slab_unreclaimable 735024
slab 1653544
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=3633,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: 8004, name: syz-executor.1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor.1/8004:
 #0: ffff88807c993228 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff88807c993228 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x11c0 arch/x86/mm/fault.c:1338
 #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: ffff888014fb0960 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff888014fb0960 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #3: ffff888014fb0960 (&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: 8004 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]
 wp_page_copy+0x290/0x1dd0 mm/memory.c:3031
 do_wp_page+0x3db/0x17f0 mm/memory.c:3322
 handle_pte_fault mm/memory.c:4588 [inline]
 __handle_mm_fault+0x1dc5/0x4150 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: 0033:0x7f955bb6566e
Code: 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 00 48 8b 05 e7 2c 05 01 48 85 c0 74 04 <48> 83 00 04 49 8d 81 e0 02 00 00 48 83 3d ff 18 0e 00 00 49 89 81
RSP: 002b:00007ffcf45e4bd0 EFLAGS: 00010206
RAX: 00007f955cbb3400 RBX: 0000000000000000 RCX: 00007f955bb6564b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555eaa400
R10: 0000555555eaa6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcf45e4cb0
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.17.0-rc1-next-20220127-syzkaller #0 Tainted: G        W        
-----------------------------
syz-executor.1/8004 is trying to lock:
ffff888014fb1380 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
ffff888014fb1380 (&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.1/8004:
 #0: ffff88807c993228 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff88807c993228 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x11c0 arch/x86/mm/fault.c:1338
 #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: ffff888014fb0960 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
 #3: ffff888014fb0960 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
 #3: ffff888014fb0960 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 1 PID: 8004 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]
 wp_page_copy+0x290/0x1dd0 mm/memory.c:3031
 do_wp_page+0x3db/0x17f0 mm/memory.c:3322
 handle_pte_fault mm/memory.c:4588 [inline]
 __handle_mm_fault+0x1dc5/0x4150 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: 0033:0x7f955bb6566e
Code: 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 00 48 8b 05 e7 2c 05 01 48 85 c0 74 04 <48> 83 00 04 49 8d 81 e0 02 00 00 48 83 3d ff 18 0e 00 00 49 89 81
RSP: 002b:00007ffcf45e4bd0 EFLAGS: 00010206
RAX: 00007f955cbb3400 RBX: 0000000000000000 RCX: 00007f955bb6564b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555555eaa400
R10: 0000555555eaa6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcf45e4cb0
 </TASK>
Memory cgroup out of memory: Killed process 3633 (syz-executor.1) total-vm:56676kB, anon-rss:392kB, file-rss:15232kB, shmem-rss:4kB, UID:0 pgtables:80kB oom_score_adj:0