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=18087,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: 18087, name: syz-executor.3 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.3/18087: #0: ffff88804b424130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff88804b424130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3761 #1: ffffffff85278968 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278968 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff8880439158e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff8880439158e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff8880439158e0 (&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: 18087 Comm: syz-executor.3 Not tainted 5.16.0-next-20220113 #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+0x1198/0x1460 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:2904 [inline] __vmalloc_area_node mm/vmalloc.c:2967 [inline] __vmalloc_node_range+0xb2a/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 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: 0033:0x7fd6f1b0cb19 Code: Unable to access opcode bytes at RIP 0x7fd6f1b0caef. RSP: 002b:00007fd6ef082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd6f1c1ff60 RCX: 00007fd6f1b0cb19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007fd6f1b66f6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff12f5dfbf R14: 00007fd6ef082300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.16.0-next-20220113 #1 Tainted: G W ----------------------------- syz-executor.3/18087 is trying to lock: ffff8880439162f0 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff8880439162f0 (&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.3/18087: #0: ffff88804b424130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff88804b424130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3761 #1: ffffffff85278968 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278968 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff8880439158e0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff8880439158e0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff8880439158e0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 0 PID: 18087 Comm: syz-executor.3 Tainted: G W 5.16.0-next-20220113 #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+0x1198/0x1460 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:2904 [inline] __vmalloc_area_node mm/vmalloc.c:2967 [inline] __vmalloc_node_range+0xb2a/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 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: 0033:0x7fd6f1b0cb19 Code: Unable to access opcode bytes at RIP 0x7fd6f1b0caef. RSP: 002b:00007fd6ef082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd6f1c1ff60 RCX: 00007fd6f1b0cb19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007fd6f1b66f6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff12f5dfbf R14: 00007fd6ef082300 R15: 0000000000022000 Out of memory (oom_kill_allocating_task): Killed process 18086 (syz-executor.3) total-vm:93412kB, anon-rss:396kB, file-rss:34004kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 oom_reaper: reaped process 18086 (syz-executor.3), now anon-rss:0kB, file-rss:34000kB, shmem-rss:0kB syz-executor.0: vmalloc error: size 451903488, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz0,mems_allowed=0 CPU: 1 PID: 18082 Comm: syz-executor.0 Tainted: G W 5.16.0-next-20220113 #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 warn_alloc.cold+0x95/0x18a mm/page_alloc.c:4238 __vmalloc_area_node mm/vmalloc.c:2978 [inline] __vmalloc_node_range+0xd50/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 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: 0033:0x7f679a244b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f67977ba188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f679a357f60 RCX: 00007f679a244b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f679a29ef6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd4f9bf0f R14: 00007f67977ba300 R15: 0000000000022000 Mem-Info: active_anon:6432 inactive_anon:36314 isolated_anon:0 active_file:70 inactive_file:124 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:7613 slab_unreclaimable:62317 mapped:69747 shmem:402 pagetables:2929 bounce:0 kernel_misc_reclaimable:0 free:3257 free_pcp:330 free_cma:0 Node 0 active_anon:25728kB inactive_anon:145256kB active_file:188kB inactive_file:580kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278988kB dirty:0kB writeback:0kB shmem:1608kB writeback_tmp:0kB kernel_stack:5920kB pagetables:11716kB all_unreclaimable? no Node 0 DMA free:6504kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 1617 Node 0 DMA32 free:6524kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:0KB active_anon:25728kB inactive_anon:145252kB active_file:0kB inactive_file:232kB unevictable:0kB writepending:0kB present:2080640kB managed:1660796kB mlocked:0kB bounce:0kB free_pcp:1060kB local_pcp:360kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 3*4kB (UM) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 6508kB Node 0 DMA32: 550*4kB (UM) 294*8kB (M) 81*16kB (UM) 24*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6616kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 579 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105119 pages reserved