oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz1,mems_allowed=0-1,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=17913,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: 17914, name: syz-executor.1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 4 locks held by syz-executor.1/17914: #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: __get_user_pages_locked mm/gup.c:1401 [inline] #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: __get_user_pages_remote+0x2b3/0x840 mm/gup.c:2015 #1: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline] #1: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2647 #2: ffffffff8bc645a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607 #3: ffff88803b0643e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #3: ffff88803b0643e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #3: ffff88803b0643e0 (&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: 17914 Comm: syz-executor.1 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: __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 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] do_anonymous_page mm/memory.c:3783 [inline] handle_pte_fault mm/memory.c:4568 [inline] __handle_mm_fault+0x1d56/0x4150 mm/memory.c:4705 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803 faultin_page mm/gup.c:944 [inline] __get_user_pages+0x503/0xf80 mm/gup.c:1165 __get_user_pages_locked mm/gup.c:1350 [inline] __get_user_pages_remote+0x18f/0x840 mm/gup.c:2015 pin_user_pages_remote+0x63/0x90 mm/gup.c:3087 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core.constprop.0+0x445/0x990 mm/process_vm_access.c:215 process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xdf/0x1b0 mm/process_vm_access.c:298 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: 0033:0x7f09909f6059 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f098f36b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f0990b08f60 RCX: 00007f09909f6059 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000b63 RBP: 00007f0990a5008d R08: 0000000000000065 R09: 0000000000000000 R10: 0000000020121000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec685229f R14: 00007f098f36b300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.17.0-rc1-next-20220124-syzkaller #0 Tainted: G W ----------------------------- syz-executor.1/17914 is trying to lock: ffff88803b064e00 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff88803b064e00 (&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.1/17914: #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: __get_user_pages_locked mm/gup.c:1401 [inline] #0: ffff88802271d528 (&mm->mmap_lock#2){++++}-{3:3}, at: __get_user_pages_remote+0x2b3/0x840 mm/gup.c:2015 #1: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: mem_cgroup_oom mm/memcontrol.c:1846 [inline] #1: ffffffff8bce23c0 (memcg_oom_lock#2){+.+.}-{0:0}, at: try_charge_memcg+0xafd/0x10f0 mm/memcontrol.c:2647 #2: ffffffff8bc645a8 (oom_lock){+.+.}-{3:3}, at: mem_cgroup_out_of_memory+0x8d/0x270 mm/memcontrol.c:1607 #3: ffff88803b0643e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #3: ffff88803b0643e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #3: ffff88803b0643e0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 1 PID: 17914 Comm: syz-executor.1 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: __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 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] do_anonymous_page mm/memory.c:3783 [inline] handle_pte_fault mm/memory.c:4568 [inline] __handle_mm_fault+0x1d56/0x4150 mm/memory.c:4705 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803 faultin_page mm/gup.c:944 [inline] __get_user_pages+0x503/0xf80 mm/gup.c:1165 __get_user_pages_locked mm/gup.c:1350 [inline] __get_user_pages_remote+0x18f/0x840 mm/gup.c:2015 pin_user_pages_remote+0x63/0x90 mm/gup.c:3087 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core.constprop.0+0x445/0x990 mm/process_vm_access.c:215 process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xdf/0x1b0 mm/process_vm_access.c:298 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: 0033:0x7f09909f6059 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f098f36b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f0990b08f60 RCX: 00007f09909f6059 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000b63 RBP: 00007f0990a5008d R08: 0000000000000065 R09: 0000000000000000 R10: 0000000020121000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec685229f R14: 00007f098f36b300 R15: 0000000000022000 BUG: sleeping function called from invalid context at kernel/futex/core.c:750 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17914, name: syz-executor.1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 17914 Comm: syz-executor.1 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: __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 __might_fault+0x6c/0x170 mm/memory.c:5269 fetch_robust_entry kernel/futex/core.c:750 [inline] exit_robust_list+0x5d/0x2c0 kernel/futex/core.c:778 futex_cleanup kernel/futex/core.c:1010 [inline] futex_exit_release+0x183/0x220 kernel/futex/core.c:1111 __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 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] do_anonymous_page mm/memory.c:3783 [inline] handle_pte_fault mm/memory.c:4568 [inline] __handle_mm_fault+0x1d56/0x4150 mm/memory.c:4705 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803 faultin_page mm/gup.c:944 [inline] __get_user_pages+0x503/0xf80 mm/gup.c:1165 __get_user_pages_locked mm/gup.c:1350 [inline] __get_user_pages_remote+0x18f/0x840 mm/gup.c:2015 pin_user_pages_remote+0x63/0x90 mm/gup.c:3087 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core.constprop.0+0x445/0x990 mm/process_vm_access.c:215 process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xdf/0x1b0 mm/process_vm_access.c:298 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: 0033:0x7f09909f6059 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f098f36b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f0990b08f60 RCX: 00007f09909f6059 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000b63 RBP: 00007f0990a5008d R08: 0000000000000065 R09: 0000000000000000 R10: 0000000020121000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec685229f R14: 00007f098f36b300 R15: 0000000000022000 Memory cgroup out of memory: Killed process 17914 (syz-executor.1) total-vm:60780kB, anon-rss:588kB, file-rss:15108kB, shmem-rss:1268kB, UID:0 pgtables:104kB oom_score_adj:1000