ERROR: (device loop1): dbUpdatePMap: blocks are outside the map ERROR: (device loop1): remounting filesystem as read-only BUG: Bad page state in process jfsCommit pfn:604a7 page:ffffea00018129c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x50030 pfn:0x604a7 flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000050030 ffff88805973b2e8 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 6931, tgid 6930 (syz.1.522), ts 293072042735, free_ts 292361938457 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 __filemap_get_folio+0x749/0xe80 mm/filemap.c:1993 pagecache_get_page+0x28/0x250 mm/folio-compat.c:110 find_or_create_page include/linux/pagemap.h:646 [inline] grab_cache_page include/linux/pagemap.h:778 [inline] __get_metapage+0x2b0/0x1040 fs/jfs/jfs_metapage.c:613 dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1909 dtSplitUp fs/jfs/jfs_dtree.c:992 [inline] dtInsert+0x12c9/0x6c00 fs/jfs/jfs_dtree.c:870 jfs_mkdir+0x7f3/0xbb0 fs/jfs/namei.c:270 vfs_mkdir+0x3b6/0x590 fs/namei.c:4106 do_mkdirat+0x225/0x360 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4144 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 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 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361 exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239 __mmput+0x115/0x3c0 kernel/fork.c:1200 exit_mm+0x226/0x300 kernel/exit.c:565 do_exit+0x9f6/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 get_signal+0x16f7/0x17d0 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 exc_page_fault+0x1c0/0x620 arch/x86/mm/fault.c:1490 Modules linked in: CPU: 1 PID: 105 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:ffffea00018129c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x50030 pfn:0x604a7 flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000050030 ffff88805973b2e8 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 6931, tgid 6930 (syz.1.522), ts 293072042735, free_ts 292361938457 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 __filemap_get_folio+0x749/0xe80 mm/filemap.c:1993 pagecache_get_page+0x28/0x250 mm/folio-compat.c:110 find_or_create_page include/linux/pagemap.h:646 [inline] grab_cache_page include/linux/pagemap.h:778 [inline] __get_metapage+0x2b0/0x1040 fs/jfs/jfs_metapage.c:613 dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1909 dtSplitUp fs/jfs/jfs_dtree.c:992 [inline] dtInsert+0x12c9/0x6c00 fs/jfs/jfs_dtree.c:870 jfs_mkdir+0x7f3/0xbb0 fs/jfs/namei.c:270 vfs_mkdir+0x3b6/0x590 fs/namei.c:4106 do_mkdirat+0x225/0x360 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4144 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 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 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361 exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239 __mmput+0x115/0x3c0 kernel/fork.c:1200 exit_mm+0x226/0x300 kernel/exit.c:565 do_exit+0x9f6/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 get_signal+0x16f7/0x17d0 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 exc_page_fault+0x1c0/0x620 arch/x86/mm/fault.c:1490 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:1135! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 105 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:ffffc9000262fcb8 EFLAGS: 00010246 RAX: e6c1f40214dbac00 RBX: 000000000000007f RCX: ffffffff816ab837 RDX: 0000000000000000 RSI: ffffffff8b5d77e0 RDI: ffffffff8b5d77a0 RBP: ffff88805973b2e8 R08: dffffc0000000000 R09: fffffbfff1d3415e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea00018129f4 R14: 1ffff1100b2e7662 R15: ffff88805973b310 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c43db23b0 CR3: 0000000056815000 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:ffffc9000262fcb8 EFLAGS: 00010246 RAX: e6c1f40214dbac00 RBX: 000000000000007f RCX: ffffffff816ab837 RDX: 0000000000000000 RSI: ffffffff8b5d77e0 RDI: ffffffff8b5d77a0 RBP: ffff88805973b2e8 R08: dffffc0000000000 R09: fffffbfff1d3415e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea00018129f4 R14: 1ffff1100b2e7662 R15: ffff88805973b310 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561b93111950 CR3: 00000000305d1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400