BUG: spinlock bad magic on CPU#0, jfsCommit/105
 lock: 0xffff88801fd6dcd8, .magic: ffffffff, .owner: /768, .owner_cpu: 768
CPU: 0 UID: 0 PID: 105 Comm: jfsCommit Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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+0x20d/0x370 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xe4/0x130 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+0x158/0xa90 fs/jfs/jfs_metapage.c:763
 xtTruncate+0x1026/0x32a0 fs/jfs/jfs_xtree.c:-1
 jfs_free_zero_link+0x47f/0x700 fs/jfs/namei.c:759
 jfs_evict_inode+0x362/0x440 fs/jfs/inode.c:153
 evict+0x4f9/0x9b0 fs/inode.c:810
 txUpdateMap+0x948/0xb20 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x49c/0xba0 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.h:68:9
index 8991 is out of range for type 'unsigned long[8]'
CPU: 0 UID: 0 PID: 105 Comm: jfsCommit Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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:453
 decode_tail kernel/locking/qspinlock.h:68 [inline]
 native_queued_spin_lock_slowpath+0xc36/0xc80 kernel/locking/qspinlock.c:285
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:572 [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+0x276/0x370 kernel/locking/spinlock_debug.c:116
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xe4/0x130 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+0x158/0xa90 fs/jfs/jfs_metapage.c:763
 xtTruncate+0x1026/0x32a0 fs/jfs/jfs_xtree.c:-1
 jfs_free_zero_link+0x47f/0x700 fs/jfs/namei.c:759
 jfs_evict_inode+0x362/0x440 fs/jfs/inode.c:153
 evict+0x4f9/0x9b0 fs/inode.c:810
 txUpdateMap+0x948/0xb20 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x49c/0xba0 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
---[ end trace ]---