------------[ cut here ]------------
WARNING: CPU: 1 PID: 93 at fs/jfs/jfs_dmap.c:2878 dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2878
Modules linked in:
CPU: 1 PID: 93 Comm: jfsCommit Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2878
lr : dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2878
sp : ffff80001de37340
x29: ffff80001de37350 x28: ffff0000d5202804 x27: 0000000000000001
x26: 0000000000020056 x25: 1fffe0001aa40404 x24: dfff800000000000
x23: ffff0000d5202018 x22: 0000000000000155 x21: 0000000000000004
x20: 0000000000000001 x19: ffff0000d5202010 x18: ffff80001de37180
x17: ffff800018b7b000 x16: ffff8000082ffa94 x15: 0000000000000000
x14: 0000000000000406 x13: ffff0000c7431bc0 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800009a32264
x8 : ffff0000c7431bc0 x7 : ffff80000875bc04 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000004 x1 : 0000000000000155 x0 : 0000000000020056
Call trace:
 dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2878
 dbJoin+0x1ec/0x2a4 fs/jfs/jfs_dmap.c:2846
 dbFreeBits+0x458/0xc30 fs/jfs/jfs_dmap.c:2343
 dbFreeDmap fs/jfs/jfs_dmap.c:2092 [inline]
 dbFree+0x2d4/0x5b0 fs/jfs/jfs_dmap.c:409
 txFreeMap+0x7e8/0xb84 fs/jfs/jfs_txnmgr.c:2515
 xtTruncate+0xb0c/0x2a08 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x374/0x598 fs/jfs/namei.c:758
 jfs_evict_inode+0x300/0x3f4 fs/jfs/inode.c:153
 evict+0x418/0x894 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x7c0/0x8a4 fs/inode.c:1860
 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x3a0/0x988 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 180
hardirqs last  enabled at (179): [<ffff80001240f244>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (179): [<ffff80001240f244>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (180): [<ffff800012329064>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (0): [<ffff80000819e4d4>] copy_process+0x13c0/0x38d0 kernel/fork.c:2211
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
BUG: Bad page state in process jfsCommit  pfn:114917
page:0000000037417153 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x114917
flags: 0x5ffc60000002047(locked|referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc60000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff0000f5e876c8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
Modules linked in:
CPU: 1 PID: 93 Comm: jfsCommit Tainted: G        W          6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 bad_page+0x1a4/0x1c4 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+0x3a0/0x1330 mm/page_alloc.c:3384
 free_unref_page+0x80/0x420 mm/page_alloc.c:3479
 __folio_put_small mm/swap.c:97 [inline]
 __folio_put+0xd0/0x12c mm/swap.c:120
 folio_put include/linux/mm.h:1171 [inline]
 put_page include/linux/mm.h:1223 [inline]
 _metapage_homeok+0x130/0x21c fs/jfs/jfs_metapage.h:119
 txUnlock+0x264/0xbb0 fs/jfs/jfs_txnmgr.c:932
 txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
 jfs_lazycommit+0x490/0x988 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
page:0000000037417153 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x114917
flags: 0x5ffc60000002047(locked|referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc60000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff0000f5e876c8 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u))
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1135!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 93 Comm: jfsCommit Tainted: G    B   W          6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : folio_get include/linux/mm.h:1135 [inline]
pc : get_page include/linux/mm.h:1141 [inline]
pc : put_metapage+0x278/0x2c4 fs/jfs/jfs_metapage.c:721
lr : folio_get include/linux/mm.h:1135 [inline]
lr : get_page include/linux/mm.h:1141 [inline]
lr : put_metapage+0x278/0x2c4 fs/jfs/jfs_metapage.c:721
sp : ffff80001de37ba0
x29: ffff80001de37ba0 x28: dfff800000000000 x27: 1fffe0001ebd0ede
x26: 1fffe0001ebd0eeb x25: dfff800000000000 x24: 000000000000007f
x23: fffffc00035245f4 x22: fffffc00035245c0 x21: ffff0000f5e876f0
x20: ffff0000f5e87758 x19: ffff0000f5e876c8 x18: 1fffe000367a0176
x17: 635f6665725f6f69 x16: ffff80001232d384 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000088354f4
x8 : ffff0000c7431bc0 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001de37418 x4 : ffff800015b731c0 x3 : ffff8000085869b0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000005c
Call trace:
 folio_get include/linux/mm.h:1135 [inline]
 get_page include/linux/mm.h:1141 [inline]
 put_metapage+0x278/0x2c4 fs/jfs/jfs_metapage.c:721
 txUnlock+0x3e4/0xbb0 fs/jfs/jfs_txnmgr.c:947
 txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
 jfs_lazycommit+0x490/0x988 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Code: f0046d61 910b8021 aa1603e0 97b78912 (d4210000) 
---[ end trace 0000000000000000 ]---