ERROR: (device loop3): remounting filesystem as read-only UFO tlock:0xffffc9000284a090 BUG: Bad page state in process syz.3.446 pfn:1e330 page:ffffea000078cc00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2f pfn:0x1e330 flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff0000000800c ffffea000090cbc8 ffffc9001a69f940 0000000000000000 raw: 000000000008ed2f ffff88802d93a5d0 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 7773, tgid 7772 (syz.3.446), ts 356713087808, free_ts 356286130288 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 kasan_depopulate_vmalloc_pte+0x75/0x90 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2603 [inline] apply_to_pmd_range mm/memory.c:2647 [inline] apply_to_pud_range mm/memory.c:2683 [inline] apply_to_p4d_range mm/memory.c:2719 [inline] __apply_to_page_range+0x84c/0xd50 mm/memory.c:2755 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x1640/0x1990 mm/vmalloc.c:1770 drain_vmap_area_work+0x40/0xd0 mm/vmalloc.c:1804 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: CPU: 1 PID: 7773 Comm: syz.3.446 Not tainted 6.6.98-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: 0033:0x7f751f18e929 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:00007f751ffbd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f751f3b5fa0 RCX: 00007f751f18e929 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f751f210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f751f3b5fa0 R15: 00007ffd39b234c8 BUG: Bad page state in process syz.3.446 pfn:2432f page:ffffea000090cbc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2e pfn:0x2432f flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff0000000800c ffffea000090cb88 ffffc9001a69f940 0000000000000000 raw: 000000000008ed2e ffff88802d93a7c0 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 7773, tgid 7772 (syz.3.446), ts 356713024045, free_ts 356286183686 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 kasan_depopulate_vmalloc_pte+0x75/0x90 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2603 [inline] apply_to_pmd_range mm/memory.c:2647 [inline] apply_to_pud_range mm/memory.c:2683 [inline] apply_to_p4d_range mm/memory.c:2719 [inline] __apply_to_page_range+0x84c/0xd50 mm/memory.c:2755 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x1640/0x1990 mm/vmalloc.c:1770 drain_vmap_area_work+0x40/0xd0 mm/vmalloc.c:1804 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: CPU: 1 PID: 7773 Comm: syz.3.446 Tainted: G B 6.6.98-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: 0033:0x7f751f18e929 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:00007f751ffbd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f751f3b5fa0 RCX: 00007f751f18e929 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f751f210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f751f3b5fa0 R15: 00007ffd39b234c8 BUG: Bad page state in process syz.3.446 pfn:2432e page:ffffea000090cb80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x8ed2d pfn:0x2432e flags: 0xfff0000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff0000000800c ffffea000094ad88 ffffc9001a69f940 0000000000000000 raw: 000000000008ed2d ffff88802d93a9b0 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 7773, tgid 7772 (syz.3.446), ts 356712956817, free_ts 356286166733 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 kasan_depopulate_vmalloc_pte+0x75/0x90 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2603 [inline] apply_to_pmd_range mm/memory.c:2647 [inline] apply_to_pud_range mm/memory.c:2683 [inline] apply_to_p4d_range mm/memory.c:2719 [inline] __apply_to_page_range+0x84c/0xd50 mm/memory.c:2755 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x1640/0x1990 mm/vmalloc.c:1770 drain_vmap_area_work+0x40/0xd0 mm/vmalloc.c:1804 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: CPU: 1 PID: 7773 Comm: syz.3.446 Tainted: G B 6.6.98-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: 0033:0x7f751f18e929 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:00007f751ffbd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f751f3b5fa0 RCX: 00007f751f18e929 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f751f210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f751f3b5fa0 R15: 00007ffd39b234c8 BUG: Bad page state in process syz.3.446 pfn:252b6 page:ffffea000094ad80 refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x252b6 flags: 0xfff0800000820c(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff0800000820c ffffea00007597c8 ffffc9001a69f940 0000000000000000 raw: 000000000000000d ffff88802d93ae88 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 7773, tgid 7772 (syz.3.446), ts 356261806010, free_ts 356251499256 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 kasan_depopulate_vmalloc_pte+0x75/0x90 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2603 [inline] apply_to_pmd_range mm/memory.c:2647 [inline] apply_to_pud_range mm/memory.c:2683 [inline] apply_to_p4d_range mm/memory.c:2719 [inline] __apply_to_page_range+0x84c/0xd50 mm/memory.c:2755 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x1640/0x1990 mm/vmalloc.c:1770 drain_vmap_area_work+0x40/0xd0 mm/vmalloc.c:1804 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: CPU: 1 PID: 7773 Comm: syz.3.446 Tainted: G B 6.6.98-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: 0033:0x7f751f18e929 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:00007f751ffbd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f751f3b5fa0 RCX: 00007f751f18e929 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f751f210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002236824 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f751f3b5fa0 R15: 00007ffd39b234c8 syz.3.446: attempt to access beyond end of device loop3: rw=1, sector=4680032, nr_sectors = 8 limit=32768 metapage_write_end_io: I/O error