shmem_thp 0
inactive_anon 135168
active_anon 135168
inactive_file 16384
active_file 12288
unevictable 0
slab_reclaimable 1236816
slab_unreclaimable 1376136
slab 2612952
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=3640,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: 3640, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.0/3640:
 #0: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline]
 #0: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2647
 #1: ffffffff8bc645a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3640 Comm: syz-executor.0 Not tainted 5.17.0-rc1-next-20220124-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:9576
 __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+0x358/0x14b0 mm/oom_kill.c:1132
 mem_cgroup_out_of_memory+0x206/0x270 mm/memcontrol.c:1617
 mem_cgroup_oom mm/memcontrol.c:1852 [inline]
 try_charge_memcg+0xd79/0x10f0 mm/memcontrol.c:2647
 obj_cgroup_charge_pages+0x1e/0x90 mm/memcontrol.c:3017
 obj_cgroup_charge+0xf3/0x280 mm/memcontrol.c:3286
 memcg_slab_pre_alloc_hook mm/slab.h:490 [inline]
 slab_pre_alloc_hook mm/slab.h:710 [inline]
 slab_alloc_node mm/slub.c:3144 [inline]
 kmem_cache_alloc_node+0x99/0x3e0 mm/slub.c:3266
 alloc_task_struct_node kernel/fork.c:171 [inline]
 dup_task_struct kernel/fork.c:883 [inline]
 copy_process+0x5c4/0x7300 kernel/fork.c:1998
 kernel_clone+0xe7/0xab0 kernel/fork.c:2555
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2672
 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: 0033:0x7f065678d64b
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007ffc1b79a010 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f065678d64b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 000055555736d400
R10: 000055555736d6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc1b79a0f0
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.17.0-rc1-next-20220124-syzkaller #0 Tainted: G        W        
-----------------------------
syz-executor.0/3640 is trying to lock:
ffff88802295ce00 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
ffff88802295ce00 (&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}
3 locks held by syz-executor.0/3640:
 #0: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline]
 #0: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2647
 #1: ffffffff8bc645a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #2: ffff88802295c3e0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 1 PID: 3640 Comm: syz-executor.0 Tainted: G        W         5.17.0-rc1-next-20220124-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+0x358/0x14b0 mm/oom_kill.c:1132
 mem_cgroup_out_of_memory+0x206/0x270 mm/memcontrol.c:1617
 mem_cgroup_oom mm/memcontrol.c:1852 [inline]
 try_charge_memcg+0xd79/0x10f0 mm/memcontrol.c:2647
 obj_cgroup_charge_pages+0x1e/0x90 mm/memcontrol.c:3017
 obj_cgroup_charge+0xf3/0x280 mm/memcontrol.c:3286
 memcg_slab_pre_alloc_hook mm/slab.h:490 [inline]
 slab_pre_alloc_hook mm/slab.h:710 [inline]
 slab_alloc_node mm/slub.c:3144 [inline]
 kmem_cache_alloc_node+0x99/0x3e0 mm/slub.c:3266
 alloc_task_struct_node kernel/fork.c:171 [inline]
 dup_task_struct kernel/fork.c:883 [inline]
 copy_process+0x5c4/0x7300 kernel/fork.c:1998
 kernel_clone+0xe7/0xab0 kernel/fork.c:2555
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2672
 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: 0033:0x7f065678d64b
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007ffc1b79a010 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f065678d64b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 000055555736d400
R10: 000055555736d6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc1b79a0f0
 </TASK>
Memory cgroup out of memory: Killed process 3640 (syz-executor.0) total-vm:56676kB, anon-rss:408kB, file-rss:15296kB, shmem-rss:4kB, UID:0 pgtables:84kB oom_score_adj:0