====================================== | [ 8.420883][ T210] softirqs last disabled at (0): 0x0 | [ 8.420885][ T210] Preemption disabled at: | [ 8.420885][ T210] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.420896][ T210] Tainted: [W]=WARN [ 8.420897][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.420898][ T210] Call Trace: [ 8.420900][ T210] [ 8.420901][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.420906][ T210] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.420908][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 8.420912][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.420915][ T210] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 8.420917][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420920][ T210] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 8.420922][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.420925][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.420930][ T210] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 8.420932][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.420934][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 8.420936][ T210] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 8.420937][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.420939][ T210] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.420944][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.420948][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.420950][ T210] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.420952][ T210] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 8.420955][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.420957][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420958][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.420961][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.420964][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.420966][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420967][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420968][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420969][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.420971][ T210] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 8.420972][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.420975][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.420978][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.420979][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.420981][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.420983][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.420984][ T210] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.420985][ T210] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 8.420987][ T210] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 8.420988][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.420990][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.420991][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 8.420993][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.420996][ T210] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.421001][ T210] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.421002][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421004][ T210] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 8.421007][ T210] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.421009][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421010][ T210] dev_printk_emit (drivers/base/core.c:5011) [ 8.421012][ T210] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.421014][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421015][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421016][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421018][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421019][ T210] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.421023][ T210] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.421025][ T210] ? netdev_notice (net/core/dev.c:13194) [ 8.421027][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421028][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421029][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421031][ T210] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.421033][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.421034][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421035][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421036][ T210] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.421039][ T210] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 8.421040][ T210] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 8.421042][ T210] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.421045][ T210] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.421047][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421048][ T210] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.421050][ T210] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.421053][ T210] ? write_profile (profile.c:?) [ 8.421056][ T210] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.421059][ T210] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.421061][ T210] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 8.421063][ T210] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.421064][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421065][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 8.421068][ T210] ? kasan_save_stack (mm/kasan/common.c:58) [ 8.421070][ T210] ? kasan_save_stack (mm/kasan/common.c:57) [ 8.421071][ T210] ? kasan_save_track (mm/kasan/common.c:78) [ 8.421072][ T210] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 8.421074][ T210] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 8.421075][ T210] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 8.421076][ T210] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.421077][ T210] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.421080][ T210] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.421081][ T210] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.421083][ T210] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 8.421085][ T210] ? ____sys_sendmsg (net/socket.c:2713) [ 8.421087][ T210] ? ___sys_sendmsg (net/socket.c:2767) [ 8.421088][ T210] ? __sys_sendmsg (net/socket.c:2799) [ 8.421090][ T210] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.421092][ T210] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.421094][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421095][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421097][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421098][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421099][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.421100][ T210] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 8.421102][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.421103][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 8.421104][ T210] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.421105][ T210] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.421109][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421110][ T210] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 8.421112][ T210] rtnl_newlink (net/core/rtnetlink.c:4215) [ 8.421114][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421115][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 8.421117][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421118][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421119][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 8.421122][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 8.421123][ T210] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 8.421126][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421127][ T210] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.421130][ T210] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 8.421132][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421133][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421135][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421136][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 8.421137][ T210] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.421139][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.421140][ T210] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.421142][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 8.421144][ T210] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.421146][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.421147][ T210] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.421149][ T210] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.421150][ T210] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 8.421154][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421155][ T210] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.421157][ T210] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.421159][ T210] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.421161][ T210] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.421163][ T210] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.421165][ T210] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.421166][ T210] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 8.421168][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.421170][ T210] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 8.421173][ T210] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 8.421175][ T210] ____sys_sendmsg (net/socket.c:2713) [ 8.421176][ T210] ? copy_msghdr_from_user (net/socket.c:2650) [ 8.421178][ T210] ? sock_write_iter (net/socket.c:1269) [ 8.421179][ T210] ? move_addr_to_kernel (net/socket.c:258) [ 8.421181][ T210] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.421183][ T210] ___sys_sendmsg (net/socket.c:2767) [ 8.421185][ T210] ? copy_msghdr_from_user (net/socket.c:2619) [ 8.421190][ T210] __sys_sendmsg (net/socket.c:2799) [ 8.421192][ T210] ? __sys_sendmsg_sock (net/socket.c:2780) [ 8.421195][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.421196][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.421198][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.421200][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.421201][ T210] RIP: 0033:0x7f0a16a8354e [ 8.421203][ T210] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 8.421205][ T210] RSP: 002b:00007ffdedcb1030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 8.421209][ T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0a16a8354e [ 8.421210][ T210] RDX: 0000000000000000 RSI: 00007ffdedcb10e0 RDI: 0000000000000005 [ 8.421211][ T210] RBP: 00007ffdedcb1040 R08: 0000000000000000 R09: 0000000000000000 [ 8.421212][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ea1 Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print