ERROR: (device loop2): remounting filesystem as read-only ERROR: (device loop2): jfs_readdir: JFS:Dtree error: ino = 2, bn=48, index = 3 ERROR: (device loop2): jfs_readdir: JFS:Dtree error: ino = 2, bn=48, index = 4 BUG: Bad page state in process syz.2.142 pfn:1315a6 page:0000000028b0a1b9 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f pfn:0x1315a6 flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc0003bdd648 ffff800021a17720 0000000000000000 raw: 000000000000002f ffff0000f186f8b8 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 4891 Comm: syz.2.142 Not tainted 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699 free_page_is_bad_report mm/page_alloc.c:1281 [inline] free_page_is_bad mm/page_alloc.c:1291 [inline] free_pages_prepare mm/page_alloc.c:1437 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3369 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3510 release_pages+0x1254/0x14dc mm/swap.c:1055 __pagevec_release+0x94/0x10c mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] truncate_inode_pages_range+0x388/0xf10 mm/truncate.c:372 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451 jfs_remount+0x2dc/0x594 fs/jfs/super.c:451 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:655 reconfigure_super+0x318/0x7a4 fs/super.c:977 vfs_fsconfig_locked fs/fsopen.c:254 [inline] __do_sys_fsconfig fs/fsopen.c:439 [inline] __se_sys_fsconfig fs/fsopen.c:314 [inline] __arm64_sys_fsconfig+0xa1c/0xd18 fs/fsopen.c:314 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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.2.142 pfn:12f759 page:000000002e09f33f refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e pfn:0x12f759 flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc0003b13f08 ffff800021a17720 0000000000000000 raw: 000000000000002e ffff0000f186f7c0 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 4891 Comm: syz.2.142 Tainted: G B 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699 free_page_is_bad_report mm/page_alloc.c:1281 [inline] free_page_is_bad mm/page_alloc.c:1291 [inline] free_pages_prepare mm/page_alloc.c:1437 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3369 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3510 release_pages+0x1254/0x14dc mm/swap.c:1055 __pagevec_release+0x94/0x10c mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] truncate_inode_pages_range+0x388/0xf10 mm/truncate.c:372 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451 jfs_remount+0x2dc/0x594 fs/jfs/super.c:451 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:655 reconfigure_super+0x318/0x7a4 fs/super.c:977 vfs_fsconfig_locked fs/fsopen.c:254 [inline] __do_sys_fsconfig fs/fsopen.c:439 [inline] __se_sys_fsconfig fs/fsopen.c:314 [inline] __arm64_sys_fsconfig+0xa1c/0xd18 fs/fsopen.c:314 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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.2.142 pfn:12c4fc page:000000005825d8ce refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x12c4fc flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc0003348988 ffff800021a17720 0000000000000000 raw: 000000000000002d ffff0000f186f6c8 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 4891 Comm: syz.2.142 Tainted: G B 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699 free_page_is_bad_report mm/page_alloc.c:1281 [inline] free_page_is_bad mm/page_alloc.c:1291 [inline] free_pages_prepare mm/page_alloc.c:1437 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3369 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3510 release_pages+0x1254/0x14dc mm/swap.c:1055 __pagevec_release+0x94/0x10c mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] truncate_inode_pages_range+0x388/0xf10 mm/truncate.c:372 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451 jfs_remount+0x2dc/0x594 fs/jfs/super.c:451 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:655 reconfigure_super+0x318/0x7a4 fs/super.c:977 vfs_fsconfig_locked fs/fsopen.c:254 [inline] __do_sys_fsconfig fs/fsopen.c:439 [inline] __se_sys_fsconfig fs/fsopen.c:314 [inline] __arm64_sys_fsconfig+0xa1c/0xd18 fs/fsopen.c:314 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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.2.142 pfn:10d226 page:000000001ff999c1 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x10d226 flags: 0x5ffc00000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002046 fffffc00036be348 ffff800021a17720 0000000000000000 raw: 000000000000002c ffff0000f186f5d0 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 4891 Comm: syz.2.142 Tainted: G B 6.1.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699 free_page_is_bad_report mm/page_alloc.c:1281 [inline] free_page_is_bad mm/page_alloc.c:1291 [inline] free_pages_prepare mm/page_alloc.c:1437 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3369 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3510 release_pages+0x1254/0x14dc mm/swap.c:1055 __pagevec_release+0x94/0x10c mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] truncate_inode_pages_range+0x388/0xf10 mm/truncate.c:372 truncate_inode_pages+0x2c/0x3c mm/truncate.c:451 jfs_remount+0x2dc/0x594 fs/jfs/super.c:451 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:655 reconfigure_super+0x318/0x7a4 fs/super.c:977 vfs_fsconfig_locked fs/fsopen.c:254 [inline] __do_sys_fsconfig fs/fsopen.c:439 [inline] __se_sys_fsconfig fs/fsopen.c:314 [inline] __arm64_sys_fsconfig+0xa1c/0xd18 fs/fsopen.c:314 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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