BUG: Bad page state in process jfsCommit pfn:794c2 page:ffffea0001e53080 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x794c2 flags: 0xfff08000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff08000002047 dead000000000100 dead000000000122 0000000000000000 raw: 000000000000001c ffff88807dad94d8 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 5594, tgid 5593 (syz.5.373), ts 136276611827, free_ts 135061407620 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4313 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5589 folio_alloc+0x1a/0x50 mm/mempolicy.c:2292 filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999 do_read_cache_folio+0x2a7/0x810 mm/filemap.c:3590 do_read_cache_page+0x32/0x220 mm/filemap.c:3668 read_mapping_page include/linux/pagemap.h:791 [inline] __get_metapage+0x32c/0x1040 fs/jfs/jfs_metapage.c:620 diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35 jfs_fill_super+0x804/0xc40 fs/jfs/super.c:580 mount_bdev+0x2c9/0x3f0 fs/super.c:1443 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1444 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510 release_pages+0x2836/0x2b40 mm/swap.c:1055 __pagevec_release+0x80/0xf0 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+0x48a/0x1340 mm/truncate.c:372 kill_bdev block/bdev.c:76 [inline] blkdev_flush_mapping+0x154/0x2b0 block/bdev.c:664 blkdev_put_whole block/bdev.c:695 [inline] blkdev_put+0x4c0/0x750 block/bdev.c:955 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Modules linked in: CPU: 0 PID: 107 Comm: jfsCommit Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 bad_page+0x14b/0x170 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+0x56b/0x1120 mm/page_alloc.c:3369 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464 txUnlock+0x282/0xca0 fs/jfs/jfs_txnmgr.c:932 txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 page:ffffea0001e53080 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x794c2 flags: 0xfff08000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff08000002047 dead000000000100 dead000000000122 0000000000000000 raw: 000000000000001c ffff88807dad94d8 00000000ffffffff 0000000000000000 page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u)) 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 5594, tgid 5593 (syz.5.373), ts 136276611827, free_ts 135061407620 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4313 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5589 folio_alloc+0x1a/0x50 mm/mempolicy.c:2292 filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999 do_read_cache_folio+0x2a7/0x810 mm/filemap.c:3590 do_read_cache_page+0x32/0x220 mm/filemap.c:3668 read_mapping_page include/linux/pagemap.h:791 [inline] __get_metapage+0x32c/0x1040 fs/jfs/jfs_metapage.c:620 diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35 jfs_fill_super+0x804/0xc40 fs/jfs/super.c:580 mount_bdev+0x2c9/0x3f0 fs/super.c:1443 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1444 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510 release_pages+0x2836/0x2b40 mm/swap.c:1055 __pagevec_release+0x80/0xf0 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+0x48a/0x1340 mm/truncate.c:372 kill_bdev block/bdev.c:76 [inline] blkdev_flush_mapping+0x154/0x2b0 block/bdev.c:664 blkdev_put_whole block/bdev.c:695 [inline] blkdev_put+0x4c0/0x750 block/bdev.c:955 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:1135! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 107 Comm: jfsCommit Tainted: G B 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:folio_get include/linux/mm.h:1135 [inline] RIP: 0010:get_page include/linux/mm.h:1141 [inline] RIP: 0010:put_metapage+0x25c/0x300 fs/jfs/jfs_metapage.c:721 Code: 2c 24 49 81 e5 ff 0f 00 00 74 21 e8 0e 48 81 fe e9 a0 00 00 00 e8 04 48 81 fe 48 8b 3c 24 48 c7 c6 e0 e9 44 8b e8 34 08 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 d1 cc d8 fe 48 c1 eb RSP: 0018:ffffc90002d0fcb8 EFLAGS: 00010246 RAX: 60ca56c00cf76a00 RBX: 000000000000007f RCX: ffffffff816ab837 RDX: 0000000000000000 RSI: ffffffff8b5d77e0 RDI: ffffffff8b5d77a0 RBP: ffff88807dad94d8 R08: dffffc0000000000 R09: fffffbfff1d3415e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea0001e530b4 R14: 1ffff1100fb5b2a0 R15: ffff88807dad9500 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc583b0d48 CR3: 000000006030b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txUnlock+0x42f/0xca0 fs/jfs/jfs_txnmgr.c:947 txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_get include/linux/mm.h:1135 [inline] RIP: 0010:get_page include/linux/mm.h:1141 [inline] RIP: 0010:put_metapage+0x25c/0x300 fs/jfs/jfs_metapage.c:721 Code: 2c 24 49 81 e5 ff 0f 00 00 74 21 e8 0e 48 81 fe e9 a0 00 00 00 e8 04 48 81 fe 48 8b 3c 24 48 c7 c6 e0 e9 44 8b e8 34 08 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 d1 cc d8 fe 48 c1 eb RSP: 0018:ffffc90002d0fcb8 EFLAGS: 00010246 RAX: 60ca56c00cf76a00 RBX: 000000000000007f RCX: ffffffff816ab837 RDX: 0000000000000000 RSI: ffffffff8b5d77e0 RDI: ffffffff8b5d77a0 RBP: ffff88807dad94d8 R08: dffffc0000000000 R09: fffffbfff1d3415e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea0001e530b4 R14: 1ffff1100fb5b2a0 R15: ffff88807dad9500 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc583b0d48 CR3: 000000007e159000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400