BUG: Bad page state in process jfsCommit  pfn:2c3a5
page:ffffea0000b0e940 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x2c3a5
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000002c ffff8880181268b8 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 7905, ts 223033156541, free_ts 223020426282
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x3b78/0x3d40 mm/page_alloc.c:4192
 __alloc_pages+0x272/0x700 mm/page_alloc.c:5465
 __page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
 pagecache_get_page+0xa91/0x1010 mm/filemap.c:1940
 find_or_create_page include/linux/pagemap.h:420 [inline]
 grab_cache_page include/linux/pagemap.h:502 [inline]
 __get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
 dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1907
 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline]
 dtInsert+0x12f6/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_creat fs/open.c:1345 [inline]
 __se_sys_creat fs/open.c:1339 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1339
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
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+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 mm_free_pgd kernel/fork.c:653 [inline]
 __mmdrop+0xac/0x3e0 kernel/fork.c:704
 exit_mm+0x688/0x7f0 kernel/exit.c:550
 do_exit+0x626/0x2480 kernel/exit.c:861
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
CPU: 0 PID: 276 Comm: jfsCommit Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 bad_page+0x14b/0x170 mm/page_alloc.c:652
 check_free_page_bad mm/page_alloc.c:1199 [inline]
 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+0x48d/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 txUnlock+0x282/0xca0 fs/jfs/jfs_txnmgr.c:932
 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
 jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
page:ffffea0000b0e940 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x2c3a5
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000002c ffff8880181268b8 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 7905, ts 223033156541, free_ts 223020426282
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x3b78/0x3d40 mm/page_alloc.c:4192
 __alloc_pages+0x272/0x700 mm/page_alloc.c:5465
 __page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
 pagecache_get_page+0xa91/0x1010 mm/filemap.c:1940
 find_or_create_page include/linux/pagemap.h:420 [inline]
 grab_cache_page include/linux/pagemap.h:502 [inline]
 __get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
 dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1907
 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline]
 dtInsert+0x12f6/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_creat fs/open.c:1345 [inline]
 __se_sys_creat fs/open.c:1339 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1339
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
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+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 mm_free_pgd kernel/fork.c:653 [inline]
 __mmdrop+0xac/0x3e0 kernel/fork.c:704
 exit_mm+0x688/0x7f0 kernel/exit.c:550
 do_exit+0x626/0x2480 kernel/exit.c:861
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 276 Comm: jfsCommit Tainted: G    B             5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 c6 28 db fe e9 eb fe ff ff e8 ac 4c 91 fe 4c 89 e7 48 c7 c6 a0 4f e2 8a e8 cd a2 c7 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002cffcc0 EFLAGS: 00010246
RAX: 3361a761a6806600 RBX: 000000000000007f RCX: ffff88801e9d3b80
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff8880181268b8 R08: ffffffff81d123a4 R09: fffff5200059fe55
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000b0e940
R13: ffff8880181268e0 R14: 1ffff11003024d1c R15: ffffea0000b0e974
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde08762178 CR3: 000000002b59b000 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:2716 [inline]
 jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace e8d2a7599de55715 ]---
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 c6 28 db fe e9 eb fe ff ff e8 ac 4c 91 fe 4c 89 e7 48 c7 c6 a0 4f e2 8a e8 cd a2 c7 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002cffcc0 EFLAGS: 00010246
RAX: 3361a761a6806600 RBX: 000000000000007f RCX: ffff88801e9d3b80
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff8880181268b8 R08: ffffffff81d123a4 R09: fffff5200059fe55
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000b0e940
R13: ffff8880181268e0 R14: 1ffff11003024d1c R15: ffffea0000b0e974
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde08762178 CR3: 000000002b59b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400