====================================== | [ 10.379061][ T187] softirqs last disabled at (271150): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.379064][ T187] Preemption disabled at: | [ 10.379065][ T187] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.379076][ T187] Tainted: [W]=WARN [ 10.379078][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.379080][ T187] Call Trace: [ 10.379082][ T187] [ 10.379084][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.379092][ T187] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.379095][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.379101][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.379107][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.379115][ T187] __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)) [ 10.379119][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.379129][ T187] ? 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) [ 10.379132][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.379138][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.379143][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.379149][ T187] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.379158][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.379162][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379171][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.379176][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379186][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.379192][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.379200][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379203][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.379211][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.379218][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.379221][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379231][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.379235][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.379238][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379241][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.379248][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.379251][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.379256][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.379261][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.379264][ T187] ? write_profile (profile.c:?) [ 10.379268][ T187] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.379278][ T187] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.379286][ T187] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.379293][ T187] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.379303][ T187] dev_printk_emit (drivers/base/core.c:5011) [ 10.379308][ T187] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.379314][ T187] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.379324][ T187] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.379332][ T187] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.379336][ T187] ? netdev_notice (net/core/dev.c:13194) [ 10.379341][ T187] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.379346][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.379356][ T187] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.379362][ T187] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.379367][ T187] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.379371][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379374][ T187] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 10.379377][ T187] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.379382][ T187] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.379386][ T187] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.379391][ T187] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.379400][ T187] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.379405][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379410][ T187] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.379412][ T187] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.379415][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.379419][ T187] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.379422][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.379431][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379439][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.379442][ T187] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.379448][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379451][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.379453][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379455][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.379459][ T187] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.379462][ T187] ? __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) [ 10.379467][ T187] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.379470][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379473][ T187] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.379477][ T187] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.379482][ T187] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.379485][ T187] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.379493][ T187] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.379499][ T187] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.379511][ T187] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.379517][ T187] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.379520][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379564][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.379567][ T187] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.379572][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.379576][ T187] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.379579][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379587][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.379590][ T187] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.379593][ T187] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.379597][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.379604][ T187] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.379608][ T187] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.379614][ T187] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.379617][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379625][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.379628][ T187] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.379634][ T187] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.379639][ T187] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.379644][ T187] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.379656][ T187] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.379659][ T187] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.379667][ T187] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.379674][ T187] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.379678][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.379687][ T187] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.379694][ T187] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.379700][ T187] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.379706][ T187] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.379713][ T187] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.379718][ T187] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.379738][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.379747][ T187] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.379750][ T187] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.379755][ T187] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.379757][ T187] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.379761][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.379763][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.379768][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.379771][ T187] RIP: 0033:0x7eff4221554e [ 10.379776][ T187] 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 [ 10.379778][ T187] RSP: 002b:00007ffccecfaa70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.379782][ T187] RAX: ffffffffffffffda RBX: 0000561e554508a0 RCX: 00007eff4221554e [ 10.379784][ T187] RDX: 0000000000000030 RSI: 0000561e554acdd0 RDI: 0000000000000022 [ 10.379786][ T187] RBP: 00007ffccecfaa80 R08: 00007ffccecfaad0 R09: 0000000000000080 [ 10.379787][ T187] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e554ac570 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars