loop0: detected capacity change from 0 to 32768 ERROR: (device loop0): dbAlloc: the hint is outside the map ERROR: (device loop0): remounting filesystem as read-only BUG: Bad page state in process syz-executor644 pfn:110762 page:00000000b06cbe67 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f pfn:0x110762 flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc0003575448 ffff80001cfd7700 0000000000000000 raw: 000000000000002f ffff0000ce67ee88 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 3972 Comm: syz-executor644 Not tainted 5.15.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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:652 check_free_page_bad mm/page_alloc.c:1199 [inline] check_free_page mm/page_alloc.c:1209 [inline] free_pages_prepare mm/page_alloc.c:1334 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x4ec/0xe30 mm/page_alloc.c:3317 free_unref_page_list+0xe4/0x7a8 mm/page_alloc.c:3433 release_pages+0x1770/0x1a88 mm/swap.c:963 __pagevec_release+0x94/0x10c mm/swap.c:983 pagevec_release include/linux/pagevec.h:81 [inline] truncate_inode_pages_range+0x3ac/0xbe0 mm/truncate.c:329 truncate_inode_pages+0x2c/0x3c mm/truncate.c:425 jfs_remount+0x2dc/0x594 fs/jfs/super.c:456 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:634 reconfigure_super+0x1d0/0x6ec fs/super.c:925 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 BUG: Bad page state in process syz-executor644 pfn:115d51 page:00000000e460b58c refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e pfn:0x115d51 flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc00031fc308 ffff80001cfd7700 0000000000000000 raw: 000000000000002e ffff0000ce67ed90 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 3972 Comm: syz-executor644 Tainted: G B 5.15.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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:652 check_free_page_bad mm/page_alloc.c:1199 [inline] check_free_page mm/page_alloc.c:1209 [inline] free_pages_prepare mm/page_alloc.c:1334 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x4ec/0xe30 mm/page_alloc.c:3317 free_unref_page_list+0xe4/0x7a8 mm/page_alloc.c:3433 release_pages+0x1770/0x1a88 mm/swap.c:963 __pagevec_release+0x94/0x10c mm/swap.c:983 pagevec_release include/linux/pagevec.h:81 [inline] truncate_inode_pages_range+0x3ac/0xbe0 mm/truncate.c:329 truncate_inode_pages+0x2c/0x3c mm/truncate.c:425 jfs_remount+0x2dc/0x594 fs/jfs/super.c:456 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:634 reconfigure_super+0x1d0/0x6ec fs/super.c:925 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 BUG: Bad page state in process syz-executor644 pfn:107f0c page:00000000e792ee87 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x107f0c flags: 0x5ffc00000002006(referenced|uptodate|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002006 fffffc000358b6c8 ffff80001cfd7700 0000000000000000 raw: 000000000000002d ffff0000ce67ec98 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set Modules linked in: CPU: 0 PID: 3972 Comm: syz-executor644 Tainted: G B 5.15.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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:652 check_free_page_bad mm/page_alloc.c:1199 [inline] check_free_page mm/page_alloc.c:1209 [inline] free_pages_prepare mm/page_alloc.c:1334 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x4ec/0xe30 mm/page_alloc.c:3317 free_unref_page_list+0xe4/0x7a8 mm/page_alloc.c:3433 release_pages+0x1770/0x1a88 mm/swap.c:963 __pagevec_release+0x94/0x10c mm/swap.c:983 pagevec_release include/linux/pagevec.h:81 [inline] truncate_inode_pages_range+0x3ac/0xbe0 mm/truncate.c:329 truncate_inode_pages+0x2c/0x3c mm/truncate.c:425 jfs_remount+0x2dc/0x594 fs/jfs/super.c:456 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:634 reconfigure_super+0x1d0/0x6ec fs/super.c:925 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584