BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 994, name: kworker/u4:4
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by kworker/u4:4/994:
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: process_one_work+0x7a0/0x15a0 kernel/workqueue.c:2361
 #1: ffffc90004917db8 ((work_completion)(&pwork->work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x15a0 kernel/workqueue.c:2365
 #2: ffffffff8b98bf00 (rcu_read_lock){....}-{1:2}, at: vb_alloc mm/vmalloc.c:2090 [inline]
 #2: ffffffff8b98bf00 (rcu_read_lock){....}-{1:2}, at: vm_map_ram+0x42/0xb40 mm/vmalloc.c:2290
CPU: 1 PID: 994 Comm: kworker/u4:4 Not tainted 6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs_iwalk-5651 xfs_pwork_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x8e/0xb0 lib/dump_stack.c:106
 __might_resched+0x358/0x580 kernel/sched/core.c:10059
 __mutex_lock_common kernel/locking/mutex.c:580 [inline]
 __mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
 vb_alloc mm/vmalloc.c:2105 [inline]
 vm_map_ram+0xe6/0xb40 mm/vmalloc.c:2290
 _xfs_buf_map_pages+0x130/0x360 fs/xfs/xfs_buf.c:441
 xfs_buf_get_map+0x17a0/0x2790 fs/xfs/xfs_buf.c:719
 xfs_buf_read_map+0xaf/0xc60 fs/xfs/xfs_buf.c:811
 xfs_buf_readahead_map+0x6b/0x90 fs/xfs/xfs_buf.c:889
 xfs_buf_readahead fs/xfs/xfs_buf.h:262 [inline]
 xfs_btree_reada_bufs+0x14b/0x200 fs/xfs/libxfs/xfs_btree.c:926
 xfs_iwalk_ichunk_ra+0x226/0x3a0 fs/xfs/xfs_iwalk.c:114
 xfs_iwalk_ag+0x4aa/0x790 fs/xfs/xfs_iwalk.c:455
 xfs_iwalk_ag_work+0x104/0x170 fs/xfs/xfs_iwalk.c:624
 xfs_pwork_work+0x78/0x130 fs/xfs/xfs_pwork.c:47
 process_one_work+0x8ba/0x15a0 kernel/workqueue.c:2390
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2537
 kthread+0x298/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

=============================
[ BUG: Invalid wait context ]
6.3.0-rc1-syzkaller #0 Tainted: G        W         
-----------------------------
kworker/u4:4/994 is trying to lock:
ffff88802648d868 (&vb->lock){+.+.}-{3:3}, at: vb_alloc mm/vmalloc.c:2105 [inline]
ffff88802648d868 (&vb->lock){+.+.}-{3:3}, at: vm_map_ram+0xe6/0xb40 mm/vmalloc.c:2290
other info that might help us debug this:
context-{4:4}
3 locks held by kworker/u4:4/994:
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
 #0: ffff8880790e1138 ((wq_completion)xfs_iwalk-5651){+.+.}-{0:0}, at: process_one_work+0x7a0/0x15a0 kernel/workqueue.c:2361
 #1: ffffc90004917db8 ((work_completion)(&pwork->work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x15a0 kernel/workqueue.c:2365
 #2: ffffffff8b98bf00 (rcu_read_lock){....}-{1:2}, at: vb_alloc mm/vmalloc.c:2090 [inline]
 #2: ffffffff8b98bf00 (rcu_read_lock){....}-{1:2}, at: vm_map_ram+0x42/0xb40 mm/vmalloc.c:2290
stack backtrace:
CPU: 0 PID: 994 Comm: kworker/u4:4 Tainted: G        W          6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs_iwalk-5651 xfs_pwork_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x64/0xb0 lib/dump_stack.c:106
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4708 [inline]
 check_wait_context kernel/locking/lockdep.c:4769 [inline]
 __lock_acquire+0x154f/0x5d40 kernel/locking/lockdep.c:5006
 lock_acquire kernel/locking/lockdep.c:5669 [inline]
 lock_acquire+0x1e3/0x670 kernel/locking/lockdep.c:5634
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12f/0x1350 kernel/locking/mutex.c:747
 vb_alloc mm/vmalloc.c:2105 [inline]
 vm_map_ram+0xe6/0xb40 mm/vmalloc.c:2290
 _xfs_buf_map_pages+0x130/0x360 fs/xfs/xfs_buf.c:441
 xfs_buf_get_map+0x17a0/0x2790 fs/xfs/xfs_buf.c:719
 xfs_buf_read_map+0xaf/0xc60 fs/xfs/xfs_buf.c:811
 xfs_buf_readahead_map+0x6b/0x90 fs/xfs/xfs_buf.c:889
 xfs_buf_readahead fs/xfs/xfs_buf.h:262 [inline]
 xfs_btree_reada_bufs+0x14b/0x200 fs/xfs/libxfs/xfs_btree.c:926
 xfs_iwalk_ichunk_ra+0x226/0x3a0 fs/xfs/xfs_iwalk.c:114
 xfs_iwalk_ag+0x4aa/0x790 fs/xfs/xfs_iwalk.c:455
 xfs_iwalk_ag_work+0x104/0x170 fs/xfs/xfs_iwalk.c:624
 xfs_pwork_work+0x78/0x130 fs/xfs/xfs_pwork.c:47
 process_one_work+0x8ba/0x15a0 kernel/workqueue.c:2390
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2537
 kthread+0x298/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 994, name: kworker/u4:4
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
INFO: lockdep is turned off.
CPU: 1 PID: 994 Comm: kworker/u4:4 Tainted: G        W          6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs_iwalk-5741 xfs_pwork_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x8e/0xb0 lib/dump_stack.c:106
 __might_resched+0x358/0x580 kernel/sched/core.c:10059
 __mutex_lock_common kernel/locking/mutex.c:580 [inline]
 __mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
 vb_alloc mm/vmalloc.c:2105 [inline]
 vm_map_ram+0xe6/0xb40 mm/vmalloc.c:2290
 _xfs_buf_map_pages+0x130/0x360 fs/xfs/xfs_buf.c:441
 xfs_buf_get_map+0x17a0/0x2790 fs/xfs/xfs_buf.c:719
 xfs_buf_read_map+0xaf/0xc60 fs/xfs/xfs_buf.c:811
 xfs_buf_readahead_map+0x6b/0x90 fs/xfs/xfs_buf.c:889
 xfs_buf_readahead fs/xfs/xfs_buf.h:262 [inline]
 xfs_btree_reada_bufs+0x14b/0x200 fs/xfs/libxfs/xfs_btree.c:926
 xfs_iwalk_ichunk_ra+0x226/0x3a0 fs/xfs/xfs_iwalk.c:114
 xfs_iwalk_ag+0x4aa/0x790 fs/xfs/xfs_iwalk.c:455
 xfs_iwalk_ag_work+0x104/0x170 fs/xfs/xfs_iwalk.c:624
 xfs_pwork_work+0x78/0x130 fs/xfs/xfs_pwork.c:47
 process_one_work+0x8ba/0x15a0 kernel/workqueue.c:2390
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2537
 kthread+0x298/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 994, name: kworker/u4:4
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
INFO: lockdep is turned off.
CPU: 1 PID: 994 Comm: kworker/u4:4 Tainted: G        W          6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs_iwalk-6327 xfs_pwork_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x8e/0xb0 lib/dump_stack.c:106
 __might_resched+0x358/0x580 kernel/sched/core.c:10059
 __mutex_lock_common kernel/locking/mutex.c:580 [inline]
 __mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
 vb_alloc mm/vmalloc.c:2105 [inline]
 vm_map_ram+0xe6/0xb40 mm/vmalloc.c:2290
 _xfs_buf_map_pages+0x130/0x360 fs/xfs/xfs_buf.c:441
 xfs_buf_get_map+0x17a0/0x2790 fs/xfs/xfs_buf.c:719
 xfs_buf_read_map+0xaf/0xc60 fs/xfs/xfs_buf.c:811
 xfs_buf_readahead_map+0x6b/0x90 fs/xfs/xfs_buf.c:889
 xfs_buf_readahead fs/xfs/xfs_buf.h:262 [inline]
 xfs_btree_reada_bufs+0x14b/0x200 fs/xfs/libxfs/xfs_btree.c:926
 xfs_iwalk_ichunk_ra+0x226/0x3a0 fs/xfs/xfs_iwalk.c:114
 xfs_iwalk_ag+0x4aa/0x790 fs/xfs/xfs_iwalk.c:455
 xfs_iwalk_ag_work+0x104/0x170 fs/xfs/xfs_iwalk.c:624
 xfs_pwork_work+0x78/0x130 fs/xfs/xfs_pwork.c:47
 process_one_work+0x8ba/0x15a0 kernel/workqueue.c:2390
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2537
 kthread+0x298/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>