====================================== | WAIT TIMEOUT stdout | [ 34.382155][ C0] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK | [ 35.441611][ C0] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN NOPTI | [ 35.442167][ C0] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 35.442639][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.442976][ C0] RIP: 0010:__inet_csk_reqsk_queue_drop (./include/linux/list.h:958 ./include/net/sock.h:744 ./include/net/sock.h:749 net/ipv4/inet_connection_sock.c:1042 net/ipv4/inet_connection_sock.c:1058) [ 35.443173][ C0] Code: 00 00 00 00 00 fc ff df 41 57 4c 8d 7e 70 41 56 41 55 41 89 d5 4c 89 fa 41 54 48 c1 ea 03 55 48 89 f5 53 48 89 fb 48 83 ec 08 <80> 3c 02 00 0f 85 6c 05 00 00 45 31 e4 48 83 7d 70 00 0f 84 0f 01 All code ======== 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 fc add %bh,%ah 6: ff (bad) 7: df 41 57 filds 0x57(%rcx) a: 4c 8d 7e 70 lea 0x70(%rsi),%r15 e: 41 56 push %r14 10: 41 55 push %r13 12: 41 89 d5 mov %edx,%r13d 15: 4c 89 fa mov %r15,%rdx 18: 41 54 push %r12 1a: 48 c1 ea 03 shr $0x3,%rdx 1e: 55 push %rbp 1f: 48 89 f5 mov %rsi,%rbp 22: 53 push %rbx 23: 48 89 fb mov %rdi,%rbx 26: 48 83 ec 08 sub $0x8,%rsp 2a:* 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 6c 05 00 00 jne 0x5a0 34: 45 31 e4 xor %r12d,%r12d 37: 48 83 7d 70 00 cmpq $0x0,0x70(%rbp) 3c: 0f .byte 0xf 3d: 84 0f test %cl,(%rdi) 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 4: 0f 85 6c 05 00 00 jne 0x576 a: 45 31 e4 xor %r12d,%r12d d: 48 83 7d 70 00 cmpq $0x0,0x70(%rbp) 12: 0f .byte 0xf 13: 84 0f test %cl,(%rdi) 15: 01 .byte 0x1 [ 35.443685][ C0] RSP: 0018:ffffc90000007c28 EFLAGS: 00010296 [ 35.443876][ C0] RAX: dffffc0000000000 RBX: ffff888007608040 RCX: 1ffffffff1a03b55 [ 35.444100][ C0] RDX: 000000000000000e RSI: 0000000000000000 RDI: ffff888007608040 [ 35.444319][ C0] RBP: 0000000000000000 R08: ffffffff8b907caf R09: fffffbfff1bab9b1 [ 35.444533][ C0] R10: ffffffff8dd5cd8f R11: ffffc900000079e1 R12: 0000000000000000 [ 35.444753][ C0] R13: 0000000000000001 R14: ffff88800319e0a0 R15: 0000000000000070 [ 35.444966][ C0] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000 [ 35.445213][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.445406][ C0] CR2: 00007f3c980240d8 CR3: 00000000049d4006 CR4: 0000000000772ef0 [ 35.445622][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.445841][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.446082][ C0] PKRU: 55555554 [ 35.446190][ C0] Call Trace: [ 35.446300][ C0] [ 35.446373][ C0] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) [ 35.446491][ C0] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) [ 35.446651][ C0] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) [ 35.446820][ C0] ? reuseport_migrate_sock (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/sock_reuseport.c:674) [ 35.446973][ C0] ? __inet_csk_reqsk_queue_drop (./include/linux/list.h:958 ./include/net/sock.h:744 ./include/net/sock.h:749 net/ipv4/inet_connection_sock.c:1042 net/ipv4/inet_connection_sock.c:1058) [ 35.447161][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) [ 35.447331][ C0] reqsk_timer_handler (./include/net/request_sock.h:148 net/ipv4/inet_connection_sock.c:1194) [ 35.447483][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 35.447637][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 35.447797][ C0] ? __pfx_reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1085) [ 35.447937][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1784) [ 35.448097][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 35.448261][ C0] ? __pfx_reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1085) [ 35.448410][ C0] call_timer_fn (kernel/time/timer.c:1794) [ 35.448553][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1784) [ 35.448716][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1784) [ 35.448891][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1771) [ 35.449039][ C0] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 35.449148][ C0] __run_timers (kernel/time/timer.c:1846 kernel/time/timer.c:2419) [ 35.449314][ C0] ? __pfx_reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1085) [ 35.449457][ C0] ? __pfx___run_timers (kernel/time/timer.c:2390) [ 35.449613][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 35.449757][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.449902][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 35.450053][ C0] ? run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2423 kernel/time/timer.c:2439 kernel/time/timer.c:2447) [ 35.450197][ C0] run_timer_softirq (kernel/time/timer.c:2431 kernel/time/timer.c:2423 kernel/time/timer.c:2439 kernel/time/timer.c:2447) [ 35.450346][ C0] handle_softirqs (kernel/softirq.c:554) [ 35.450496][ C0] irq_exit_rcu (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637 kernel/softirq.c:649) [ 35.450604][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1037 arch/x86/kernel/apic/apic.c:1037) [ 35.450748][ C0] [ 35.450829][ C0] [ 35.450904][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 35.451083][ C0] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743) [ 35.451237][ C0] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 d8 44 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 All code ======== 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffffffffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 33 d8 44 00 verw 0x44d833(%rip) # 0x44d85b 28: fb sti 29: f4 hlt 2a:* fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: fa cli 1: c3 ret 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 00 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 35.451755][ C0] RSP: 0018:ffffffff8d007e00 EFLAGS: 00000242 [ 35.451941][ C0] RAX: 0000000000089131 RBX: 1ffffffff1a00fc2 RCX: ffffffff8c013ae5 [ 35.452167][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff898b2114 [ 35.452386][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c070e2 [ 35.452605][ C0] R10: ffff888036038713 R11: ffff88803602d9b0 R12: 0000000000000000 [ 35.452827][ C0] R13: ffffffff8d01d080 R14: dffffc0000000000 R15: 0000000000014770 [ 35.453044][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) [ 35.453191][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 35.453335][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 35.453484][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 35.453631][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 35.453771][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) [ 35.453943][ C0] do_idle (kernel/sched/idle.c:326) [ 35.454065][ C0] cpu_startup_entry (kernel/sched/idle.c:423 (discriminator 1)) [ 35.454217][ C0] rest_init (./include/linux/rcupdate.h:850 init/main.c:718) [ 35.454335][ C0] start_kernel (init/main.c:1055 (discriminator 1)) [ 35.454491][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:495) [ 35.454660][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:437 (discriminator 17)) Finger prints: __inet_csk_reqsk_queue_drop:reqsk_timer_handler:call_timer_fn:__run_timers:run_timer_softirq