syzbot

BUG: spinlock bad magic on CPU#1, jfsCommit/277
 lock: 0xffff8880704989e8, .magic: ffffffff, .owner: òñ|c/0, .owner_cpu: 512
CPU: 1 PID: 277 Comm: jfsCommit Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline]
 do_raw_spin_lock+0x200/0x370 kernel/locking/spinlock_debug.c:114
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline]
 _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0xf5/0x1c0 kernel/sched/wait.c:157
 unlock_metapage fs/jfs/jfs_metapage.c:37 [inline]
 release_metapage+0x155/0xe00 fs/jfs/jfs_metapage.c:737
 xtTruncate+0xff9/0x3260
 jfs_free_zero_link+0x46a/0x6e0 fs/jfs/namei.c:758
 jfs_evict_inode+0x35b/0x440 fs/jfs/inode.c:153
 evict+0x529/0x930 fs/inode.c:622
 txUpdateMap+0x825/0x9e0 fs/jfs/jfs_txnmgr.c:2401
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x470/0xc30 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>
================================================================================
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9
index 8887 is out of range for type 'unsigned long[8]'
CPU: 1 PID: 277 Comm: jfsCommit Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282
 decode_tail kernel/locking/qspinlock.c:130 [inline]
 __pv_queued_spin_lock_slowpath+0xb9d/0xc40 kernel/locking/qspinlock.c:468
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline]
 _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0xf5/0x1c0 kernel/sched/wait.c:157
 unlock_metapage fs/jfs/jfs_metapage.c:37 [inline]
 release_metapage+0x155/0xe00 fs/jfs/jfs_metapage.c:737
 xtTruncate+0xff9/0x3260
 jfs_free_zero_link+0x46a/0x6e0 fs/jfs/namei.c:758
 jfs_evict_inode+0x35b/0x440 fs/jfs/inode.c:153
 evict+0x529/0x930 fs/inode.c:622
 txUpdateMap+0x825/0x9e0 fs/jfs/jfs_txnmgr.c:2401
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x470/0xc30 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>
================================================================================