====================================== | [ 9.040472][ T90] softirqs last disabled at (404732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.040474][ T90] Preemption disabled at: | [ 9.040474][ T90] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.040484][ T90] Tainted: [W]=WARN [ 9.040485][ T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.040486][ T90] Call Trace: [ 9.040488][ T90] [ 9.040490][ T90] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.040495][ T90] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.040498][ T90] __might_resched.cold (kernel/sched/core.c:9234) [ 9.040502][ T90] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.040506][ T90] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.040511][ T90] __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)) [ 9.040513][ T90] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.040520][ T90] ? 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) [ 9.040522][ T90] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.040526][ T90] put_chars (drivers/char/virtio_console.c:1176) [ 9.040529][ T90] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.040534][ T90] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.040538][ T90] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.040541][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.040543][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040544][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040548][ T90] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.040551][ T90] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.040554][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040561][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.040564][ T90] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.040568][ T90] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.040570][ T90] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.040573][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040575][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.040579][ T90] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.040583][ T90] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.040584][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040590][ T90] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.040592][ T90] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.040594][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040596][ T90] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.040600][ T90] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.040601][ T90] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.040604][ T90] vprintk_emit (kernel/printk/printk.c:2479) [ 9.040608][ T90] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.040610][ T90] ? write_profile (profile.c:?) [ 9.040613][ T90] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.040620][ T90] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.040624][ T90] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.040629][ T90] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.040635][ T90] dev_printk_emit (drivers/base/core.c:5011) [ 9.040637][ T90] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.040641][ T90] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.040646][ T90] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.040652][ T90] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.040654][ T90] ? netdev_notice (net/core/dev.c:13194) [ 9.040656][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.040661][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.040663][ T90] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.040666][ T90] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.040669][ T90] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.040672][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040673][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5106) [ 9.040675][ T90] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.040678][ T90] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.040680][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.040683][ T90] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.040689][ T90] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.040692][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040695][ T90] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.040697][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.040698][ T90] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.040701][ T90] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.040703][ T90] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.040707][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040712][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.040713][ T90] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.040716][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040718][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.040720][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040721][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040723][ T90] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.040726][ T90] ? __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) [ 9.040730][ T90] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.040732][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040734][ T90] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.040736][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.040739][ T90] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.040741][ T90] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.040747][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.040750][ T90] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.040758][ T90] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.040761][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.040763][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040786][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.040788][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.040791][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.040793][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.040795][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040799][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.040801][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.040803][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.040805][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.040809][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.040811][ T90] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.040814][ T90] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.040816][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040820][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.040822][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.040826][ T90] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.040829][ T90] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.040832][ T90] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.040839][ T90] ? 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)) [ 9.040840][ T90] ? 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)) [ 9.040845][ T90] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.040849][ T90] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.040851][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040856][ T90] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.040860][ T90] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.040864][ T90] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.040867][ T90] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.040870][ T90] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.040875][ T90] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.040886][ T90] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.040892][ T90] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.040894][ T90] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.040898][ T90] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.040899][ T90] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.040902][ T90] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.040904][ T90] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.040906][ T90] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.040909][ T90] RIP: 0033:0x7f5c1605554e [ 9.040913][ T90] 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 [ 9.040921][ T90] RSP: 002b:00007fff8843d0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.040923][ T90] RAX: ffffffffffffffda RBX: 0000562e0325ef70 RCX: 00007f5c1605554e [ 9.040925][ T90] RDX: 0000000000000030 RSI: 0000562e033ba180 RDI: 0000000000000022 [ 9.040926][ T90] RBP: 00007fff8843d100 R08: 00007fff8843d150 R09: 0000000000000080 [ 9.040926][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562e033bb3f0 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars