====================================== | [ 11.367858][ T191] softirqs last disabled at (43162): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.367861][ T191] Preemption disabled at: | [ 11.367862][ T191] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.367870][ T191] Tainted: [W]=WARN [ 11.367871][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.367873][ T191] Call Trace: [ 11.367875][ T191] [ 11.367876][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.367882][ T191] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.367884][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 11.367888][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.367893][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.367897][ T191] __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)) [ 11.367899][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.367906][ T191] ? 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) [ 11.367909][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.367914][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 11.367917][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.367920][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.367925][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.367933][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.367936][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.367938][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.367942][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.367946][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.367948][ T191] ? 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)) [ 11.367951][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.367953][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.367957][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.367961][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.367963][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.367968][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.367971][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.367973][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.367975][ T191] ? 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) [ 11.367978][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.367980][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.367983][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 11.367986][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.367987][ T191] ? __queue_work (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/workqueue.c:2459 (discriminator 2)) [ 11.367992][ T191] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 11.367996][ T191] _printk (kernel/printk/printk.c:2504) [ 11.367999][ T191] ? snapshot_read.cold (user.c:?) [ 11.368003][ T191] ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3)) [ 11.368006][ T191] ? queue_work_on (kernel/workqueue.c:2505 (discriminator 6)) [ 11.368009][ T191] test_bpf (lib/test_bpf.c:267) test_bpf [ 11.368017][ T191] ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf [ 11.368024][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 11.368027][ T191] test_bpf_init (lib/test_bpf.c:231) test_bpf [ 11.368032][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 11.368038][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 11.368041][ T191] do_one_initcall (init/main.c:1357) [ 11.368044][ T191] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.368049][ T191] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.368051][ T191] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.368057][ T191] do_init_module (kernel/module/main.c:3117) [ 11.368060][ T191] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.368064][ T191] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.368066][ T191] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.368070][ T191] load_module (kernel/module/main.c:3593) [ 11.368075][ T191] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.368080][ T191] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.368083][ T191] ? __ia32_sys_fsconfig (??:?) [ 11.368086][ T191] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 11.368092][ T191] init_module_from_file (kernel/module/main.c:3790) [ 11.368094][ T191] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.368101][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.368105][ T191] ? 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) [ 11.368109][ T191] idempotent_init_module (kernel/module/main.c:3802) [ 11.368111][ T191] ? init_module_from_file (kernel/module/main.c:3791) [ 11.368117][ T191] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.368119][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.368124][ T191] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.368125][ T191] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.368130][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.368132][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.368135][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.368137][ T191] RIP: 0033:0x7fafe5eda37d [ 11.368140][ T191] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 11.368142][ T191] RSP: 002b:00007ffde443b7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.368144][ T191] RAX: ffffffffffffffda RBX: 0000562966884970 RCX: 00007fafe5eda37d [ 11.368146][ T191] RDX: 0000000000000000 RSI: 00005629276e5ffd RDI: 0000000000000005 [ 11.368147][ T191] RBP: 00007ffde443b850 R08: 0000000000000000 R09: 0000000000000000 [ 11.368148][ T191] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629276e5ffd [ 11.368148][ T191] R13: 0000562966884aa0 R14: 0000000000040000 R15: 0000000000000000 | [ 12.368330][ T191] softirqs last disabled at (379549): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.368332][ T191] Preemption disabled at: | [ 12.368333][ T191] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.368342][ T191] Tainted: [W]=WARN [ 12.368343][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.368345][ T191] Call Trace: [ 12.368346][ T191] [ 12.368348][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.368354][ T191] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.368355][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 12.368360][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.368364][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.368368][ T191] __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)) [ 12.368370][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.368377][ T191] ? 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) [ 12.368380][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.368384][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 12.368386][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.368389][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.368394][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.368402][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.368405][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.368407][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.368412][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.368416][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.368417][ T191] ? 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)) [ 12.368421][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.368422][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.368426][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.368430][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.368432][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.368438][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.368441][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.368442][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.368444][ T191] ? 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) [ 12.368448][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.368450][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.368452][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 12.368456][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.368457][ T191] ? __queue_work (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/workqueue.c:2459 (discriminator 2)) [ 12.368462][ T191] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 12.368465][ T191] _printk (kernel/printk/printk.c:2504) [ 12.368469][ T191] ? snapshot_read.cold (user.c:?) [ 12.368473][ T191] ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3)) [ 12.368476][ T191] ? queue_work_on (kernel/workqueue.c:2505 (discriminator 6)) [ 12.368479][ T191] test_bpf (lib/test_bpf.c:267) test_bpf [ 12.368488][ T191] ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf [ 12.368495][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 12.368499][ T191] test_bpf_init (lib/test_bpf.c:231) test_bpf [ 12.368503][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 12.368509][ T191] ? test_bpf (lib/test_bpf.c:259) test_bpf [ 12.368513][ T191] do_one_initcall (init/main.c:1357) [ 12.368516][ T191] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.368521][ T191] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.368523][ T191] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.368529][ T191] do_init_module (kernel/module/main.c:3117) [ 12.368532][ T191] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.368536][ T191] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.368539][ T191] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.368550][ T191] load_module (kernel/module/main.c:3593) [ 12.368555][ T191] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 12.368559][ T191] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.368563][ T191] ? __ia32_sys_fsconfig (??:?) [ 12.368566][ T191] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 12.368571][ T191] init_module_from_file (kernel/module/main.c:3790) [ 12.368574][ T191] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.368581][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.368585][ T191] ? 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) [ 12.368588][ T191] idempotent_init_module (kernel/module/main.c:3802) [ 12.368591][ T191] ? init_module_from_file (kernel/module/main.c:3791) [ 12.368597][ T191] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.368599][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 12.368603][ T191] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.368605][ T191] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.368609][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.368612][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.368614][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.368616][ T191] RIP: 0033:0x7fafe5eda37d [ 12.368620][ T191] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 12.368622][ T191] RSP: 002b:00007ffde443b7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.368625][ T191] RAX: ffffffffffffffda RBX: 0000562966884970 RCX: 00007fafe5eda37d [ 12.368627][ T191] RDX: 0000000000000000 RSI: 00005629276e5ffd RDI: 0000000000000005 [ 12.368627][ T191] RBP: 00007ffde443b850 R08: 0000000000000000 R09: 0000000000000000 [ 12.368628][ T191] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629276e5ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars