kmem_cache_node 51KB 51KB kmem_cache 82KB 82KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz3,mems_allowed=0,global_oom,task_memcg=/syz3,task=syz-executor.3,pid=6311,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: 6311, name: syz-executor.3 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.3/6311: #0: ffff888041280130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff888041280130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3761 #1: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff8880182b2360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff8880182b2360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff8880182b2360 (&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: 6311 Comm: syz-executor.3 Not tainted 5.16.0-next-20220118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 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+0x9e/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 vm_area_alloc_pages mm/vmalloc.c:2902 [inline] __vmalloc_area_node mm/vmalloc.c:2965 [inline] __vmalloc_node_range+0xc40/0x10b0 mm/vmalloc.c:3110 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3160 alloc_one_pg_vec_page net/packet/af_packet.c:4291 [inline] alloc_pg_vec net/packet/af_packet.c:4316 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4401 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3778 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7eff985bfb19 Code: Unable to access opcode bytes at RIP 0x7eff985bfaef. RSP: 002b:00007eff95b35188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007eff986d2f60 RCX: 00007eff985bfb19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007eff98619f6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd622dd5ff R14: 00007eff95b35300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.16.0-next-20220118 #1 Tainted: G W ----------------------------- syz-executor.3/6311 is trying to lock: ffff8880182b2d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff8880182b2d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 other info that might help us debug this: context-{4:4} 3 locks held by syz-executor.3/6311: #0: ffff888041280130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff888041280130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3761 #1: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff8880182b2360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff8880182b2360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff8880182b2360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 1 PID: 6311 Comm: syz-executor.3 Tainted: G W 5.16.0-next-20220118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 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+0xc8/0x3b4 kernel/locking/lockdep.c:4977 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __mutex_lock_common kernel/locking/mutex.c:600 [inline] __mutex_lock+0x136/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 vm_area_alloc_pages mm/vmalloc.c:2902 [inline] __vmalloc_area_node mm/vmalloc.c:2965 [inline] __vmalloc_node_range+0xc40/0x10b0 mm/vmalloc.c:3110 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3160 alloc_one_pg_vec_page net/packet/af_packet.c:4291 [inline] alloc_pg_vec net/packet/af_packet.c:4316 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4401 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3778 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7eff985bfb19 Code: Unable to access opcode bytes at RIP 0x7eff985bfaef. RSP: 002b:00007eff95b35188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007eff986d2f60 RCX: 00007eff985bfb19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007eff98619f6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd622dd5ff R14: 00007eff95b35300 R15: 0000000000022000 Out of memory (oom_kill_allocating_task): Killed process 6305 (syz-executor.3) total-vm:93540kB, anon-rss:388kB, file-rss:34240kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000 oom_reaper: reaped process 6305 (syz-executor.3), now anon-rss:0kB, file-rss:34012kB, shmem-rss:0kB