====================================== | [ 8.879000][ T90] softirqs last disabled at (426828): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 8.879002][ T90] Preemption disabled at: | [ 8.879003][ T90] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.879011][ T90] Tainted: [W]=WARN [ 8.879012][ T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.879014][ T90] Call Trace: [ 8.879015][ T90] [ 8.879017][ T90] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.879022][ T90] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.879024][ T90] __might_resched.cold (kernel/sched/core.c:9234) [ 8.879029][ T90] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.879032][ 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) [ 8.879037][ 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)) [ 8.879039][ T90] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.879045][ 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) [ 8.879047][ T90] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.879050][ T90] put_chars (drivers/char/virtio_console.c:1176) [ 8.879053][ T90] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.879056][ T90] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 8.879061][ T90] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.879063][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879068][ T90] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.879071][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879077][ T90] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.879080][ T90] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.879084][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879086][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.879090][ T90] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.879094][ T90] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.879096][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879101][ T90] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.879103][ T90] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.879105][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879107][ T90] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.879110][ T90] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.879111][ T90] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.879115][ T90] vprintk_emit (kernel/printk/printk.c:2479) [ 8.879118][ T90] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.879120][ T90] ? write_profile (profile.c:?) [ 8.879127][ T90] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.879134][ T90] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.879139][ T90] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.879143][ T90] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.879148][ T90] dev_printk_emit (drivers/base/core.c:5011) [ 8.879151][ T90] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.879155][ T90] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 8.879159][ T90] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.879164][ T90] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.879166][ T90] ? netdev_notice (net/core/dev.c:13194) [ 8.879169][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.879172][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.879175][ T90] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 8.879178][ T90] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.879180][ T90] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.879183][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879185][ T90] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 8.879187][ T90] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 8.879190][ T90] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.879192][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.879195][ T90] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.879201][ T90] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.879203][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879206][ T90] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.879208][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.879209][ T90] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.879211][ T90] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.879214][ T90] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.879218][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879222][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.879223][ T90] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.879226][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879228][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.879229][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879231][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.879233][ T90] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.879235][ 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) [ 8.879238][ T90] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.879240][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879241][ T90] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.879244][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.879246][ T90] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.879248][ T90] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.879254][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.879256][ T90] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.879264][ T90] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.879267][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.879269][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879291][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.879292][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.879295][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.879297][ T90] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.879298][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879302][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.879304][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.879309][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.879311][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.879314][ T90] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.879317][ T90] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.879320][ T90] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.879322][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879326][ T90] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.879327][ T90] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.879331][ T90] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.879334][ T90] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.879337][ T90] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.879344][ 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)) [ 8.879346][ 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)) [ 8.879350][ T90] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.879354][ T90] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.879357][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.879359][ T90] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 8.879362][ T90] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.879366][ T90] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.879370][ T90] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.879373][ T90] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.879376][ T90] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.879380][ T90] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.879390][ T90] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 8.879396][ T90] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.879398][ T90] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.879401][ T90] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.879403][ T90] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 8.879404][ T90] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.879406][ T90] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.879408][ T90] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.879410][ T90] RIP: 0033:0x7ff0dceee54e [ 8.879414][ 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 [ 8.879416][ T90] RSP: 002b:00007fff05458ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.879419][ T90] RAX: ffffffffffffffda RBX: 000055f75f4fbf40 RCX: 00007ff0dceee54e [ 8.879420][ T90] RDX: 0000000000000030 RSI: 000055f75f6ab230 RDI: 0000000000000020 [ 8.879421][ T90] RBP: 00007fff05458cb0 R08: 00007fff05458d00 R09: 0000000000000080 [ 8.879421][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 000055f75f6aa9d0 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars