unevictable 0
slab_reclaimable 1178784
slab_unreclaimable 919776
slab 2098560
workingset_refault_anon 0
workingset_refault_file 0
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz1,mems_allowed=0-1,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=8705,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: 8705, name: syz-executor.1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor.1/8705:
 #0: ffff8880740c1980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
 #0: ffff8880740c1980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1622/0x22b0 mm/filemap.c:3124
 #1: ffffffff8bce3b60 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline]
 #1: ffffffff8bce3b60 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xb96/0x1130 mm/memcontrol.c:2647
 #2: ffffffff8bc65e68 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607
 #3: ffff8880153bc3e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff8880153bc3e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #3: ffff8880153bc3e0 (&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: 8705 Comm: syz-executor.1 Not tainted 5.17.0-rc1-next-20220127-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+0xe03/0x1130 mm/memcontrol.c:2647
 try_charge mm/memcontrol.c:2724 [inline]
 charge_memcg+0x2a8/0x400 mm/memcontrol.c:6687
 __mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6708
 mem_cgroup_charge include/linux/memcontrol.h:667 [inline]
 __filemap_add_folio+0x5a3/0x11b0 mm/filemap.c:857
 filemap_add_folio+0xab/0x1d0 mm/filemap.c:950
 __filemap_get_folio+0x3bc/0xef0 mm/filemap.c:2001
 filemap_fault+0x166d/0x22b0 mm/filemap.c:3127
 __do_fault+0x10d/0x790 mm/memory.c:3868
 do_read_fault mm/memory.c:4183 [inline]
 do_fault mm/memory.c:4312 [inline]
 handle_pte_fault mm/memory.c:4570 [inline]
 __handle_mm_fault+0x2761/0x4150 mm/memory.c:4705
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803
 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
 handle_page_fault arch/x86/mm/fault.c:1484 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fcd83826010
Code: Unable to access opcode bytes at RIP 0x7fcd83825fe6.
RSP: 002b:00007ffff5035e48 EFLAGS: 00010202
RAX: 0000001b2e524140 RBX: 00007fcd8398af60 RCX: 0000001b2e520000
RDX: 0000001b2e52413c RSI: 0000001b2e524138 RDI: 00007fcd8398aff8
RBP: 0000001b2e524140 R08: 0000001b2e920000 R09: 00007ffff5152080
R10: 00007ffff5152090 R11: 0000000000011726 R12: 00007fcd8398af60
R13: 0000001b2e524138 R14: 0000001b2e52413c R15: 0000000000000032
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.17.0-rc1-next-20220127-syzkaller #0 Tainted: G        W        
-----------------------------
syz-executor.1/8705 is trying to lock:
ffff8880153bce00 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
ffff8880153bce00 (&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.1/8705:
 #0: ffff8880740c1980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
 #0: ffff8880740c1980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1622/0x22b0 mm/filemap.c:3124
 #1: ffffffff8bce3b60 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline]
 #1: ffffffff8bce3b60 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xb96/0x1130 mm/memcontrol.c:2647
 #2: ffffffff8bc65e68 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607
 #3: ffff8880153bc3e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff8880153bc3e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #3: ffff8880153bc3e0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 0 PID: 8705 Comm: syz-executor.1 Tainted: G        W         5.17.0-rc1-next-20220127-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+0xe03/0x1130 mm/memcontrol.c:2647
 try_charge mm/memcontrol.c:2724 [inline]
 charge_memcg+0x2a8/0x400 mm/memcontrol.c:6687
 __mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6708
 mem_cgroup_charge include/linux/memcontrol.h:667 [inline]
 __filemap_add_folio+0x5a3/0x11b0 mm/filemap.c:857
 filemap_add_folio+0xab/0x1d0 mm/filemap.c:950
 __filemap_get_folio+0x3bc/0xef0 mm/filemap.c:2001
 filemap_fault+0x166d/0x22b0 mm/filemap.c:3127
 __do_fault+0x10d/0x790 mm/memory.c:3868
 do_read_fault mm/memory.c:4183 [inline]
 do_fault mm/memory.c:4312 [inline]
 handle_pte_fault mm/memory.c:4570 [inline]
 __handle_mm_fault+0x2761/0x4150 mm/memory.c:4705
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803
 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
 handle_page_fault arch/x86/mm/fault.c:1484 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fcd83826010
Code: Unable to access opcode bytes at RIP 0x7fcd83825fe6.
RSP: 002b:00007ffff5035e48 EFLAGS: 00010202
RAX: 0000001b2e524140 RBX: 00007fcd8398af60 RCX: 0000001b2e520000
RDX: 0000001b2e52413c RSI: 0000001b2e524138 RDI: 00007fcd8398aff8
RBP: 0000001b2e524140 R08: 0000001b2e920000 R09: 00007ffff5152080
R10: 00007ffff5152090 R11: 0000000000011726 R12: 00007fcd8398af60
R13: 0000001b2e524138 R14: 0000001b2e52413c R15: 0000000000000032
 </TASK>
Memory cgroup out of memory: Killed process 8705 (syz-executor.1) total-vm:60648kB, anon-rss:2444kB, file-rss:13996kB, shmem-rss:0kB, UID:0 pgtables:96kB oom_score_adj:1000