kmem_cache_node 51KB 51KB kmem_cache 82KB 82KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz7,mems_allowed=0,global_oom,task_memcg=/syz7,task=syz-executor.7,pid=12558,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: 12558, name: syz-executor.7 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.7/12558: #0: ffff88801f656130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff88801f656130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3771 #1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4279 [inline] #1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5061 #2: ffff888062282360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff888062282360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:179 [inline] #2: ffff888062282360 (&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: 12558 Comm: syz-executor.7 Not tainted 5.16.0-rc6-next-20211224 #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:4330 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5061 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392 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:4301 [inline] alloc_pg_vec net/packet/af_packet.c:4326 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4411 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3788 __sys_setsockopt+0x180/0x2a0 net/socket.c:2177 __do_sys_setsockopt net/socket.c:2188 [inline] __se_sys_setsockopt net/socket.c:2185 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2185 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: 0033:0x7f62c0de1b19 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:00007f62be357188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f62c0ef4f60 RCX: 00007f62c0de1b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f62c0e3bf6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe87c9a83f R14: 00007f62be357300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.16.0-rc6-next-20211224 #1 Tainted: G W ----------------------------- syz-executor.7/12558 is trying to lock: ffff888062282d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff888062282d70 (&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.7/12558: #0: ffff88801f656130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff88801f656130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3771 #1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4279 [inline] #1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5061 #2: ffff888062282360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff888062282360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:179 [inline] #2: ffff888062282360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 0 PID: 12558 Comm: syz-executor.7 Tainted: G W 5.16.0-rc6-next-20211224 #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:4330 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5061 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392 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:4301 [inline] alloc_pg_vec net/packet/af_packet.c:4326 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4411 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3788 __sys_setsockopt+0x180/0x2a0 net/socket.c:2177 __do_sys_setsockopt net/socket.c:2188 [inline] __se_sys_setsockopt net/socket.c:2185 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2185 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: 0033:0x7f62c0de1b19 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:00007f62be357188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f62c0ef4f60 RCX: 00007f62c0de1b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f62c0e3bf6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe87c9a83f R14: 00007f62be357300 R15: 0000000000022000 Out of memory (oom_kill_allocating_task): Killed process 12487 (syz-executor.7) total-vm:93544kB, anon-rss:396kB, file-rss:34148kB, shmem-rss:0kB, UID:0 pgtables:144kB oom_score_adj:1000 oom_reaper: reaped process 12487 (syz-executor.7), now anon-rss:0kB, file-rss:34012kB, shmem-rss:0kB syz-executor.5 invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=1000 CPU: 1 PID: 12481 Comm: syz-executor.5 Tainted: G W 5.16.0-rc6-next-20211224 #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 dump_header+0x106/0x60f mm/oom_kill.c:464 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994 out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4330 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5061 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:1000 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:2003 filemap_fault+0x155a/0x2130 mm/filemap.c:3140 __do_fault+0x113/0x5a0 mm/memory.c:3846 do_shared_fault mm/memory.c:4216 [inline] do_fault mm/memory.c:4294 [inline] handle_pte_fault mm/memory.c:4548 [inline] __handle_mm_fault+0x11c4/0x3570 mm/memory.c:4683 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4781 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f48560e3673 Code: Unable to access opcode bytes at RIP 0x7f48560e3649. RSP: 002b:00007ffe65610e48 EFLAGS: 00010283 RAX: 0000001b2dc2547c RBX: 00007f4855ebd010 RCX: 0000001b2dc20000 RDX: 0000001b2dc25480 RSI: 00007f48560bd000 RDI: 0000000081006e8c RBP: 0000000000000667 R08: 0000001b2ec20000 R09: 0000001b2dc22dcc R10: 0000000000000acf R11: 0000000001b76ad3 R12: 00007f4855ec0340 R13: 00007f48560bd000 R14: ffffffff8169a5f7 R15: 00007f4856258ff0 Mem-Info: active_anon:8166 inactive_anon:40985 isolated_anon:0 active_file:43 inactive_file:203 isolated_file:25 unevictable:0 dirty:4 writeback:0 slab_reclaimable:7341 slab_unreclaimable:63771 mapped:69717 shmem:148 pagetables:3222 bounce:0 kernel_misc_reclaimable:0 free:3605 free_pcp:33 free_cma:0 warn_alloc: 2 callbacks suppressed syz-executor.3: vmalloc error: size 194891776, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) Node 0 active_anon:32664kB inactive_anon:163940kB active_file:340kB inactive_file:584kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:278952kB dirty:16kB writeback:0kB shmem:592kB writeback_tmp:0kB kernel_stack:6208kB pagetables:12888kB all_unreclaimable? no ,cpuset= Node 0 DMA free:6424kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB 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 syz3 lowmem_reserve[]: 0 ,mems_allowed=0 1617 1617 1617 Node 0 DMA32 free:7996kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:2048KB active_anon:32664kB inactive_anon:164024kB active_file:396kB inactive_file:736kB unevictable:0kB writepending:16kB present:2080640kB managed:1660836kB mlocked:0kB bounce:0kB free_pcp:204kB local_pcp:0kB free_cma:0kB CPU: 0 PID: 12485 Comm: syz-executor.3 Tainted: G W 5.16.0-rc6-next-20211224 #1 lowmem_reserve[]: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 0 Call Trace: 0 0 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 0 warn_alloc.cold+0x87/0x18d mm/page_alloc.c:4236 Node 0 DMA: 2*4kB (U) 0*8kB 1*16kB __vmalloc_area_node mm/vmalloc.c:2978 [inline] __vmalloc_node_range+0xd50/0xfd0 mm/vmalloc.c:3106 (U) 0*32kB 0*64kB 0*128kB __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 1*256kB (U) alloc_one_pg_vec_page net/packet/af_packet.c:4301 [inline] alloc_pg_vec net/packet/af_packet.c:4326 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4411 0*512kB packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3788 0*1024kB 1*2048kB (M) 1*4096kB (M) = 6424kB Node 0 DMA32: 476*4kB (UMEH) __sys_setsockopt+0x180/0x2a0 net/socket.c:2177 232*8kB (UMEH) 95*16kB __do_sys_setsockopt net/socket.c:2188 [inline] __se_sys_setsockopt net/socket.c:2185 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2185 (MEH) 57*32kB do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 (UMEH) entry_SYSCALL_64_after_hwframe+0x44/0xae 12*64kB RIP: 0033:0x7f357c46cb19 (UM) 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 1*128kB RSP: 002b:00007f35799e2188 EFLAGS: 00000246 (U) ORIG_RAX: 0000000000000036 0*256kB RAX: ffffffffffffffda RBX: 00007f357c57ff60 RCX: 00007f357c46cb19 0*512kB RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 0*1024kB RBP: 00007f357c4c6f6d R08: 0000000000000010 R09: 0000000000000000 0*2048kB R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 0*4096kB R13: 00007ffc330ae10f R14: 00007f35799e2300 R15: 0000000000022000 = 8000kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Mem-Info: 393 total pagecache pages active_anon:8166 inactive_anon:40985 isolated_anon:0 active_file:85 inactive_file:146 isolated_file:25 unevictable:0 dirty:4 writeback:0 slab_reclaimable:7341 slab_unreclaimable:63771 mapped:69738 shmem:148 pagetables:3222 bounce:0 kernel_misc_reclaimable:0 free:3605 free_pcp:51 free_cma:0 0 pages in swap cache Node 0 active_anon:32664kB inactive_anon:163940kB active_file:340kB inactive_file:584kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:278952kB dirty:16kB writeback:0kB shmem:592kB writeback_tmp:0kB kernel_stack:6208kB pagetables:12888kB all_unreclaimable? no Swap cache stats: add 0, delete 0, find 0/0 Node 0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105109 pages reserved Unreclaimable slab info: Name Used Total pid_5 7KB 7KB DMA free:6424kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB 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 pid_4 15KB 15KB pid_3 15KB 15KB lowmem_reserve[]: pid_2 232KB 232KB IEEE-802.15.4-MAC 63KB 63KB 0 IEEE-802.15.4-RAW 63KB 63KB fib6_nodes 28KB 28KB 1617 ip6_dst_cache 33KB 33KB PINGv6 63KB 63KB 1617 RAWv6 189KB 189KB 1617 UDPLITEv6 62KB 62KB UDPv6 62KB 62KB TCPv6 62KB 62KB scsi_sense_cache 8KB 8KB Node 0 sd_ext_cdb 3KB 3KB virtio_scsi_cmd 16KB 16KB DMA32 free:7996kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:2048KB active_anon:32664kB inactive_anon:164024kB active_file:396kB inactive_file:736kB unevictable:0kB writepending:16kB present:2080640kB managed:1660836kB mlocked:0kB bounce:0kB free_pcp:204kB local_pcp:204kB free_cma:0kB bio-96 7KB 7KB sgpool-128 127KB 297KB lowmem_reserve[]: sgpool-64 63KB 63KB sgpool-32 203KB 220KB 0 sgpool-16 127KB 127KB 0 sgpool-8 101KB 101KB bio-224 3KB 3KB 0 mqueue_inode_cache 60KB 60KB nfs_commit_data 15KB 15KB 0 nfs_write_data 47KB 47KB jbd2_inode 7KB 7KB ext4_system_zone 7KB 7KB Node 0 ext4_io_end_vec 11KB 11KB DMA: ext4_bio_post_read_ctx 15KB 15KB io_kiocb 45KB 63KB 2*4kB kioctx 31KB 31KB aio_kiocb 7KB 7KB dnotify_mark 3KB 3KB (U) dnotify_struct 3KB 3KB dio 15KB 15KB 0*8kB fasync_cache 7KB 7KB pid_namespace 15KB 15KB 1*16kB posix_timers_cache 7KB 7KB (U) rpc_buffers 31KB 31KB 0*32kB rpc_tasks 3KB 3KB 0*64kB UNIX-STREAM 261KB 341KB UNIX 248KB 248KB 0*128kB ip4-frags 7KB 7KB 1*256kB UDP-Lite 63KB 63KB tcp_bind_bucket 8KB 8KB (U) inet_peer_cache 8KB 8KB xfrm_state 15KB 15KB 0*512kB ip_fib_trie 8KB 8KB ip_fib_alias 11KB 11KB 0*1024kB ip_dst_cache 8KB 8KB PING 31KB 31KB 1*2048kB RAW 125KB 125KB (M) UDP 220KB 220KB request_sock_TCP 15KB 15KB 1*4096kB TCP 58KB 58KB (M) hugetlbfs_inode_cache 31KB 31KB bio-216 11KB 11KB = 6424kB ep_head 8KB 8KB eventpoll_pwq 23KB 23KB Node 0 eventpoll_epi 39KB 39KB DMA32: inotify_inode_mark 50KB 50KB 476*4kB request_queue 62KB 62KB (UMEH) blkdev_ioc 8KB 8KB bio-160 36KB 36KB 232*8kB biovec-max 964KB 964KB biovec-64 472KB 488KB (UMEH) biovec-16 56KB 60KB user_namespace 30KB 30KB 95*16kB uid_cache 7KB 7KB dmaengine-unmap-2 4KB 4KB (MEH) audit_buffer 15KB 15KB skbuff_fclone_cache 97KB 97KB 57*32kB skbuff_head_cache 153KB 153KB configfs_dir_cache 4KB 4KB (UMEH) file_lock_cache 51KB 51KB file_lock_ctx 7KB 7KB 12*64kB fsnotify_mark_connector 40KB 40KB (UM) net_namespace 93KB 93KB taskstats 53KB 53KB proc_dir_entry 361KB 375KB 1*128kB pde_opener 27KB 27KB seq_file 63KB 63KB sigqueue 43KB 43KB (U) shmem_inode_cache 1529KB 1655KB kernfs_iattrs_cache 223KB 231KB 0*256kB kernfs_node_cache 5351KB 5361KB 0*512kB mnt_cache 338KB 338KB 0*1024kB filp 2403KB 2816KB 0*2048kB names_cache 20055KB 21037KB 0*4096kB hashtab_node 274KB 274KB = 8000kB ebitmap_node 1149KB 1149KB avtab_node 4980KB 4980KB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB avc_node 35KB 35KB 393 total pagecache pages lsm_inode_cache 2718KB 3047KB 0 pages in swap cache lsm_file_cache 123KB 156KB Swap cache stats: add 0, delete 0, find 0/0 key_jar 39KB 39KB Free swap = 0kB uts_namespace 15KB 15KB Total swap = 0kB nsproxy 15KB 15KB 524158 pages RAM vm_area_struct 1859KB 1876KB mm_struct 308KB 346KB 0 pages HighMem/MovableOnly fs_cache 52KB 56KB 105109 pages reserved files_cache 207KB 207KB signal_cache 420KB 455KB sighand_cache 469KB 481KB task_struct 5436KB 5457KB cred_jar 169KB 200KB anon_vma_chain 454KB 472KB anon_vma 420KB 420KB pid 61KB 67KB Acpi-Operand 95KB 150KB Acpi-ParseExt 31KB 31KB Acpi-Parse 43KB 59KB Acpi-State 43KB 59KB Acpi-Namespace 28KB 28KB shared_policy_node 4KB 4KB numa_policy 7KB 7KB perf_event 63KB 63KB trace_event_file 171KB 171KB ftrace_event_field 296KB 296KB pool_workqueue 48KB 48KB task_group 16KB 16KB vmap_area 55KB 55KB page->ptl 406KB 413KB kmemleak_scan_area 35KB 43KB kmemleak_object 138809KB 148898KB kmalloc-cg-8k 96KB 96KB kmalloc-cg-4k 1088KB 1152KB kmalloc-cg-2k 984KB 1024KB kmalloc-cg-1k 290KB 320KB kmalloc-cg-512 250KB 288KB kmalloc-cg-256 40KB 40KB kmalloc-cg-192 28KB 28KB kmalloc-cg-128 12KB 12KB kmalloc-cg-96 36KB 36KB kmalloc-cg-64 32KB 32KB kmalloc-cg-32 60KB 72KB kmalloc-cg-16 16KB 16KB kmalloc-cg-8 27KB 27KB kmalloc-8k 4544KB 4544KB kmalloc-4k 6680KB 7104KB kmalloc-2k 4428KB 4544KB kmalloc-1k 1888KB 3680KB kmalloc-512 1816KB 3328KB kmalloc-256 963KB 1080KB kmalloc-192 369KB 580KB kmalloc-128 452KB 584KB kmalloc-96 296KB 528KB kmalloc-64 990KB 1284KB kmalloc-32 745KB 788KB kmalloc-16 322KB 340KB kmalloc-8 271KB 274KB kmem_cache_node 51KB 51KB kmem_cache 82KB 82KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz5,mems_allowed=0,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=12481,uid=0 Out of memory (oom_kill_allocating_task): Killed process 12481 (syz-executor.5) total-vm:93412kB, anon-rss:384kB, file-rss:33992kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000 oom_reaper: reaped process 12481 (syz-executor.5), now anon-rss:0kB, file-rss:33964kB, shmem-rss:0kB ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W