syzbot

blkno = 5002c, nblocks = 1
ERROR: (device loop0): dbUpdatePMap: blocks are outside the map
ERROR: (device loop0): remounting filesystem as read-only
BUG: Bad page state in process jfsCommit  pfn:799a8
page:ffffea0001e66a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x799a8
flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000024 ffff888075b5fba0 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 0x40c40(GFP_NOFS|__GFP_COMP), pid 4245, tgid 4245 (syz-executor506), ts 72006528876, free_ts 66030792721
 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_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
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x6e1/0x12a0 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2259 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x88d/0xbf0 fs/read_write.c:470
 ksys_read+0x19c/0x2c0 fs/read_write.c:613
 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: 107 Comm: jfsCommit Not tainted 6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __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
 </TASK>
page:ffffea0001e66a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x799a8
flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000024 ffff888075b5fba0 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 0x40c40(GFP_NOFS|__GFP_COMP), pid 4245, tgid 4245 (syz-executor506), ts 72006528876, free_ts 66030792721
 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_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
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x6e1/0x12a0 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2259 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x88d/0xbf0 fs/read_write.c:470
 ksys_read+0x19c/0x2c0 fs/read_write.c:613
 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: 107 Comm: jfsCommit Tainted: G    B              6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 9e 51 81 fe e9 a0 00 00 00 e8 94 51 81 fe 48 8b 3c 24 48 c7 c6 a0 e9 44 8b e8 d4 16 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 71 db d8 fe 48 c1 eb
RSP: 0018:ffffc90002cdfcb8 EFLAGS: 00010246
RAX: 7c1abaae8e2e2b00 RBX: 000000000000007f RCX: ffffffff816ab877
RDX: 0000000000000000 RSI: ffffffff8b5d77a0 RDI: ffffffff8b5d7760
RBP: ffff888075b5fba0 R08: dffffc0000000000 R09: fffffbfff1d34106
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001e66a34 R14: 1ffff1100eb6bf79 R15: ffff888075b5fbc8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bdd9f6efd0 CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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
 </TASK>
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 9e 51 81 fe e9 a0 00 00 00 e8 94 51 81 fe 48 8b 3c 24 48 c7 c6 a0 e9 44 8b e8 d4 16 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 71 db d8 fe 48 c1 eb
RSP: 0018:ffffc90002cdfcb8 EFLAGS: 00010246
RAX: 7c1abaae8e2e2b00 RBX: 000000000000007f RCX: ffffffff816ab877
RDX: 0000000000000000 RSI: ffffffff8b5d77a0 RDI: ffffffff8b5d7760
RBP: ffff888075b5fba0 R08: dffffc0000000000 R09: fffffbfff1d34106
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001e66a34 R14: 1ffff1100eb6bf79 R15: ffff888075b5fbc8
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2027180f8 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400