------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 4876 at kernel/locking/mutex.c:582 __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 Modules linked in: CPU: 1 PID: 4876 Comm: kworker/u4:13 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: writeback wb_workfn (flush-7:3) pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 lr : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 sp : ffff800014b238e0 x29: ffff800014b23950 x28: ffff80000eec8000 x27: ffff0001184e4548 x26: 0000000000000000 x25: 0000000000000007 x24: 0000000000000002 x23: ffff8000088ea804 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0001184e4438 x18: 00000000000001ad x17: 0000000000000050 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000012 x12: ffff80000d93b690 x11: ff808000081c4d64 x10: 0000000000000000 x9 : ebfd5b9f8856d800 x8 : ebfd5b9f8856d800 x7 : 4e5241575f534b43 x6 : ffff8000081c21cc x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff800014b23668 x1 : 0000000100000000 x0 : 0000000000000028 Call trace: __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 hfsplus_ext_write_extent+0x3c/0xf8 fs/hfsplus/extents.c:149 hfsplus_write_inode+0x20/0x9c fs/hfsplus/super.c:154 write_inode fs/fs-writeback.c:1440 [inline] __writeback_single_inode+0x240/0x2e4 fs/fs-writeback.c:1652 writeback_sb_inodes+0x3e4/0x85c fs/fs-writeback.c:1878 wb_writeback+0x198/0x328 fs/fs-writeback.c:2052 wb_do_writeback+0xc8/0x384 fs/fs-writeback.c:2195 wb_workfn+0x70/0x15c fs/fs-writeback.c:2235 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 3439333 hardirqs last enabled at (3439333): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3439333): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (3439332): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (3439332): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (3439268): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (3439268): [] ieee80211_ibss_work+0x184/0x9f0 net/mac80211/ibss.c:1701 softirqs last disabled at (3439266): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (3439266): [] ieee80211_ibss_work+0x68/0x9f0 net/mac80211/ibss.c:1690 ---[ end trace 0000000000000000 ]---