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.1.170 pfn:7d0c3
page:ffffea0001f430c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f pfn:0x7d0c3
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001f43088 ffffc9000eba79a0 0000000000000000
raw: 000000000000002f ffff888030bc7aa8 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 5194, tgid 5193 (syz.1.170), ts 139509568122, free_ts 139499753206
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4114
do_mkdirat+0x1d8/0x440 fs/namei.c:4139
__do_sys_mkdirat fs/namei.c:4154 [inline]
__se_sys_mkdirat fs/namei.c:4152 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4152
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
xfs_buf_free_pages+0x15b/0x350 fs/xfs/xfs_buf.c:287
xfs_buf_free+0x11a/0x320 fs/xfs/xfs_buf.c:317
xfs_buftarg_drain+0x4c3/0x650 fs/xfs/xfs_buf.c:1854
xfs_log_unmount+0x12d/0x1c0 fs/xfs/xfs_log.c:1105
xfs_unmountfs+0x1c4/0x280 fs/xfs/xfs_mount.c:1097
xfs_fs_put_super+0x6c/0x2c0 fs/xfs/xfs_super.c:1118
generic_shutdown_super+0x130/0x340 fs/super.c:501
kill_block_super+0x7c/0xe0 fs/super.c:1470
deactivate_locked_super+0x93/0xf0 fs/super.c:332
cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
task_work_run+0x1d0/0x260 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
Modules linked in:
CPU: 1 PID: 5194 Comm: syz.1.170 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 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+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb63879f0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fb6396a5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb6396a5ee0 RCX: 00007fb63879f0ca
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007fb6396a5ee0 R09: 0000000003b4a468
R10: 0000000003b4a468 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007fb6396a5ea0 R14: 0000000000000000 R15: 0000200000007400
BUG: Bad page state in process syz.1.170 pfn:7d0c2
page:ffffea0001f43080 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e pfn:0x7d0c2
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea00007fe3c8 ffffc9000eba79a0 0000000000000000
raw: 000000000000002e ffff888030bc7ba0 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 5194, tgid 5193 (syz.1.170), ts 139509454710, free_ts 139499762243
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4114
do_mkdirat+0x1d8/0x440 fs/namei.c:4139
__do_sys_mkdirat fs/namei.c:4154 [inline]
__se_sys_mkdirat fs/namei.c:4152 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4152
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
xfs_buf_free_pages+0x15b/0x350 fs/xfs/xfs_buf.c:287
xfs_buf_free+0x11a/0x320 fs/xfs/xfs_buf.c:317
xfs_buftarg_drain+0x4c3/0x650 fs/xfs/xfs_buf.c:1854
xfs_log_unmount+0x12d/0x1c0 fs/xfs/xfs_log.c:1105
xfs_unmountfs+0x1c4/0x280 fs/xfs/xfs_mount.c:1097
xfs_fs_put_super+0x6c/0x2c0 fs/xfs/xfs_super.c:1118
generic_shutdown_super+0x130/0x340 fs/super.c:501
kill_block_super+0x7c/0xe0 fs/super.c:1470
deactivate_locked_super+0x93/0xf0 fs/super.c:332
cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
task_work_run+0x1d0/0x260 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
Modules linked in:
CPU: 0 PID: 5194 Comm: syz.1.170 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 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+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb63879f0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fb6396a5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb6396a5ee0 RCX: 00007fb63879f0ca
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007fb6396a5ee0 R09: 0000000003b4a468
R10: 0000000003b4a468 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007fb6396a5ea0 R14: 0000000000000000 R15: 0000200000007400
BUG: Bad page state in process syz.1.170 pfn:1ff8f
page:ffffea00007fe3c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x1ff8f
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0000719fc8 ffffc9000eba79a0 0000000000000000
raw: 000000000000002d ffff888030bc7c98 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 5194, tgid 5193 (syz.1.170), ts 139509408623, free_ts 139499771020
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4114
do_mkdirat+0x1d8/0x440 fs/namei.c:4139
__do_sys_mkdirat fs/namei.c:4154 [inline]
__se_sys_mkdirat fs/namei.c:4152 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4152
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
xfs_buf_free_pages+0x15b/0x350 fs/xfs/xfs_buf.c:287
xfs_buf_free+0x11a/0x320 fs/xfs/xfs_buf.c:317
xfs_buftarg_drain+0x4c3/0x650 fs/xfs/xfs_buf.c:1854
xfs_log_unmount+0x12d/0x1c0 fs/xfs/xfs_log.c:1105
xfs_unmountfs+0x1c4/0x280 fs/xfs/xfs_mount.c:1097
xfs_fs_put_super+0x6c/0x2c0 fs/xfs/xfs_super.c:1118
generic_shutdown_super+0x130/0x340 fs/super.c:501
kill_block_super+0x7c/0xe0 fs/super.c:1470
deactivate_locked_super+0x93/0xf0 fs/super.c:332
cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
task_work_run+0x1d0/0x260 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
Modules linked in:
CPU: 0 PID: 5194 Comm: syz.1.170 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 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+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb63879f0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fb6396a5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb6396a5ee0 RCX: 00007fb63879f0ca
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007fb6396a5ee0 R09: 0000000003b4a468
R10: 0000000003b4a468 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007fb6396a5ea0 R14: 0000000000000000 R15: 0000200000007400
BUG: Bad page state in process syz.1.170 pfn:1c67f
page:ffffea0000719fc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x1c67f
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea00015dc488 ffffc9000eba79a0 0000000000000000
raw: 000000000000002c ffff888030bc7d90 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 5194, tgid 5193 (syz.1.170), ts 139509355192, free_ts 139499780531
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
prep_new_page mm/page_alloc.c:2567 [inline]
get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
folio_alloc+0x1c/0x60 mm/mempolicy.c:2292
filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
__filemap_get_folio+0x6ba/0xde0 mm/filemap.c:1993
pagecache_get_page+0x26/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:648 [inline]
grab_cache_page include/linux/pagemap.h:780 [inline]
__get_metapage+0x2a7/0xfb0 fs/jfs/jfs_metapage.c:613
diNewExt+0x9ff/0x2e20 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xe27/0x1c30 fs/jfs/jfs_imap.c:1669
diAlloc+0x1c8/0x1930 fs/jfs/jfs_imap.c:1590
ialloc+0x88/0x930 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1e1/0xb00 fs/jfs/namei.c:225
vfs_mkdir+0x386/0x570 fs/namei.c:4114
do_mkdirat+0x1d8/0x440 fs/namei.c:4139
__do_sys_mkdirat fs/namei.c:4154 [inline]
__se_sys_mkdirat fs/namei.c:4152 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4152
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
xfs_buf_free_pages+0x15b/0x350 fs/xfs/xfs_buf.c:287
xfs_buf_free+0x11a/0x320 fs/xfs/xfs_buf.c:317
xfs_buftarg_drain+0x4c3/0x650 fs/xfs/xfs_buf.c:1854
xfs_log_unmount+0x12d/0x1c0 fs/xfs/xfs_log.c:1105
xfs_unmountfs+0x1c4/0x280 fs/xfs/xfs_mount.c:1097
xfs_fs_put_super+0x6c/0x2c0 fs/xfs/xfs_super.c:1118
generic_shutdown_super+0x130/0x340 fs/super.c:501
kill_block_super+0x7c/0xe0 fs/super.c:1470
deactivate_locked_super+0x93/0xf0 fs/super.c:332
cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
task_work_run+0x1d0/0x260 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
Modules linked in:
CPU: 0 PID: 5194 Comm: syz.1.170 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:726
free_page_is_bad mm/page_alloc.c:1318 [inline]
free_pages_prepare mm/page_alloc.c:1479 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
release_pages+0x20d1/0x2340 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+0x35c/0x10b0 mm/truncate.c:397
jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
reconfigure_super+0x224/0x8d0 fs/super.c:977
do_remount fs/namespace.c:2741 [inline]
path_mount+0xcce/0xfb0 fs/namespace.c:3400
do_mount fs/namespace.c:3421 [inline]
__do_sys_mount fs/namespace.c:3629 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb63879f0ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fb6396a5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb6396a5ee0 RCX: 00007fb63879f0ca
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007fb6396a5ee0 R09: 0000000003b4a468
R10: 0000000003b4a468 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007fb6396a5ea0 R14: 0000000000000000 R15: 0000200000007400