BUG: Bad page state in process jfsCommit  pfn:4879c
page:ffffea000121e700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x4879c
flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff88807512c1f0 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 8961, tgid 8960 (syz.7.894), ts 390969207526, free_ts 375534603525
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2532
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4328
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5606
 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:1459 [inline]
 free_pcp_prepare mm/page_alloc.c:1509 [inline]
 free_unref_page_prepare+0x12a6/0x15b0 mm/page_alloc.c:3384
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3479
 __vunmap+0x873/0xa30 mm/vmalloc.c:2718
 vb2_vmalloc_put+0x64/0xa0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:68
 __vb2_buf_mem_free+0x100/0x290 drivers/media/common/videobuf2/videobuf2-core.c:266
 __vb2_free_mem drivers/media/common/videobuf2/videobuf2-core.c:496 [inline]
 __vb2_queue_free+0x437/0xa30 drivers/media/common/videobuf2/videobuf2-core.c:541
 vb2_core_queue_release+0x5a/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2477
 v4l2_m2m_ctx_release+0x1a/0x30 drivers/media/v4l2-core/v4l2-mem2mem.c:1273
 vicodec_release+0x93/0x110 drivers/media/test-drivers/vicodec/vicodec-core.c:1933
 v4l2_release+0x1de/0x390 drivers/media/v4l2-core/v4l2-dev.c:456
 __fput+0x3f6/0x8d0 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:203
 get_signal+0x15d0/0x17a0 kernel/signal.c:2648
 arch_do_signal_or_restart+0xb3/0x12a0 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
Modules linked in:
CPU: 0 PID: 106 Comm: jfsCommit Not tainted 6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:1452 [inline]
 free_pcp_prepare mm/page_alloc.c:1509 [inline]
 free_unref_page_prepare+0x60f/0x15b0 mm/page_alloc.c:3384
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3479
 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:ffffea000121e700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x4879c
flags: 0xfff00000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff88807512c1f0 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 8961, tgid 8960 (syz.7.894), ts 390969207526, free_ts 375534603525
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2532
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4328
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5606
 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:1459 [inline]
 free_pcp_prepare mm/page_alloc.c:1509 [inline]
 free_unref_page_prepare+0x12a6/0x15b0 mm/page_alloc.c:3384
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3479
 __vunmap+0x873/0xa30 mm/vmalloc.c:2718
 vb2_vmalloc_put+0x64/0xa0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:68
 __vb2_buf_mem_free+0x100/0x290 drivers/media/common/videobuf2/videobuf2-core.c:266
 __vb2_free_mem drivers/media/common/videobuf2/videobuf2-core.c:496 [inline]
 __vb2_queue_free+0x437/0xa30 drivers/media/common/videobuf2/videobuf2-core.c:541
 vb2_core_queue_release+0x5a/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2477
 v4l2_m2m_ctx_release+0x1a/0x30 drivers/media/v4l2-core/v4l2-mem2mem.c:1273
 vicodec_release+0x93/0x110 drivers/media/test-drivers/vicodec/vicodec-core.c:1933
 v4l2_release+0x1de/0x390 drivers/media/v4l2-core/v4l2-dev.c:456
 __fput+0x3f6/0x8d0 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:203
 get_signal+0x15d0/0x17a0 kernel/signal.c:2648
 arch_do_signal_or_restart+0xb3/0x12a0 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
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1135!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 106 Comm: jfsCommit Tainted: G    B              6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 ee 9d 77 fe e9 a0 00 00 00 e8 e4 9d 77 fe 48 8b 3c 24 48 c7 c6 80 6f 46 8b e8 14 2b b7 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 c1 fe ce fe 48 c1 eb
RSP: 0018:ffffc9000253fcb8 EFLAGS: 00010246
RAX: 75cb9e1e4edd4600 RBX: 000000000000007f RCX: ffffffff816a8cb7
RDX: 0000000000000000 RSI: ffffffff8b5f5fc0 RDI: ffffffff8b5f5f80
RBP: ffff88807512c1f0 R08: dffffc0000000000 R09: fffffbfff1d417a6
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea000121e734 R14: 1ffff1100ea25843 R15: ffff88807512c218
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb93eb7fab8 CR3: 000000007ddf4000 CR4: 00000000003526e0
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 ee 9d 77 fe e9 a0 00 00 00 e8 e4 9d 77 fe 48 8b 3c 24 48 c7 c6 80 6f 46 8b e8 14 2b b7 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 c1 fe ce fe 48 c1 eb
RSP: 0018:ffffc9000253fcb8 EFLAGS: 00010246
RAX: 75cb9e1e4edd4600 RBX: 000000000000007f RCX: ffffffff816a8cb7
RDX: 0000000000000000 RSI: ffffffff8b5f5fc0 RDI: ffffffff8b5f5f80
RBP: ffff88807512c1f0 R08: dffffc0000000000 R09: fffffbfff1d417a6
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea000121e734 R14: 1ffff1100ea25843 R15: ffff88807512c218
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb93eb7fab8 CR3: 000000007ddf4000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400