blkno = 5002c, nblocks = 1 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:57de1 page:ffffea00015f7840 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x57de1 flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff88801f72a000 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 4431, tgid 4430 (syz.1.28), ts 89635456750, free_ts 89542949596 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:5590 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_lookup+0x222/0x400 fs/jfs/namei.c:1467 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690 lookup_slow+0x53/0x70 fs/namei.c:1707 walk_component+0x2d0/0x400 fs/namei.c:1998 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2479 filename_lookup+0x251/0x600 fs/namei.c:2508 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+0x33/0x3e0 mm/page_alloc.c:3464 __vunmap+0x834/0x9a0 mm/vmalloc.c:2717 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:868 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline] do_ipt_get_ctl+0x11d8/0x1890 net/ipv4/netfilter/ip_tables.c:1670 nf_getsockopt+0x28e/0x2b0 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x21a/0x2d0 net/ipv4/ip_sockglue.c:1826 tcp_getsockopt+0x15c/0x1c0 net/ipv4/tcp.c:4450 __sys_getsockopt+0x2b2/0x5d0 net/socket.c:2332 __do_sys_getsockopt net/socket.c:2347 [inline] __se_sys_getsockopt net/socket.c:2344 [inline] __x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2344 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 Modules linked in: CPU: 0 PID: 105 Comm: jfsCommit Not tainted 6.1.119-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:ffffea00015f7840 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x57de1 flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff88801f72a000 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 4431, tgid 4430 (syz.1.28), ts 89635456750, free_ts 89542949596 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:5590 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_lookup+0x222/0x400 fs/jfs/namei.c:1467 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690 lookup_slow+0x53/0x70 fs/namei.c:1707 walk_component+0x2d0/0x400 fs/namei.c:1998 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2479 filename_lookup+0x251/0x600 fs/namei.c:2508 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+0x33/0x3e0 mm/page_alloc.c:3464 __vunmap+0x834/0x9a0 mm/vmalloc.c:2717 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:868 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1024 [inline] do_ipt_get_ctl+0x11d8/0x1890 net/ipv4/netfilter/ip_tables.c:1670 nf_getsockopt+0x28e/0x2b0 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x21a/0x2d0 net/ipv4/ip_sockglue.c:1826 tcp_getsockopt+0x15c/0x1c0 net/ipv4/tcp.c:4450 __sys_getsockopt+0x2b2/0x5d0 net/socket.c:2332 __do_sys_getsockopt net/socket.c:2347 [inline] __se_sys_getsockopt net/socket.c:2344 [inline] __x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2344 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 ------------[ 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 6.1.119-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 1e 43 81 fe e9 a0 00 00 00 e8 14 43 81 fe 48 8b 3c 24 48 c7 c6 20 eb 44 8b e8 64 04 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 a1 cd d8 fe 48 c1 eb RSP: 0018:ffffc90002cefcb8 EFLAGS: 00010246 RAX: 33a9f7d5205e4e00 RBX: 000000000000007f RCX: ffffffff816ac837 RDX: 0000000000000000 RSI: ffffffff8b5d7960 RDI: ffffffff8b5d7920 RBP: ffff88801f72a000 R08: dffffc0000000000 R09: fffffbfff1d3410e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea00015f7874 R14: 1ffff11003ee5405 R15: ffff88801f72a028 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60eab09ef8 CR3: 000000002b226000 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 1e 43 81 fe e9 a0 00 00 00 e8 14 43 81 fe 48 8b 3c 24 48 c7 c6 20 eb 44 8b e8 64 04 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 a1 cd d8 fe 48 c1 eb RSP: 0018:ffffc90002cefcb8 EFLAGS: 00010246 RAX: 33a9f7d5205e4e00 RBX: 000000000000007f RCX: ffffffff816ac837 RDX: 0000000000000000 RSI: ffffffff8b5d7960 RDI: ffffffff8b5d7920 RBP: ffff88801f72a000 R08: dffffc0000000000 R09: fffffbfff1d3410e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea00015f7874 R14: 1ffff11003ee5405 R15: ffff88801f72a028 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60eab09ef8 CR3: 000000007db0f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400