ERROR: (device loop1): txAbort: 
ERROR: (device loop1): remounting filesystem as read-only
BUG: Bad page state in process syz.1.224  pfn:133ee0
page:00000000b7b041b9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x33 pfn:0x133ee0
flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002006 fffffc0003cfba48 ffff8000214076e0 0000000000000000
raw: 0000000000000033 ffff0000d4994c98 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 5376 Comm: syz.1.224 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 bad_page+0x188/0x1a8 mm/page_alloc.c:699
 free_page_is_bad_report+0xf8/0x170 mm/page_alloc.c:1281
 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+0x62c/0xb18 mm/page_alloc.c:3384
 free_unref_page_list+0xd8/0x8ec mm/page_alloc.c:3525
 release_pages+0xd84/0xfac mm/swap.c:1035
 __pagevec_release+0x84/0xf8 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+0x2a8/0xd20 mm/truncate.c:372
 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451
 jfs_remount+0x280/0x484 fs/jfs/super.c:451
 legacy_reconfigure+0xf8/0x110 fs/fs_context.c:655
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 do_remount fs/namespace.c:2719 [inline]
 path_mount+0xbd4/0xe78 fs/namespace.c:3385
 do_mount fs/namespace.c:3406 [inline]
 __do_sys_mount fs/namespace.c:3614 [inline]
 __se_sys_mount fs/namespace.c:3591 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
BUG: Bad page state in process syz.1.224  pfn:133ee9
page:00000000e94dde81 refcount:0 mapcount:0 mapping:0000000000000000 index:0x32 pfn:0x133ee9
flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002006 fffffc0003cfbbc8 ffff8000214076e0 0000000000000000
raw: 0000000000000032 ffff0000d4994ba0 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 5376 Comm: syz.1.224 Tainted: G    B              6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 bad_page+0x188/0x1a8 mm/page_alloc.c:699
 free_page_is_bad_report+0xf8/0x170 mm/page_alloc.c:1281
 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+0x62c/0xb18 mm/page_alloc.c:3384
 free_unref_page_list+0xd8/0x8ec mm/page_alloc.c:3525
 release_pages+0xd84/0xfac mm/swap.c:1035
 __pagevec_release+0x84/0xf8 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+0x2a8/0xd20 mm/truncate.c:372
 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451
 jfs_remount+0x280/0x484 fs/jfs/super.c:451
 legacy_reconfigure+0xf8/0x110 fs/fs_context.c:655
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 do_remount fs/namespace.c:2719 [inline]
 path_mount+0xbd4/0xe78 fs/namespace.c:3385
 do_mount fs/namespace.c:3406 [inline]
 __do_sys_mount fs/namespace.c:3614 [inline]
 __se_sys_mount fs/namespace.c:3591 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
BUG: Bad page state in process syz.1.224  pfn:133eef
page:00000000440d8a1d refcount:0 mapcount:0 mapping:0000000000000000 index:0x31 pfn:0x133eef
flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002006 fffffc00034040c8 ffff8000214076e0 0000000000000000
raw: 0000000000000031 ffff0000d4994aa8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 5376 Comm: syz.1.224 Tainted: G    B              6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 bad_page+0x188/0x1a8 mm/page_alloc.c:699
 free_page_is_bad_report+0xf8/0x170 mm/page_alloc.c:1281
 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+0x62c/0xb18 mm/page_alloc.c:3384
 free_unref_page_list+0xd8/0x8ec mm/page_alloc.c:3525
 release_pages+0xd84/0xfac mm/swap.c:1035
 __pagevec_release+0x84/0xf8 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+0x2a8/0xd20 mm/truncate.c:372
 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451
 jfs_remount+0x280/0x484 fs/jfs/super.c:451
 legacy_reconfigure+0xf8/0x110 fs/fs_context.c:655
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 do_remount fs/namespace.c:2719 [inline]
 path_mount+0xbd4/0xe78 fs/namespace.c:3385
 do_mount fs/namespace.c:3406 [inline]
 __do_sys_mount fs/namespace.c:3614 [inline]
 __se_sys_mount fs/namespace.c:3591 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
BUG: Bad page state in process syz.1.224  pfn:137849
page:000000007e0472dc refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x137849
flags: 0x5ffc20000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc20000002046 fffffc0003d17e08 fffffc0003d18108 0000000000000000
raw: 000000000000000d ffff0000d49946c8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 5376 Comm: syz.1.224 Tainted: G    B              6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 bad_page+0x188/0x1a8 mm/page_alloc.c:699
 free_page_is_bad_report+0xf8/0x170 mm/page_alloc.c:1281
 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+0x62c/0xb18 mm/page_alloc.c:3384
 free_unref_page_list+0xd8/0x8ec mm/page_alloc.c:3525
 release_pages+0xd84/0xfac mm/swap.c:1035
 __pagevec_release+0x84/0xf8 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+0x2a8/0xd20 mm/truncate.c:372
 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451
 jfs_remount+0x280/0x484 fs/jfs/super.c:451
 legacy_reconfigure+0xf8/0x110 fs/fs_context.c:655
 reconfigure_super+0x1d4/0x79c fs/super.c:977
 do_remount fs/namespace.c:2719 [inline]
 path_mount+0xbd4/0xe78 fs/namespace.c:3385
 do_mount fs/namespace.c:3406 [inline]
 __do_sys_mount fs/namespace.c:3614 [inline]
 __se_sys_mount fs/namespace.c:3591 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585