====================================================== WARNING: possible circular locking dependency detected 4.14.174-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/24984 is trying to acquire lock: (&sig->cred_guard_mutex){+.+.}, at: [] lock_trace+0x3f/0xc0 fs/proc/base.c:407 but task is already holding lock: (&p->lock){+.+.}, at: [] seq_read+0xba/0x1160 fs/seq_file.c:165 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 seq_read+0xba/0x1160 fs/seq_file.c:165 proc_reg_read+0xf2/0x160 fs/proc/inode.c:217 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x3e3/0x5a0 fs/read_write.c:919 vfs_readv+0xd3/0x130 fs/read_write.c:981 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x41d/0x870 fs/splice.c:416 do_splice_to+0xfb/0x150 fs/splice.c:880 splice_direct_to_actor+0x20a/0x730 fs/splice.c:952 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x469/0xaf0 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #2 (sb_writers#4){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x1a1/0x2e0 fs/super.c:1363 sb_start_write include/linux/fs.h:1548 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 ovl_create_object+0x75/0x1d0 fs/overlayfs/dir.c:538 lookup_open+0x10e8/0x1750 fs/namei.c:3241 do_last fs/namei.c:3334 [inline] path_openat+0xfc1/0x3c50 fs/namei.c:3569 do_filp_open+0x18e/0x250 fs/namei.c:3603 do_sys_open+0x29d/0x3f0 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x37/0xa0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:728 [inline] do_last fs/namei.c:3333 [inline] path_openat+0x185a/0x3c50 fs/namei.c:3569 do_filp_open+0x18e/0x250 fs/namei.c:3603 do_open_execat+0xda/0x430 fs/exec.c:849 do_execveat_common.isra.0+0x694/0x1c70 fs/exec.c:1740 do_execve fs/exec.c:1847 [inline] SYSC_execve fs/exec.c:1928 [inline] SyS_execve+0x34/0x40 fs/exec.c:1923 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&sig->cred_guard_mutex){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 lock_trace+0x3f/0xc0 fs/proc/base.c:407 proc_pid_syscall+0x81/0x1f0 fs/proc/base.c:639 proc_single_show+0xe7/0x150 fs/proc/base.c:761 seq_read+0x4d2/0x1160 fs/seq_file.c:237 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x3e3/0x5a0 fs/read_write.c:919 vfs_readv+0xd3/0x130 fs/read_write.c:981 do_preadv+0x161/0x200 fs/read_write.c:1065 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> sb_writers#4 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(sb_writers#4); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 1 lock held by syz-executor.0/24984: #0: (&p->lock){+.+.}, at: [] seq_read+0xba/0x1160 fs/seq_file.c:165 stack backtrace: CPU: 0 PID: 24984 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1c4/0x282 kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 lock_trace+0x3f/0xc0 fs/proc/base.c:407 proc_pid_syscall+0x81/0x1f0 fs/proc/base.c:639 proc_single_show+0xe7/0x150 fs/proc/base.c:761 seq_read+0x4d2/0x1160 fs/seq_file.c:237 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x3e3/0x5a0 fs/read_write.c:919 vfs_readv+0xd3/0x130 fs/read_write.c:981 do_preadv+0x161/0x200 fs/read_write.c:1065 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c849 RSP: 002b:00007f95126f1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f95126f26d4 RCX: 000000000045c849 RDX: 00000000000001b2 RSI: 00000000200017c0 RDI: 0000000000000004 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000856 R14: 00000000004cb170 R15: 000000000076bf0c ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table IPVS: Scheduler module ip_vs_sip not found FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 25222 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x14b lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x292/0x7b0 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node+0x38/0x70 mm/slab.c:3689 kmalloc_node include/linux/slab.h:530 [inline] kvmalloc_node+0x46/0xd0 mm/util.c:397 kvmalloc include/linux/mm.h:531 [inline] xt_alloc_table_info+0x6a/0xe0 net/netfilter/x_tables.c:1062 do_replace net/ipv4/netfilter/ip_tables.c:1127 [inline] do_ipt_set_ctl+0x1b1/0x39d net/ipv4/netfilter/ip_tables.c:1674 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x94/0xb0 net/ipv4/ip_sockglue.c:1240 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2451 ipv6_setsockopt+0x98/0x130 net/ipv6/ipv6_sockglue.c:926 tcp_setsockopt net/ipv4/tcp.c:2826 [inline] tcp_setsockopt+0x7b/0xc0 net/ipv4/tcp.c:2820 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c849 RSP: 002b:00007f95126f1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f95126f26d4 RCX: 000000000045c849 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000740 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000a33 R14: 00000000004ccdba R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 25231 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x14b lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x292/0x7b0 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node+0x38/0x70 mm/slab.c:3689 kmalloc_node include/linux/slab.h:530 [inline] kvmalloc_node+0x46/0xd0 mm/util.c:397 kvmalloc include/linux/mm.h:531 [inline] kvmalloc_array include/linux/mm.h:547 [inline] xt_alloc_entry_offsets+0x2f/0x40 net/netfilter/x_tables.c:825 translate_table+0x1f7/0x1430 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1138 [inline] do_ipt_set_ctl+0x227/0x39d net/ipv4/netfilter/ip_tables.c:1674 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x94/0xb0 net/ipv4/ip_sockglue.c:1240 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2451 ipv6_setsockopt+0x98/0x130 net/ipv6/ipv6_sockglue.c:926 tcp_setsockopt net/ipv4/tcp.c:2826 [inline] tcp_setsockopt+0x7b/0xc0 net/ipv4/tcp.c:2820 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c849 RSP: 002b:00007f95126f1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f95126f26d4 RCX: 000000000045c849 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000740 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000a33 R14: 00000000004ccdba R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 25237 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x14b lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x292/0x7b0 mm/slab.c:3659 kmalloc_node include/linux/slab.h:526 [inline] kzalloc_node include/linux/slab.h:672 [inline] __get_vm_area_node+0xed/0x340 mm/vmalloc.c:1406 __vmalloc_node_range+0xa5/0x6c0 mm/vmalloc.c:1759 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc_node_flags mm/vmalloc.c:1829 [inline] vmalloc+0x42/0x50 mm/vmalloc.c:1851 htable_create net/netfilter/xt_hashlimit.c:290 [inline] hashlimit_mt_check_common.isra.0+0x6fb/0x12c0 net/netfilter/xt_hashlimit.c:909 hashlimit_mt_check_v1+0x2ec/0x36d net/netfilter/xt_hashlimit.c:935 xt_check_match+0x22e/0x4c0 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:485 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:501 [inline] find_check_entry.isra.0+0x2c3/0x830 net/ipv4/netfilter/ip_tables.c:551 translate_table+0xac0/0x1430 net/ipv4/netfilter/ip_tables.c:737 do_replace net/ipv4/netfilter/ip_tables.c:1138 [inline] do_ipt_set_ctl+0x227/0x39d net/ipv4/netfilter/ip_tables.c:1674 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x94/0xb0 net/ipv4/ip_sockglue.c:1240 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2451 ipv6_setsockopt+0x98/0x130 net/ipv6/ipv6_sockglue.c:926 tcp_setsockopt net/ipv4/tcp.c:2826 [inline] tcp_setsockopt+0x7b/0xc0 net/ipv4/tcp.c:2820 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c849 RSP: 002b:00007f95126f1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f95126f26d4 RCX: 000000000045c849 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000740 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000a33 R14: 00000000004ccdba R15: 0000000000000002 syz-executor.0: vmalloc: allocation failure: 65856 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) syz-executor.0 cpuset=syz0 mems_allowed=0-1 CPU: 0 PID: 25237 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __vmalloc_node_range mm/vmalloc.c:1786 [inline] __vmalloc_node_range+0x3e2/0x6c0 mm/vmalloc.c:1746 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc_node_flags mm/vmalloc.c:1829 [inline] vmalloc+0x42/0x50 mm/vmalloc.c:1851 htable_create net/netfilter/xt_hashlimit.c:290 [inline] hashlimit_mt_check_common.isra.0+0x6fb/0x12c0 net/netfilter/xt_hashlimit.c:909 hashlimit_mt_check_v1+0x2ec/0x36d net/netfilter/xt_hashlimit.c:935 xt_check_match+0x22e/0x4c0 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:485 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:501 [inline] find_check_entry.isra.0+0x2c3/0x830 net/ipv4/netfilter/ip_tables.c:551 translate_table+0xac0/0x1430 net/ipv4/netfilter/ip_tables.c:737 do_replace net/ipv4/netfilter/ip_tables.c:1138 [inline] do_ipt_set_ctl+0x227/0x39d net/ipv4/netfilter/ip_tables.c:1674 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x94/0xb0 net/ipv4/ip_sockglue.c:1240 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2451 ipv6_setsockopt+0x98/0x130 net/ipv6/ipv6_sockglue.c:926 tcp_setsockopt net/ipv4/tcp.c:2826 [inline] tcp_setsockopt+0x7b/0xc0 net/ipv4/tcp.c:2820 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c849 RSP: 002b:00007f95126f1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f95126f26d4 RCX: 000000000045c849 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000740 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000a33 R14: 00000000004ccdba R15: 0000000000000002 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. Mem-Info: active_anon:325845 inactive_anon:278 isolated_anon:0 active_file:12130 inactive_file:12124 isolated_file:0 unevictable:0 dirty:73 writeback:0 unstable:0 slab_reclaimable:14420 slab_unreclaimable:116213 mapped:60654 shmem:356 pagetables:4718 bounce:0 free:708054 free_pcp:365 free_cma:0 audit: type=1804 audit(1584906485.177:93): pid=25247 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir690476832/syzkaller.lYTSdJ/561/bus" dev="sda1" ino=16704 res=1 Node 0 active_anon:1263584kB inactive_anon:1112kB active_file:48032kB inactive_file:48088kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:242616kB dirty:384kB writeback:0kB shmem:1424kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 444416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:35680kB inactive_anon:0kB active_file:488kB inactive_file:408kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10680kB min:220kB low:272kB high:324kB active_anon:76kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2557 2557 2557 2557 Node 0 DMA32 free:155272kB min:36272kB low:45340kB high:54408kB active_anon:1263408kB inactive_anon:1112kB active_file:48032kB inactive_file:48088kB unevictable:0kB writepending:432kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:9408kB pagetables:11496kB bounce:0kB free_pcp:1268kB local_pcp:668kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:2669332kB min:53612kB low:67012kB high:80412kB active_anon:35680kB inactive_anon:0kB active_file:488kB inactive_file:408kB unevictable:0kB writepending:8kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2176kB pagetables:7228kB bounce:0kB free_pcp:736kB local_pcp:592kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 2*4kB (UM) 2*8kB (U) 4*16kB (UM) 5*32kB (UM) 3*64kB (U) 2*128kB (UM) 1*256kB (M) 1*512kB (M) 1*1024kB (M) 0*2048kB 2*4096kB (M) = 10680kB Node 0 DMA32: 2176*4kB (UME) 1146*8kB (UMEH) 667*16kB (UMEH) 820*32kB (UMEH) 379*64kB (UMEH) 56*128kB (UMEH) 7*256kB (MH) 3*512kB (UM) 0*1024kB 1*2048kB (M) 15*4096kB (UM) = 153024kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 3435*4kB (UME) 2811*8kB (UM) 1749*16kB (UME) 794*32kB (UM) 334*64kB (UME) 157*128kB (UM) 55*256kB (UM) 20*512kB (U) 3*1024kB (U) 4*2048kB (UME) 611*4096kB (M) = 2669332kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 24623 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 339049 pages reserved 0 pages cma reserved net_ratelimit: 3 callbacks suppressed ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. bridge0: port 4(veth19) entered blocking state bridge0: port 4(veth19) entered disabled state device veth19 entered promiscuous mode device veth19 left promiscuous mode bridge0: port 4(veth19) entered disabled state netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.