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:7dbf3 page:ffffea0001f6fcc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x7dbf3 flags: 0xfff00000002005(locked|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002005 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff88805fb02e88 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 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5046, ts 80596227517, free_ts 79846234368 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192 __alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474 __page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022 do_read_cache_page+0x1da/0x1030 mm/filemap.c:3457 read_mapping_page include/linux/pagemap.h:515 [inline] __get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621 diRead+0x6f7/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x89/0x3c0 fs/jfs/inode.c:35 jfs_lookup+0x1c2/0x380 fs/jfs/namei.c:1467 __lookup_slow+0x27d/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x319/0x460 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x169/0x440 fs/namei.c:2455 filename_lookup+0x1e2/0x4f0 fs/namei.c:2484 user_path_at_empty+0x40/0x190 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0xae/0x280 fs/xattr.c:625 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x94/0x280 mm/page_alloc.c:3396 put_page include/linux/mm.h:1247 [inline] aio_free_ring+0x276/0x5a0 fs/aio.c:318 free_ioctx+0x1e/0xa0 fs/aio.c:603 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: CPU: 1 PID: 278 Comm: jfsCommit Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 bad_page+0x14b/0x170 mm/page_alloc.c:652 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+0x383/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x94/0x280 mm/page_alloc.c:3396 txUnlock+0x27e/0xcb0 fs/jfs/jfs_txnmgr.c:932 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline] jfs_lazycommit+0x583/0xb20 fs/jfs/jfs_txnmgr.c:2766 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 page:ffffea0001f6fcc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x7dbf3 flags: 0xfff00000002005(locked|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002005 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff88805fb02e88 00000000ffffffff 0000000000000000 page dumped because: VM_BUG_ON_PAGE(((unsigned int) page_ref_count(page) + 127u <= 127u)) page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5046, ts 80596227517, free_ts 79846234368 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192 __alloc_pages+0x1e1/0x470 mm/page_alloc.c:5474 __page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022 do_read_cache_page+0x1da/0x1030 mm/filemap.c:3457 read_mapping_page include/linux/pagemap.h:515 [inline] __get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621 diRead+0x6f7/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x89/0x3c0 fs/jfs/inode.c:35 jfs_lookup+0x1c2/0x380 fs/jfs/namei.c:1467 __lookup_slow+0x27d/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x319/0x460 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x169/0x440 fs/namei.c:2455 filename_lookup+0x1e2/0x4f0 fs/namei.c:2484 user_path_at_empty+0x40/0x190 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0xae/0x280 fs/xattr.c:625 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x94/0x280 mm/page_alloc.c:3396 put_page include/linux/mm.h:1247 [inline] aio_free_ring+0x276/0x5a0 fs/aio.c:318 free_ioctx+0x1e/0xa0 fs/aio.c:603 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:1213! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 278 Comm: jfsCommit Tainted: G B 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:get_page include/linux/mm.h:1213 [inline] RIP: 0010:put_metapage+0x278/0x280 fs/jfs/jfs_metapage.c:722 Code: 38 c1 0f 8c 00 ff ff ff 4c 89 ef e8 c2 3a f0 fe e9 f3 fe ff ff e8 88 d7 ab fe 48 8b 3c 24 48 c7 c6 20 10 42 8a e8 48 42 de fe <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 70 RSP: 0018:ffffc90002d5fce0 EFLAGS: 00010246 RAX: 61e428cd4770b700 RBX: ffff88805fb02e88 RCX: ffff88801d7a1dc0 RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff RBP: 000000000000007f R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: ffff88805fb02eb0 R13: ffffea0001f6fcf4 R14: 1ffff1100bf605d6 R15: 1ffff1100bf605e3 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0195b6a2d8 CR3: 00000000238c6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txUnlock+0x427/0xcb0 fs/jfs/jfs_txnmgr.c:947 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline] jfs_lazycommit+0x583/0xb20 fs/jfs/jfs_txnmgr.c:2766 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 3cc93518b6a47bc5 ]--- RIP: 0010:get_page include/linux/mm.h:1213 [inline] RIP: 0010:put_metapage+0x278/0x280 fs/jfs/jfs_metapage.c:722 Code: 38 c1 0f 8c 00 ff ff ff 4c 89 ef e8 c2 3a f0 fe e9 f3 fe ff ff e8 88 d7 ab fe 48 8b 3c 24 48 c7 c6 20 10 42 8a e8 48 42 de fe <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 70 RSP: 0018:ffffc90002d5fce0 EFLAGS: 00010246 RAX: 61e428cd4770b700 RBX: ffff88805fb02e88 RCX: ffff88801d7a1dc0 RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff RBP: 000000000000007f R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: ffff88805fb02eb0 R13: ffffea0001f6fcf4 R14: 1ffff1100bf605d6 R15: 1ffff1100bf605e3 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7210331178 CR3: 00000000635f9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400