BUG: spinlock bad magic on CPU#0, jfsCommit/113
 lock: 0xffff8880590089e0, .magic: ffffffff, .owner: /0, .owner_cpu: 512
CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline]
 do_raw_spin_lock+0x209/0x370 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162
 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
 unlock_metapage fs/jfs/jfs_metapage.c:39 [inline]
 release_metapage+0xb2/0x960 fs/jfs/jfs_metapage.c:763
 xtTruncate+0x1006/0x3270
 jfs_free_zero_link+0x46e/0x6e0 fs/jfs/namei.c:759
 jfs_evict_inode+0x35f/0x440 fs/jfs/inode.c:153
 evict+0x4e8/0x9b0 fs/inode.c:725
 txUpdateMap+0x931/0xb10 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9
index 8975 is out of range for type 'unsigned long[8]'
CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429
 decode_tail kernel/locking/qspinlock.c:131 [inline]
 __pv_queued_spin_lock_slowpath+0xd54/0xdb0 kernel/locking/qspinlock.c:468
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162
 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
 unlock_metapage fs/jfs/jfs_metapage.c:39 [inline]
 release_metapage+0xb2/0x960 fs/jfs/jfs_metapage.c:763
 xtTruncate+0x1006/0x3270
 jfs_free_zero_link+0x46e/0x6e0 fs/jfs/namei.c:759
 jfs_evict_inode+0x35f/0x440 fs/jfs/inode.c:153
 evict+0x4e8/0x9b0 fs/inode.c:725
 txUpdateMap+0x931/0xb10 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace ]---