============================= WARNING: suspicious RCU usage 4.19.0-rc2+ #99 Not tainted ----------------------------- include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle! other info that might help us debug this: RCU used illegally from idle CPU! rcu_scheduler_active = 2, debug_locks = 1 RCU used illegally from extended quiescent state! 1 lock held by swapper/1/0: #0: 00000000aba8d7ac (rcu_read_lock){....}, at: trace_call_bpf+0x14b/0x660 kernel/trace/bpf_trace.c:46 stack backtrace: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc2+ #99 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lockdep_rcu_suspicious+0x14a/0x153 kernel/locking/lockdep.c:4537 rcu_read_lock include/linux/rcupdate.h:630 [inline] trace_call_bpf+0x59e/0x660 kernel/trace/bpf_trace.c:72 perf_trace_run_bpf_submit+0x162/0x330 kernel/events/core.c:8264 perf_trace_preemptirq_template+0x407/0x690 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x250/0x310 kernel/trace/trace_preemptirq.c:25 default_idle_call+0x36/0x90 kernel/sched/idle.c:90 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x3db/0x5b0 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 start_secondary+0x523/0x750 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 ============================= WARNING: suspicious RCU usage 4.19.0-rc2+ #99 Not tainted ----------------------------- kernel/trace/bpf_trace.c:72 suspicious rcu_dereference_check() usage! other info that might help us debug this: RCU used illegally from idle CPU! rcu_scheduler_active = 2, debug_locks = 1 RCU used illegally from extended quiescent state! 1 lock held by swapper/1/0: #0: 00000000aba8d7ac (rcu_read_lock){....}, at: trace_call_bpf+0x14b/0x660 kernel/trace/bpf_trace.c:46 stack backtrace: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc2+ #99 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lockdep_rcu_suspicious+0x14a/0x153 kernel/locking/lockdep.c:4537 trace_call_bpf+0x556/0x660 kernel/trace/bpf_trace.c:72 perf_trace_run_bpf_submit+0x162/0x330 kernel/events/core.c:8264 perf_trace_preemptirq_template+0x407/0x690 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x250/0x310 kernel/trace/trace_preemptirq.c:25 default_idle_call+0x36/0x90 kernel/sched/idle.c:90 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x3db/0x5b0 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 start_secondary+0x523/0x750 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 ============================= WARNING: suspicious RCU usage 4.19.0-rc2+ #99 Not tainted ----------------------------- include/linux/rcupdate.h:680 rcu_read_unlock() used illegally while idle! other info that might help us debug this: RCU used illegally from idle CPU! rcu_scheduler_active = 2, debug_locks = 1 RCU used illegally from extended quiescent state! 1 lock held by swapper/1/0: #0: 00000000aba8d7ac (rcu_read_lock){....}, at: trace_call_bpf+0x14b/0x660 kernel/trace/bpf_trace.c:46 stack backtrace: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc2+ #99 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lockdep_rcu_suspicious+0x14a/0x153 kernel/locking/lockdep.c:4537 rcu_read_unlock include/linux/rcupdate.h:679 [inline] trace_call_bpf+0x50e/0x660 kernel/trace/bpf_trace.c:72 perf_trace_run_bpf_submit+0x162/0x330 kernel/events/core.c:8264 perf_trace_preemptirq_template+0x407/0x690 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x250/0x310 kernel/trace/trace_preemptirq.c:25 default_idle_call+0x36/0x90 kernel/sched/idle.c:90 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x3db/0x5b0 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 start_secondary+0x523/0x750 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 device nr0 entered promiscuous mode can: request_module (can-proto-4) failed. can: request_module (can-proto-4) failed. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 18813 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #99 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x26e/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] __ip_append_data.isra.47+0x21d6/0x29b0 net/ipv4/ip_output.c:988 ip_append_data.part.48+0xef/0x170 net/ipv4/ip_output.c:1196 ip_append_data+0x6d/0x90 net/ipv4/ip_output.c:1185 raw_sendmsg+0x1220/0x4380 net/ipv4/raw.c:671 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2114 __sys_sendmsg+0x11d/0x280 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff792552c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff7925536d4 RCX: 0000000000457679 RDX: 0000000000000080 RSI: 0000000020000840 RDI: 0000000000000003 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 R13: 00000000004d5478 R14: 00000000004c3865 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 18861 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #99 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x270/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x155/0x770 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:997 [inline] __ip_append_data.isra.47+0x21d6/0x29b0 net/ipv4/ip_output.c:988 ip_append_data.part.48+0xef/0x170 net/ipv4/ip_output.c:1196 ip_append_data+0x6d/0x90 net/ipv4/ip_output.c:1185 raw_sendmsg+0x1220/0x4380 net/ipv4/raw.c:671 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2114 __sys_sendmsg+0x11d/0x280 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff792573c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff7925746d4 RCX: 0000000000457679 RDX: 0000000000000080 RSI: 0000000020000840 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 R13: 00000000004d5478 R14: 00000000004c3865 R15: 0000000000000001 EXT4-fs warning (device sda1): verify_group_input:104: Cannot add at group 1952804399 (only 16 groups) EXT4-fs warning (device sda1): verify_group_input:104: Cannot add at group 1952804399 (only 16 groups)