BUG: Bad page state in process syz-executor.3  pfn:12e293
page:000000008716fa0b refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x12e293
flags: 0x5ffe30000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0xfff)
raw: 05ffe30000002046 fffffc0003b8f448 ffff80001ded7480 0000000000000000
raw: 0000000000000004 ffff0000dbe891f0 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 4243 Comm: syz-executor.3 Not tainted 6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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/0x5c lib/dump_stack.c:113
 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699
 free_page_is_bad_report mm/page_alloc.c:1277 [inline]
 free_page_is_bad mm/page_alloc.c:1287 [inline]
 free_pages_prepare mm/page_alloc.c:1433 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3358
 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3499
 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
 dbUnmount+0xf4/0x168 fs/jfs/jfs_dmap.c:275
 jfs_umount+0x1cc/0x338 fs/jfs/jfs_umount.c:89
 jfs_put_super+0x90/0x188 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x328 fs/super.c:501
 kill_block_super+0x70/0xdc fs/super.c:1459
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 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-executor.3  pfn:12e3d1
page:00000000987a0c3d refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x12e3d1
flags: 0x5ffe30000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0xfff)
raw: 05ffe30000002046 fffffc0003715808 ffff80001ded7480 0000000000000000
raw: 0000000000000003 ffff0000dbe890f8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 4243 Comm: syz-executor.3 Tainted: G    B              6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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/0x5c lib/dump_stack.c:113
 bad_page+0x1a4/0x1c4 mm/page_alloc.c:699
 free_page_is_bad_report mm/page_alloc.c:1277 [inline]
 free_page_is_bad mm/page_alloc.c:1287 [inline]
 free_pages_prepare mm/page_alloc.c:1433 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0x348/0x1070 mm/page_alloc.c:3358
 free_unref_page_list+0xec/0x9c0 mm/page_alloc.c:3499
 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
 dbUnmount+0xf4/0x168 fs/jfs/jfs_dmap.c:275
 jfs_umount+0x1cc/0x338 fs/jfs/jfs_umount.c:89
 jfs_put_super+0x90/0x188 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x328 fs/super.c:501
 kill_block_super+0x70/0xdc fs/super.c:1459
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
BTRFS info (device loop3): last unmount of filesystem d552757d-9c39-40e3-95f0-16d819589928
BTRFS info (device loop3): last unmount of filesystem a6a605fc-d5f1-4e66-8595-3726e2b761d6