/0xac0 fs/jfs/super.c:556
mount_bdev+0x22b/0x2d0 fs/super.c:1643
legacy_get_tree+0xea/0x180 fs/fs_context.c:662
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3366
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1154 [inline]
free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429
__slab_free+0x35e/0x410 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767
slab_alloc_node mm/slub.c:3485 [inline]
slab_alloc mm/slub.c:3493 [inline]
__kmem_cache_alloc_lru mm/slub.c:3500 [inline]
kmem_cache_alloc+0x11e/0x2e0 mm/slub.c:3509
getname_flags+0xbb/0x500 fs/namei.c:140
do_sys_openat2+0xcb/0x1c0 fs/open.c:1413
do_sys_open fs/open.c:1434 [inline]
__do_sys_openat fs/open.c:1450 [inline]
__se_sys_openat fs/open.c:1445 [inline]
__x64_sys_openat+0x139/0x160 fs/open.c:1445
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 1 PID: 5904 Comm: syz.2.8 Tainted: G B 6.6.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:512
free_page_is_bad mm/page_alloc.c:961 [inline]
free_pages_prepare mm/page_alloc.c:1146 [inline]
free_unref_page_prepare+0x887/0x8e0 mm/page_alloc.c:2336
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475
release_pages+0x1fa0/0x2220 mm/swap.c:1022
__folio_batch_release+0x71/0xe0 mm/swap.c:1042
folio_batch_release include/linux/pagevec.h:83 [inline]
truncate_inode_pages_range+0x358/0xf00 mm/truncate.c:371
jfs_remount+0x33b/0x5b0 fs/jfs/super.c:451
reconfigure_super+0x21e/0x880 fs/super.c:1151
do_remount fs/namespace.c:2900 [inline]
path_mount+0xd19/0xfe0 fs/namespace.c:3685
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f271c78e929
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:00007f271d52f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f271c9b5fa0 RCX: 00007f271c78e929
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f271c810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f271c9b5fa0 R15: 00007ffd4fd7d418