unevictable 14835712
slab_reclaimable 1064992
slab_unreclaimable 4941560
slab 6006552
workingset_refault_anon 0
workingset_refault_file 0
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0-1,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=22809,uid=0
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 22824, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor.0/22824:
 #0: ffff888031c01628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
 #0: ffff888031c01628 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x264/0x3e0 mm/gup.c:1581
 #1: ffffffff8bce1a40 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1845 [inline]
 #1: ffffffff8bce1a40 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2646
 #2: ffffffff8bc640a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1606
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:178 [inline]
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 22824 Comm: syz-executor.0 Not tainted 5.16.0-rc5-next-20211215-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9583
 __mutex_lock_common kernel/locking/mutex.c:577 [inline]
 __mutex_lock+0x9f/0x12f0 kernel/locking/mutex.c:733
 futex_cleanup_begin kernel/futex/core.c:1058 [inline]
 futex_exit_release+0x26/0x220 kernel/futex/core.c:1110
 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
 oom_kill_process+0xd7/0x5b0 mm/oom_kill.c:1003
 out_of_memory+0x358/0x1460 mm/oom_kill.c:1132
 mem_cgroup_out_of_memory+0x206/0x270 mm/memcontrol.c:1616
 mem_cgroup_oom mm/memcontrol.c:1851 [inline]
 try_charge_memcg+0xd79/0x10f0 mm/memcontrol.c:2646
 try_charge mm/memcontrol.c:2723 [inline]
 charge_memcg+0x2a8/0x400 mm/memcontrol.c:6692
 __mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6713
 mem_cgroup_charge include/linux/memcontrol.h:666 [inline]
 do_anonymous_page mm/memory.c:3761 [inline]
 handle_pte_fault mm/memory.c:4546 [inline]
 __handle_mm_fault+0x1d55/0x4160 mm/memory.c:4683
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4781
 faultin_page mm/gup.c:939 [inline]
 __get_user_pages+0x522/0xfb0 mm/gup.c:1160
 populate_vma_page_range+0x24d/0x330 mm/gup.c:1492
 __mm_populate+0x1ea/0x3e0 mm/gup.c:1601
 mm_populate include/linux/mm.h:2676 [inline]
 __do_sys_mlockall+0x429/0x4b0 mm/mlock.c:800
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5b70beae99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b6f560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: ffffffffffffffda RBX: 00007f5b70cfdf60 RCX: 00007f5b70beae99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f5b70c44ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2372f59f R14: 00007f5b6f560300 R15: 0000000000022000
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.16.0-rc5-next-20211215-syzkaller #0 Tainted: G        W        
-----------------------------
syz-executor.0/22824 is trying to lock:
ffff88802b9e1380 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
ffff88802b9e1380 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x26/0x220 kernel/futex/core.c:1110
other info that might help us debug this:
context-{4:4}
4 locks held by syz-executor.0/22824:
 #0: ffff888031c01628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
 #0: ffff888031c01628 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x264/0x3e0 mm/gup.c:1581
 #1: ffffffff8bce1a40 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1845 [inline]
 #1: ffffffff8bce1a40 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2646
 #2: ffffffff8bc640a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1606
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:178 [inline]
 #3: ffff88802b9e0960 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 0 PID: 22824 Comm: syz-executor.0 Tainted: G        W         5.16.0-rc5-next-20211215-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline]
 check_wait_context kernel/locking/lockdep.c:4739 [inline]
 __lock_acquire.cold+0x213/0x3ab kernel/locking/lockdep.c:4977
 lock_acquire kernel/locking/lockdep.c:5639 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
 __mutex_lock_common kernel/locking/mutex.c:600 [inline]
 __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:733
 futex_cleanup_begin kernel/futex/core.c:1058 [inline]
 futex_exit_release+0x26/0x220 kernel/futex/core.c:1110
 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
 oom_kill_process+0xd7/0x5b0 mm/oom_kill.c:1003
 out_of_memory+0x358/0x1460 mm/oom_kill.c:1132
 mem_cgroup_out_of_memory+0x206/0x270 mm/memcontrol.c:1616
 mem_cgroup_oom mm/memcontrol.c:1851 [inline]
 try_charge_memcg+0xd79/0x10f0 mm/memcontrol.c:2646
 try_charge mm/memcontrol.c:2723 [inline]
 charge_memcg+0x2a8/0x400 mm/memcontrol.c:6692
 __mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6713
 mem_cgroup_charge include/linux/memcontrol.h:666 [inline]
 do_anonymous_page mm/memory.c:3761 [inline]
 handle_pte_fault mm/memory.c:4546 [inline]
 __handle_mm_fault+0x1d55/0x4160 mm/memory.c:4683
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4781
 faultin_page mm/gup.c:939 [inline]
 __get_user_pages+0x522/0xfb0 mm/gup.c:1160
 populate_vma_page_range+0x24d/0x330 mm/gup.c:1492
 __mm_populate+0x1ea/0x3e0 mm/gup.c:1601
 mm_populate include/linux/mm.h:2676 [inline]
 __do_sys_mlockall+0x429/0x4b0 mm/mlock.c:800
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5b70beae99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b6f560168 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: ffffffffffffffda RBX: 00007f5b70cfdf60 RCX: 00007f5b70beae99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f5b70c44ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2372f59f R14: 00007f5b6f560300 R15: 0000000000022000
 </TASK>
Memory cgroup out of memory: Killed process 22809 (syz-executor.0) total-vm:60776kB, anon-rss:37044kB, file-rss:14336kB, shmem-rss:0kB, UID:0 pgtables:152kB oom_score_adj:1000