jfs_mkdir: dtInsert returned -EIO
ERROR: (device loop1): jfs_mkdir:
ERROR: (device loop1): remounting filesystem as read-only
BUG: Bad page state in process syz.1.23 pfn:2ddbd
page:ffffea0000b76f40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f pfn:0x2ddbd
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea0000bab548 ffffc90004f67940 0000000000000000
raw: 000000000000002f ffff88803038be88 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 5941, tgid 5940 (syz.1.23), ts 86318979634, free_ts 84063170442
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1582
prep_new_page mm/page_alloc.c:1589 [inline]
get_page_from_freelist+0x2181/0x22a0 mm/page_alloc.c:3221
__alloc_pages+0x1f0/0x460 mm/page_alloc.c:4501
folio_alloc+0x1e/0x30 mm/mempolicy.c:2289
filemap_alloc_folio+0xdf/0x490 mm/filemap.c:1004
__filemap_get_folio+0x3fb/0xbe0 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+0x2ab/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa4b/0x3000 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe2/0x1dd0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1df/0x1680 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e5/0xae0 fs/jfs/namei.c:225
vfs_mkdir+0x2a5/0x470 fs/namei.c:4125
do_mkdirat+0x1dc/0x450 fs/namei.c:4148
__do_sys_mkdirat fs/namei.c:4163 [inline]
__se_sys_mkdirat fs/namei.c:4161 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4161
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1182 [inline]
free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
kvm_mmu_free_memory_cache+0x122/0x260 virt/kvm/kvm_main.c:462
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:711 [inline]
kvm_mmu_destroy+0x2a1/0x2e0 arch/x86/kvm/mmu/mmu.c:6952
kvm_arch_vcpu_destroy+0x16b/0x280 arch/x86/kvm/x86.c:12125
kvm_vcpu_destroy virt/kvm/kvm_main.c:510 [inline]
kvm_destroy_vcpus+0xe1/0x260 virt/kvm/kvm_main.c:530
kvm_arch_destroy_vm+0x34b/0x430 arch/x86/kvm/x86.c:12623
kvm_destroy_vm virt/kvm/kvm_main.c:1339 [inline]
kvm_put_kvm+0xdbf/0x1a20 virt/kvm/kvm_main.c:1373
kvm_vcpu_release+0x57/0x60 virt/kvm/kvm_main.c:3888
__fput+0x221/0x940 fs/file_table.c:418
task_work_run+0x1d4/0x260 kernel/task_work.c:245
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0x986/0x2530 kernel/exit.c:890
do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
__do_sys_exit_group kernel/exit.c:1043 [inline]
__se_sys_exit_group kernel/exit.c:1041 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 5941 Comm: syz.1.23 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:539
free_page_is_bad mm/page_alloc.c:988 [inline]
free_pages_prepare mm/page_alloc.c:1173 [inline]
free_unref_page_prepare+0x884/0x8f0 mm/page_alloc.c:2366
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2505
release_pages+0x208a/0x2300 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+0x381/0xea0 mm/truncate.c:396
jfs_remount+0x34c/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x229/0x8e0 fs/super.c:1151
do_remount fs/namespace.c:2927 [inline]
path_mount+0xcfe/0xfa0 fs/namespace.c:3705
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1a55b9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1a56b05028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1a55e25fa0 RCX: 00007f1a55b9e019
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f1a55c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002390024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a55e26038 R14: 00007f1a55e25fa0 R15: 00007ffc3b3c0508
BUG: Bad page state in process syz.1.23 pfn:2ead5
page:ffffea0000bab540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e pfn:0x2ead5
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea00008def08 ffffc90004f67940 0000000000000000
raw: 000000000000002e ffff88803038bd90 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 5941, tgid 5940 (syz.1.23), ts 86318926818, free_ts 84063195505
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1582
prep_new_page mm/page_alloc.c:1589 [inline]
get_page_from_freelist+0x2181/0x22a0 mm/page_alloc.c:3221
__alloc_pages+0x1f0/0x460 mm/page_alloc.c:4501
folio_alloc+0x1e/0x30 mm/mempolicy.c:2289
filemap_alloc_folio+0xdf/0x490 mm/filemap.c:1004
__filemap_get_folio+0x3fb/0xbe0 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+0x2ab/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa4b/0x3000 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe2/0x1dd0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1df/0x1680 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e5/0xae0 fs/jfs/namei.c:225
vfs_mkdir+0x2a5/0x470 fs/namei.c:4125
do_mkdirat+0x1dc/0x450 fs/namei.c:4148
__do_sys_mkdirat fs/namei.c:4163 [inline]
__se_sys_mkdirat fs/namei.c:4161 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4161
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1182 [inline]
free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
kvm_mmu_free_memory_cache+0x122/0x260 virt/kvm/kvm_main.c:462
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:711 [inline]
kvm_mmu_destroy+0x2a1/0x2e0 arch/x86/kvm/mmu/mmu.c:6952
kvm_arch_vcpu_destroy+0x16b/0x280 arch/x86/kvm/x86.c:12125
kvm_vcpu_destroy virt/kvm/kvm_main.c:510 [inline]
kvm_destroy_vcpus+0xe1/0x260 virt/kvm/kvm_main.c:530
kvm_arch_destroy_vm+0x34b/0x430 arch/x86/kvm/x86.c:12623
kvm_destroy_vm virt/kvm/kvm_main.c:1339 [inline]
kvm_put_kvm+0xdbf/0x1a20 virt/kvm/kvm_main.c:1373
kvm_vcpu_release+0x57/0x60 virt/kvm/kvm_main.c:3888
__fput+0x221/0x940 fs/file_table.c:418
task_work_run+0x1d4/0x260 kernel/task_work.c:245
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0x986/0x2530 kernel/exit.c:890
do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
__do_sys_exit_group kernel/exit.c:1043 [inline]
__se_sys_exit_group kernel/exit.c:1041 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 5941 Comm: syz.1.23 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:539
free_page_is_bad mm/page_alloc.c:988 [inline]
free_pages_prepare mm/page_alloc.c:1173 [inline]
free_unref_page_prepare+0x884/0x8f0 mm/page_alloc.c:2366
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2505
release_pages+0x208a/0x2300 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+0x381/0xea0 mm/truncate.c:396
jfs_remount+0x34c/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x229/0x8e0 fs/super.c:1151
do_remount fs/namespace.c:2927 [inline]
path_mount+0xcfe/0xfa0 fs/namespace.c:3705
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1a55b9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1a56b05028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1a55e25fa0 RCX: 00007f1a55b9e019
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f1a55c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002390024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a55e26038 R14: 00007f1a55e25fa0 R15: 00007ffc3b3c0508
BUG: Bad page state in process syz.1.23 pfn:237bc
page:ffffea00008def00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x237bc
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea00007cde88 ffffc90004f67940 0000000000000000
raw: 000000000000002d ffff88803038bc98 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 5941, tgid 5940 (syz.1.23), ts 86318865266, free_ts 84063214197
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1582
prep_new_page mm/page_alloc.c:1589 [inline]
get_page_from_freelist+0x2181/0x22a0 mm/page_alloc.c:3221
__alloc_pages+0x1f0/0x460 mm/page_alloc.c:4501
folio_alloc+0x1e/0x30 mm/mempolicy.c:2289
filemap_alloc_folio+0xdf/0x490 mm/filemap.c:1004
__filemap_get_folio+0x3fb/0xbe0 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+0x2ab/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa4b/0x3000 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe2/0x1dd0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1df/0x1680 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e5/0xae0 fs/jfs/namei.c:225
vfs_mkdir+0x2a5/0x470 fs/namei.c:4125
do_mkdirat+0x1dc/0x450 fs/namei.c:4148
__do_sys_mkdirat fs/namei.c:4163 [inline]
__se_sys_mkdirat fs/namei.c:4161 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4161
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1182 [inline]
free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
kvm_mmu_free_memory_cache+0x122/0x260 virt/kvm/kvm_main.c:462
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:711 [inline]
kvm_mmu_destroy+0x2a1/0x2e0 arch/x86/kvm/mmu/mmu.c:6952
kvm_arch_vcpu_destroy+0x16b/0x280 arch/x86/kvm/x86.c:12125
kvm_vcpu_destroy virt/kvm/kvm_main.c:510 [inline]
kvm_destroy_vcpus+0xe1/0x260 virt/kvm/kvm_main.c:530
kvm_arch_destroy_vm+0x34b/0x430 arch/x86/kvm/x86.c:12623
kvm_destroy_vm virt/kvm/kvm_main.c:1339 [inline]
kvm_put_kvm+0xdbf/0x1a20 virt/kvm/kvm_main.c:1373
kvm_vcpu_release+0x57/0x60 virt/kvm/kvm_main.c:3888
__fput+0x221/0x940 fs/file_table.c:418
task_work_run+0x1d4/0x260 kernel/task_work.c:245
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0x986/0x2530 kernel/exit.c:890
do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
__do_sys_exit_group kernel/exit.c:1043 [inline]
__se_sys_exit_group kernel/exit.c:1041 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 5941 Comm: syz.1.23 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:539
free_page_is_bad mm/page_alloc.c:988 [inline]
free_pages_prepare mm/page_alloc.c:1173 [inline]
free_unref_page_prepare+0x884/0x8f0 mm/page_alloc.c:2366
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2505
release_pages+0x208a/0x2300 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+0x381/0xea0 mm/truncate.c:396
jfs_remount+0x34c/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x229/0x8e0 fs/super.c:1151
do_remount fs/namespace.c:2927 [inline]
path_mount+0xcfe/0xfa0 fs/namespace.c:3705
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1a55b9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1a56b05028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1a55e25fa0 RCX: 00007f1a55b9e019
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f1a55c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002390024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a55e26038 R14: 00007f1a55e25fa0 R15: 00007ffc3b3c0508
BUG: Bad page state in process syz.1.23 pfn:1f37a
page:ffffea00007cde80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x1f37a
flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff0000000800c ffffea0001809dc8 ffffc90004f67940 0000000000000000
raw: 000000000000002c ffff88803038bba0 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 5941, tgid 5940 (syz.1.23), ts 86318567553, free_ts 84063233025
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1582
prep_new_page mm/page_alloc.c:1589 [inline]
get_page_from_freelist+0x2181/0x22a0 mm/page_alloc.c:3221
__alloc_pages+0x1f0/0x460 mm/page_alloc.c:4501
folio_alloc+0x1e/0x30 mm/mempolicy.c:2289
filemap_alloc_folio+0xdf/0x490 mm/filemap.c:1004
__filemap_get_folio+0x3fb/0xbe0 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+0x2ab/0xfa0 fs/jfs/jfs_metapage.c:613
diNewExt+0xa4b/0x3000 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe2/0x1dd0 fs/jfs/jfs_imap.c:1669
diAlloc+0x1df/0x1680 fs/jfs/jfs_imap.c:1590
ialloc+0x8c/0x940 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e5/0xae0 fs/jfs/namei.c:225
vfs_mkdir+0x2a5/0x470 fs/namei.c:4125
do_mkdirat+0x1dc/0x450 fs/namei.c:4148
__do_sys_mkdirat fs/namei.c:4163 [inline]
__se_sys_mkdirat fs/namei.c:4161 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4161
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1182 [inline]
free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
kvm_mmu_free_memory_cache+0x122/0x260 virt/kvm/kvm_main.c:462
mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:711 [inline]
kvm_mmu_destroy+0x2a1/0x2e0 arch/x86/kvm/mmu/mmu.c:6952
kvm_arch_vcpu_destroy+0x16b/0x280 arch/x86/kvm/x86.c:12125
kvm_vcpu_destroy virt/kvm/kvm_main.c:510 [inline]
kvm_destroy_vcpus+0xe1/0x260 virt/kvm/kvm_main.c:530
kvm_arch_destroy_vm+0x34b/0x430 arch/x86/kvm/x86.c:12623
kvm_destroy_vm virt/kvm/kvm_main.c:1339 [inline]
kvm_put_kvm+0xdbf/0x1a20 virt/kvm/kvm_main.c:1373
kvm_vcpu_release+0x57/0x60 virt/kvm/kvm_main.c:3888
__fput+0x221/0x940 fs/file_table.c:418
task_work_run+0x1d4/0x260 kernel/task_work.c:245
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0x986/0x2530 kernel/exit.c:890
do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
__do_sys_exit_group kernel/exit.c:1043 [inline]
__se_sys_exit_group kernel/exit.c:1041 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 1 PID: 5941 Comm: syz.1.23 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:539
free_page_is_bad mm/page_alloc.c:988 [inline]
free_pages_prepare mm/page_alloc.c:1173 [inline]
free_unref_page_prepare+0x884/0x8f0 mm/page_alloc.c:2366
free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2505
release_pages+0x208a/0x2300 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+0x381/0xea0 mm/truncate.c:396
jfs_remount+0x34c/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x229/0x8e0 fs/super.c:1151
do_remount fs/namespace.c:2927 [inline]
path_mount+0xcfe/0xfa0 fs/namespace.c:3705
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1a55b9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1a56b05028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1a55e25fa0 RCX: 00007f1a55b9e019
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f1a55c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002390024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a55e26038 R14: 00007f1a55e25fa0 R15: 00007ffc3b3c0508