From: kernel test robot <oliver.sang@intel.com> To: Valentin Schneider <vschneid@redhat.com> Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <netdev@vger.kernel.org>, <bpf@vger.kernel.org>, <ltp@lists.linux.it>, <dccp@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-rt-users@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, "Jakub Kicinski" <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, <mleitner@redhat.com>, David Ahern <dsahern@kernel.org>, Juri Lelli <juri.lelli@redhat.com>, Tomas Glozar <tglozar@redhat.com>, "Sebastian Andrzej Siewior" <bigeasy@linutronix.de>, Thomas Gleixner <tglx@linutronix.de>, <oliver.sang@intel.com> Subject: Re: [PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work Date: Fri, 26 Apr 2024 16:43:39 +0800 [thread overview] Message-ID: <202404261608.7c346a06-oliver.sang@intel.com> (raw) In-Reply-To: <20240415113436.3261042-2-vschneid@redhat.com> Hello, kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_kernel/workqueue.c" on: commit: 1463958a05a90694cf63a6decf02983ef9a0b102 ("[PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work") url: https://github.com/intel-lab-lkp/linux/commits/Valentin-Schneider/SQUASH-tcp-dcpp-Convert-timewait-timer-into-a-delayed_work/20240415-193744 base: https://git.kernel.org/cgit/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/all/20240415113436.3261042-2-vschneid@redhat.com/ patch subject: [PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work in testcase: ltp version: ltp-x86_64-14c1f76-1_20240420 with following parameters: test: net_stress.appl-ssh compiler: gcc-13 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@intel.com> | Closes: https://lore.kernel.org/oe-lkp/202404261608.7c346a06-oliver.sang@intel.com [ 157.135844][ C7] BUG: sleeping function called from invalid context at kernel/workqueue.c:2195 [ 157.144790][ C7] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3686, name: sshd [ 157.153204][ C7] preempt_count: 101, expected: 0 [ 157.158116][ C7] RCU nest depth: 4, expected: 0 [ 157.162939][ C7] CPU: 7 PID: 3686 Comm: sshd Tainted: G S 6.9.0-rc1-00332-g1463958a05a9 #1 [ 157.172905][ C7] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013 [ 157.180861][ C7] Call Trace: [ 157.184021][ C7] <IRQ> [ 157.186743][ C7] dump_stack_lvl (lib/dump_stack.c:117) [ 157.191131][ C7] __might_resched (kernel/sched/core.c:10198) [ 157.195780][ C7] ? __pfx___might_resched (kernel/sched/core.c:10152) [ 157.200951][ C7] __cancel_work_sync (include/linux/kernel.h:73 kernel/workqueue.c:2195 kernel/workqueue.c:4295) [ 157.205773][ C7] ? __pfx___cancel_work_sync (kernel/workqueue.c:4290) [ 157.211209][ C7] inet_twsk_deschedule_put (net/ipv4/inet_timewait_sock.c:222 (discriminator 1)) [ 157.216470][ C7] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2413) [ 157.220770][ C7] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163) [ 157.225501][ C7] ? __kernel_text_address (kernel/extable.c:79 (discriminator 1)) [ 157.230668][ C7] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 157.235574][ C7] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 157.240830][ C7] ip_local_deliver_finish (include/linux/rcupdate.h:813 net/ipv4/ip_input.c:234) [ 157.246171][ C7] ? tcp_wfree (net/ipv4/tcp_output.c:1225) [ 157.250464][ C7] ip_local_deliver (include/linux/netfilter.h:314 include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 157.255190][ C7] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 157.260442][ C7] ? ip_rcv_finish_core+0x1c0/0x10a0 [ 157.266219][ C7] ip_rcv (include/net/dst.h:460 (discriminator 4) net/ipv4/ip_input.c:449 (discriminator 4) include/linux/netfilter.h:314 (discriminator 4) include/linux/netfilter.h:308 (discriminator 4) net/ipv4/ip_input.c:569 (discriminator 4)) [ 157.270078][ C7] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 157.274459][ C7] ? do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 157.279012][ C7] ? update_curr (kernel/sched/fair.c:1164 (discriminator 1)) [ 157.283395][ C7] ? update_load_avg (kernel/sched/fair.c:4411 kernel/sched/fair.c:4748) [ 157.288300][ C7] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 157.292684][ C7] __netif_receive_skb_one_core (net/core/dev.c:5585 (discriminator 4)) [ 157.298462][ C7] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5578) [ 157.304760][ C7] ? _raw_spin_lock_irq (arch/x86/include/asm/atomic.h:115 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:120 (discriminator 4) kernel/locking/spinlock.c:170 (discriminator 4)) [ 157.309663][ C7] process_backlog (include/linux/rcupdate.h:813 net/core/dev.c:6029) [ 157.314305][ C7] ? __pfx_trigger_load_balance (kernel/sched/fair.c:12435) [ 157.319904][ C7] __napi_poll (net/core/dev.c:6679) [ 157.324110][ C7] ? update_process_times (kernel/time/timer.c:2480) [ 157.329276][ C7] net_rx_action (net/core/dev.c:6750 net/core/dev.c:6864) [ 157.333748][ C7] ? __pfx_net_rx_action (net/core/dev.c:6828) [ 157.338734][ C7] ? __pfx_sched_clock_cpu (kernel/sched/clock.c:389) [ 157.343902][ C7] ? __pfx_sched_clock_cpu (kernel/sched/clock.c:389) [ 157.349070][ C7] __do_softirq (arch/x86/include/asm/jump_label.h:27 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555) [ 157.353453][ C7] ? __pfx___do_softirq (kernel/softirq.c:512) [ 157.358361][ C7] ? irqtime_account_irq (kernel/sched/cputime.c:64 (discriminator 1)) [ 157.363449][ C7] do_softirq (kernel/softirq.c:455 (discriminator 32) kernel/softirq.c:442 (discriminator 32)) [ 157.367488][ C7] </IRQ> [ 157.370296][ C7] <TASK> [ 157.373107][ C7] __local_bh_enable_ip (kernel/softirq.c:382) [ 157.378015][ C7] __dev_queue_xmit (net/core/dev.c:4389) [ 157.382836][ C7] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 (discriminator 1) arch/x86/kernel/unwind_orc.c:648 (discriminator 1)) [ 157.388007][ C7] ? __pfx___dev_queue_xmit (net/core/dev.c:4270) [ 157.393263][ C7] ? kernel_text_address (kernel/extable.c:119 (discriminator 1) kernel/extable.c:94 (discriminator 1)) [ 157.398348][ C7] ? __kernel_text_address (kernel/extable.c:79 (discriminator 1)) [ 157.403516][ C7] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 (discriminator 1)) [ 157.409035][ C7] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 157.413769][ C7] ? eth_header (net/ethernet/eth.c:100) [ 157.418065][ C7] ? neigh_resolve_output (include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 157.423324][ C7] ip_finish_output2 (include/net/neighbour.h:542 (discriminator 2) net/ipv4/ip_output.c:235 (discriminator 2)) [ 157.428226][ C7] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 1)) [ 157.432953][ C7] ? __pfx_ip_skb_dst_mtu (include/net/ip.h:496) [ 157.438041][ C7] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) [ 157.443394][ C7] ? __ip_finish_output (include/linux/skbuff.h:1636 include/linux/skbuff.h:4958 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) [ 157.448381][ C7] ip_output (net/ipv4/ip_output.c:427) [ 157.452495][ C7] ? __pfx_ip_output (net/ipv4/ip_output.c:427) [ 157.457137][ C7] __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 157.461862][ C7] ? __copy_skb_header (include/net/dst.h:290 net/core/skbuff.c:1528) [ 157.466765][ C7] ? __skb_clone (arch/x86/include/asm/atomic.h:53 include/linux/atomic/atomic-arch-fallback.h:992 include/linux/atomic/atomic-instrumented.h:436 net/core/skbuff.c:1599) [ 157.471229][ C7] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 157.476317][ C7] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) [ 157.481740][ C7] tcp_write_xmit (net/ipv4/tcp_output.c:2792 (discriminator 2)) [ 157.486379][ C7] ? skb_do_copy_data_nocache (include/linux/uio.h:204 include/linux/uio.h:211 include/net/sock.h:2238) [ 157.491977][ C7] ? __pfx_skb_do_copy_data_nocache (include/net/sock.h:2229) [ 157.497923][ C7] ? skb_page_frag_refill (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 net/core/sock.c:2908) [ 157.503083][ C7] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977 (discriminator 2)) [ 157.508505][ C7] tcp_sendmsg_locked (net/ipv4/tcp.c:1310) [ 157.513578][ C7] ? __pfx_chacha_block_generic (lib/crypto/chacha.c:77) [ 157.519173][ C7] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1040) [ 157.524594][ C7] ? _raw_spin_lock_bh (arch/x86/include/asm/atomic.h:115 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:127 (discriminator 4) kernel/locking/spinlock.c:178 (discriminator 4)) [ 157.529405][ C7] ? __pfx__raw_spin_lock_bh (kernel/locking/spinlock.c:177) [ 157.534736][ C7] tcp_sendmsg (net/ipv4/tcp.c:1343) [ 157.538850][ C7] sock_write_iter (net/socket.c:730 (discriminator 1) net/socket.c:745 (discriminator 1) net/socket.c:1160 (discriminator 1)) [ 157.543486][ C7] ? __pfx_sock_write_iter (net/socket.c:1144) [ 157.548644][ C7] ? rw_verify_area (fs/read_write.c:377) [ 157.553279][ C7] vfs_write (include/linux/fs.h:2108 fs/read_write.c:497 fs/read_write.c:590) [ 157.557391][ C7] ? __pfx_vfs_write (fs/read_write.c:571) [ 157.562026][ C7] ? __pfx___might_resched (kernel/sched/core.c:10152) [ 157.567189][ C7] ksys_write (fs/read_write.c:643) [ 157.571389][ C7] ? __pfx_ksys_write (fs/read_write.c:633) [ 157.576112][ C7] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 157.580486][ C7] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 157.586254][ C7] RIP: 0033:0x7f568f9de240 [ 157.590542][ C7] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 All code ======== 0: 40 00 48 8b add %cl,-0x75(%rax) 4: 15 c1 9b 0d 00 adc $0xd9bc1,%eax 9: f7 d8 neg %eax b: 64 89 02 mov %eax,%fs:(%rdx) e: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax 15: eb b7 jmp 0xffffffffffffffce 17: 0f 1f 00 nopl (%rax) 1a: 80 3d a1 23 0e 00 00 cmpb $0x0,0xe23a1(%rip) # 0xe23c2 21: 74 17 je 0x3a 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 58 ja 0x8a 32: c3 retq 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 48 83 ec 28 sub $0x28,%rsp 3e: 48 rex.W 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 58 ja 0x60 8: c3 retq 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 48 83 ec 28 sub $0x28,%rsp 14: 48 rex.W 15: 89 .byte 0x89 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240426/202404261608.7c346a06-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <oliver.sang@intel.com> To: Valentin Schneider <vschneid@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com>, Tomas Glozar <tglozar@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, lkp@intel.com, dccp@vger.kernel.org, netdev@vger.kernel.org, David Ahern <dsahern@kernel.org>, linux-kernel@vger.kernel.org, oliver.sang@intel.com, Eric Dumazet <edumazet@google.com>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, mleitner@redhat.com, oe-lkp@lists.linux.dev, Jakub Kicinski <kuba@kernel.org>, bpf@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>, "David S. Miller" <davem@davemloft.net>, ltp@lists.linux.it, linux-rt-users@vger.kernel.org Subject: Re: [LTP] [PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work Date: Fri, 26 Apr 2024 16:43:39 +0800 [thread overview] Message-ID: <202404261608.7c346a06-oliver.sang@intel.com> (raw) In-Reply-To: <20240415113436.3261042-2-vschneid@redhat.com> Hello, kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_kernel/workqueue.c" on: commit: 1463958a05a90694cf63a6decf02983ef9a0b102 ("[PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work") url: https://github.com/intel-lab-lkp/linux/commits/Valentin-Schneider/SQUASH-tcp-dcpp-Convert-timewait-timer-into-a-delayed_work/20240415-193744 base: https://git.kernel.org/cgit/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/all/20240415113436.3261042-2-vschneid@redhat.com/ patch subject: [PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work in testcase: ltp version: ltp-x86_64-14c1f76-1_20240420 with following parameters: test: net_stress.appl-ssh compiler: gcc-13 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@intel.com> | Closes: https://lore.kernel.org/oe-lkp/202404261608.7c346a06-oliver.sang@intel.com [ 157.135844][ C7] BUG: sleeping function called from invalid context at kernel/workqueue.c:2195 [ 157.144790][ C7] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3686, name: sshd [ 157.153204][ C7] preempt_count: 101, expected: 0 [ 157.158116][ C7] RCU nest depth: 4, expected: 0 [ 157.162939][ C7] CPU: 7 PID: 3686 Comm: sshd Tainted: G S 6.9.0-rc1-00332-g1463958a05a9 #1 [ 157.172905][ C7] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013 [ 157.180861][ C7] Call Trace: [ 157.184021][ C7] <IRQ> [ 157.186743][ C7] dump_stack_lvl (lib/dump_stack.c:117) [ 157.191131][ C7] __might_resched (kernel/sched/core.c:10198) [ 157.195780][ C7] ? __pfx___might_resched (kernel/sched/core.c:10152) [ 157.200951][ C7] __cancel_work_sync (include/linux/kernel.h:73 kernel/workqueue.c:2195 kernel/workqueue.c:4295) [ 157.205773][ C7] ? __pfx___cancel_work_sync (kernel/workqueue.c:4290) [ 157.211209][ C7] inet_twsk_deschedule_put (net/ipv4/inet_timewait_sock.c:222 (discriminator 1)) [ 157.216470][ C7] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2413) [ 157.220770][ C7] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163) [ 157.225501][ C7] ? __kernel_text_address (kernel/extable.c:79 (discriminator 1)) [ 157.230668][ C7] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 157.235574][ C7] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 157.240830][ C7] ip_local_deliver_finish (include/linux/rcupdate.h:813 net/ipv4/ip_input.c:234) [ 157.246171][ C7] ? tcp_wfree (net/ipv4/tcp_output.c:1225) [ 157.250464][ C7] ip_local_deliver (include/linux/netfilter.h:314 include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 157.255190][ C7] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 157.260442][ C7] ? ip_rcv_finish_core+0x1c0/0x10a0 [ 157.266219][ C7] ip_rcv (include/net/dst.h:460 (discriminator 4) net/ipv4/ip_input.c:449 (discriminator 4) include/linux/netfilter.h:314 (discriminator 4) include/linux/netfilter.h:308 (discriminator 4) net/ipv4/ip_input.c:569 (discriminator 4)) [ 157.270078][ C7] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 157.274459][ C7] ? do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 157.279012][ C7] ? update_curr (kernel/sched/fair.c:1164 (discriminator 1)) [ 157.283395][ C7] ? update_load_avg (kernel/sched/fair.c:4411 kernel/sched/fair.c:4748) [ 157.288300][ C7] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 157.292684][ C7] __netif_receive_skb_one_core (net/core/dev.c:5585 (discriminator 4)) [ 157.298462][ C7] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5578) [ 157.304760][ C7] ? _raw_spin_lock_irq (arch/x86/include/asm/atomic.h:115 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:120 (discriminator 4) kernel/locking/spinlock.c:170 (discriminator 4)) [ 157.309663][ C7] process_backlog (include/linux/rcupdate.h:813 net/core/dev.c:6029) [ 157.314305][ C7] ? __pfx_trigger_load_balance (kernel/sched/fair.c:12435) [ 157.319904][ C7] __napi_poll (net/core/dev.c:6679) [ 157.324110][ C7] ? update_process_times (kernel/time/timer.c:2480) [ 157.329276][ C7] net_rx_action (net/core/dev.c:6750 net/core/dev.c:6864) [ 157.333748][ C7] ? __pfx_net_rx_action (net/core/dev.c:6828) [ 157.338734][ C7] ? __pfx_sched_clock_cpu (kernel/sched/clock.c:389) [ 157.343902][ C7] ? __pfx_sched_clock_cpu (kernel/sched/clock.c:389) [ 157.349070][ C7] __do_softirq (arch/x86/include/asm/jump_label.h:27 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555) [ 157.353453][ C7] ? __pfx___do_softirq (kernel/softirq.c:512) [ 157.358361][ C7] ? irqtime_account_irq (kernel/sched/cputime.c:64 (discriminator 1)) [ 157.363449][ C7] do_softirq (kernel/softirq.c:455 (discriminator 32) kernel/softirq.c:442 (discriminator 32)) [ 157.367488][ C7] </IRQ> [ 157.370296][ C7] <TASK> [ 157.373107][ C7] __local_bh_enable_ip (kernel/softirq.c:382) [ 157.378015][ C7] __dev_queue_xmit (net/core/dev.c:4389) [ 157.382836][ C7] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 (discriminator 1) arch/x86/kernel/unwind_orc.c:648 (discriminator 1)) [ 157.388007][ C7] ? __pfx___dev_queue_xmit (net/core/dev.c:4270) [ 157.393263][ C7] ? kernel_text_address (kernel/extable.c:119 (discriminator 1) kernel/extable.c:94 (discriminator 1)) [ 157.398348][ C7] ? __kernel_text_address (kernel/extable.c:79 (discriminator 1)) [ 157.403516][ C7] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 (discriminator 1)) [ 157.409035][ C7] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 157.413769][ C7] ? eth_header (net/ethernet/eth.c:100) [ 157.418065][ C7] ? neigh_resolve_output (include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 157.423324][ C7] ip_finish_output2 (include/net/neighbour.h:542 (discriminator 2) net/ipv4/ip_output.c:235 (discriminator 2)) [ 157.428226][ C7] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 1)) [ 157.432953][ C7] ? __pfx_ip_skb_dst_mtu (include/net/ip.h:496) [ 157.438041][ C7] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) [ 157.443394][ C7] ? __ip_finish_output (include/linux/skbuff.h:1636 include/linux/skbuff.h:4958 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) [ 157.448381][ C7] ip_output (net/ipv4/ip_output.c:427) [ 157.452495][ C7] ? __pfx_ip_output (net/ipv4/ip_output.c:427) [ 157.457137][ C7] __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 157.461862][ C7] ? __copy_skb_header (include/net/dst.h:290 net/core/skbuff.c:1528) [ 157.466765][ C7] ? __skb_clone (arch/x86/include/asm/atomic.h:53 include/linux/atomic/atomic-arch-fallback.h:992 include/linux/atomic/atomic-instrumented.h:436 net/core/skbuff.c:1599) [ 157.471229][ C7] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 157.476317][ C7] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) [ 157.481740][ C7] tcp_write_xmit (net/ipv4/tcp_output.c:2792 (discriminator 2)) [ 157.486379][ C7] ? skb_do_copy_data_nocache (include/linux/uio.h:204 include/linux/uio.h:211 include/net/sock.h:2238) [ 157.491977][ C7] ? __pfx_skb_do_copy_data_nocache (include/net/sock.h:2229) [ 157.497923][ C7] ? skb_page_frag_refill (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 net/core/sock.c:2908) [ 157.503083][ C7] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977 (discriminator 2)) [ 157.508505][ C7] tcp_sendmsg_locked (net/ipv4/tcp.c:1310) [ 157.513578][ C7] ? __pfx_chacha_block_generic (lib/crypto/chacha.c:77) [ 157.519173][ C7] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1040) [ 157.524594][ C7] ? _raw_spin_lock_bh (arch/x86/include/asm/atomic.h:115 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:127 (discriminator 4) kernel/locking/spinlock.c:178 (discriminator 4)) [ 157.529405][ C7] ? __pfx__raw_spin_lock_bh (kernel/locking/spinlock.c:177) [ 157.534736][ C7] tcp_sendmsg (net/ipv4/tcp.c:1343) [ 157.538850][ C7] sock_write_iter (net/socket.c:730 (discriminator 1) net/socket.c:745 (discriminator 1) net/socket.c:1160 (discriminator 1)) [ 157.543486][ C7] ? __pfx_sock_write_iter (net/socket.c:1144) [ 157.548644][ C7] ? rw_verify_area (fs/read_write.c:377) [ 157.553279][ C7] vfs_write (include/linux/fs.h:2108 fs/read_write.c:497 fs/read_write.c:590) [ 157.557391][ C7] ? __pfx_vfs_write (fs/read_write.c:571) [ 157.562026][ C7] ? __pfx___might_resched (kernel/sched/core.c:10152) [ 157.567189][ C7] ksys_write (fs/read_write.c:643) [ 157.571389][ C7] ? __pfx_ksys_write (fs/read_write.c:633) [ 157.576112][ C7] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 157.580486][ C7] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 157.586254][ C7] RIP: 0033:0x7f568f9de240 [ 157.590542][ C7] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 All code ======== 0: 40 00 48 8b add %cl,-0x75(%rax) 4: 15 c1 9b 0d 00 adc $0xd9bc1,%eax 9: f7 d8 neg %eax b: 64 89 02 mov %eax,%fs:(%rdx) e: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax 15: eb b7 jmp 0xffffffffffffffce 17: 0f 1f 00 nopl (%rax) 1a: 80 3d a1 23 0e 00 00 cmpb $0x0,0xe23a1(%rip) # 0xe23c2 21: 74 17 je 0x3a 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 58 ja 0x8a 32: c3 retq 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 48 83 ec 28 sub $0x28,%rsp 3e: 48 rex.W 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 58 ja 0x60 8: c3 retq 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 48 83 ec 28 sub $0x28,%rsp 14: 48 rex.W 15: 89 .byte 0x89 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240426/202404261608.7c346a06-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki -- Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2024-04-26 8:43 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-15 11:34 [PATCH v5 0/2] tcp/dcpp: Un-pin tw_timer Valentin Schneider 2024-04-15 11:34 ` [PATCH v5 1/2] SQUASH: tcp/dcpp: Convert timewait timer into a delayed_work Valentin Schneider 2024-04-26 8:43 ` kernel test robot [this message] 2024-04-26 8:43 ` [LTP] " kernel test robot 2024-04-15 11:34 ` [PATCH v5 2/2] tcp/dcpp: Un-pin tw_timer Valentin Schneider 2024-04-15 12:35 ` [PATCH v5 0/2] " Eric Dumazet 2024-04-15 14:33 ` Valentin Schneider 2024-04-16 15:01 ` Eric Dumazet 2024-04-22 14:31 ` Valentin Schneider
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