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Message-ID: <643fbe8f-ba76-49b4-9fb7-403535fd5638@nop.hu>
Date: Mon, 20 Oct 2025 10:55:04 +0200
From: mc36 <csmate@....hu>
To: Jason Xing <kerneljasonxing@...il.com>
Cc: Jonathan Lemon <jonathan.lemon@...il.com>,
Stanislav Fomichev <sdf@...ichev.me>,
Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
Magnus Karlsson <magnus.karlsson@...el.com>, Björn Töpel
<bjorn@...nel.org>, 1118437@...s.debian.org, netdev@...r.kernel.org,
bpf@...r.kernel.org
Subject: Re: null pointer dereference in interrupt after receiving an ip
packet on veth from xsk from user space
hi,
On 10/20/25 08:41, Jason Xing wrote:
> Hi,
>
>> this happens 10/10 on host or in qemu-system-x86_64-kvm running 6.16.12 or 6.17.2...
>
> Thanks for the report.
>
> I'm wondering if you have time to bisect which recent commit has
> brought this problem. It looks like it never happens before 6.16?
>
and now confirming that 6.16.7 survives the reproducer code and 6.16.8 crashes...
below is the decoded and raw 6.17 trace... regarding the exact commit hash, i
would leave the chance for someone with much more resources than i have at hand....
have a nice day,
csaba
mc36@...i:~/Downloads/linux-6.17.2/scripts$ ./decode_stacktrace.sh ../../usr/lib/debug/boot/
System.map-6.17.2-cloud-amd64 vmlinux-6.17.2-cloud-amd64
mc36@...i:~/Downloads/linux-6.17.2/scripts$ ./decode_stacktrace.sh ../../usr/lib/debug/boot/vmlinux-6.17.2-cloud-amd64 < ../../6172.txt
p4emu login: [ 171.272491] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 171.274678] #PF: supervisor read access in kernel mode
[ 171.276216] #PF: error_code(0x0000) - not-present page
[ 171.277732] PGD 0 P4D 0
[ 171.278531] Oops: Oops: 0000 [#1] SMP NOPTI
[ 171.279806] CPU: 3 UID: 1 PID: 798 Comm: a.out Not tainted 6.17.2-cloud-amd64 #1 PREEMPT(lazy) Debian 6.17.2-1~exp1
[ 171.282885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014
[ 171.285663] RIP: 0010:xsk_destruct_skb (net/xdp/xsk.c:577 net/xdp/xsk.c:617)
[ 171.288015] Code: 48 89 df 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 1f a5 d9 ff 48 8b 43 30 4c 8d 4b 30 48 89 c7 49 39 c1 74 bf 4c 8d 60 f8 <48> 8b 00 4c 89 3c 24 4d 89 cf 48
89 5c 24 08 89 d3 48 89 74 24 10
All code
========
0: 48 89 df mov %rbx,%rdi
3: 48 83 c4 18 add $0x18,%rsp
7: 5b pop %rbx
8: 5d pop %rbp
9: 41 5c pop %r12
b: 41 5d pop %r13
d: 41 5e pop %r14
f: 41 5f pop %r15
11: e9 1f a5 d9 ff jmp 0xffffffffffd9a535
16: 48 8b 43 30 mov 0x30(%rbx),%rax
1a: 4c 8d 4b 30 lea 0x30(%rbx),%r9
1e: 48 89 c7 mov %rax,%rdi
21: 49 39 c1 cmp %rax,%r9
24: 74 bf je 0xffffffffffffffe5
26: 4c 8d 60 f8 lea -0x8(%rax),%r12
2a:* 48 8b 00 mov (%rax),%rax <-- trapping instruction
2d: 4c 89 3c 24 mov %r15,(%rsp)
31: 4d 89 cf mov %r9,%r15
34: 48 89 5c 24 08 mov %rbx,0x8(%rsp)
39: 89 d3 mov %edx,%ebx
3b: 48 89 74 24 10 mov %rsi,0x10(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 8b 00 mov (%rax),%rax
3: 4c 89 3c 24 mov %r15,(%rsp)
7: 4d 89 cf mov %r9,%r15
a: 48 89 5c 24 08 mov %rbx,0x8(%rsp)
f: 89 d3 mov %edx,%ebx
11: 48 89 74 24 10 mov %rsi,0x10(%rsp)
[ 171.293459] RSP: 0018:ffffcb43c0160d48 EFLAGS: 00010086
[ 171.295023] RAX: 0000000000000000 RBX: ffff8a660484e500 RCX: 0000000000000000
[ 171.297112] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000000
[ 171.299266] RBP: 0000000000000001 R08: ffff8a66023b4780 R09: ffff8a660484e530
[ 171.301348] R10: 0000000000000000 R11: fffff1384008ed00 R12: fffffffffffffff8
[ 171.303453] R13: ffff8a667ddb2c50 R14: ffff8a6603c59400 R15: ffff8a6603c594e8
[ 171.305609] FS: 00007fd4cdcad740(0000) GS:ffff8a66c87ee000(0000) knlGS:0000000000000000
[ 171.307969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.309663] CR2: 0000000000000000 CR3: 000000000593e003 CR4: 0000000000372ef0
[ 171.311756] Call Trace:
[ 171.313372] <IRQ>
[ 171.314083] ? napi_complete_done (include/linux/list.h:37 (discriminator 2) include/net/gro.h:533 (discriminator 2) include/net/gro.h:528 (discriminator 2) include/net/gro.h:540
(discriminator 2) net/core/dev.c:6593 (discriminator 2))
[ 171.315355] ip_rcv_core (include/linux/skbuff.h:3329 net/ipv4/ip_input.c:545)
[ 171.316400] ip_rcv (net/ipv4/ip_input.c:571)
[ 171.317303] __netif_receive_skb_one_core (net/core/dev.c:5991 (discriminator 6))
[ 171.318720] process_backlog (include/linux/rcupdate.h:873 net/core/dev.c:6457)
[ 171.319804] __napi_poll (net/core/dev.c:7506)
[ 171.320776] net_rx_action (net/core/dev.c:7569 net/core/dev.c:7696)
[ 171.321816] handle_softirqs (kernel/softirq.c:579)
[ 171.322885] do_softirq.part.0 (kernel/softirq.c:480 (discriminator 25))
[ 171.323949] </IRQ>
[ 171.324510] <TASK>
[ 171.325070] __local_bh_enable_ip (kernel/softirq.c:482 kernel/softirq.c:407)
[ 171.326122] __dev_direct_xmit (net/core/dev.c:4786)
[ 171.327208] __xsk_generic_xmit (net/xdp/xsk.c:912)
[ 171.328253] ? obj_cgroup_charge_account (mm/memcontrol.c:2939 (discriminator 2) mm/memcontrol.c:3071 (discriminator 2))
[ 171.329506] xsk_sendmsg (net/xdp/xsk.c:953 net/xdp/xsk.c:1007 net/xdp/xsk.c:1017)
[ 171.330424] __sys_sendto (net/socket.c:714 (discriminator 20) net/socket.c:729 (discriminator 20) net/socket.c:2228 (discriminator 20))
[ 171.331380] __x64_sys_sendto (net/socket.c:2235 (discriminator 1) net/socket.c:2231 (discriminator 1) net/socket.c:2231 (discriminator 1))
[ 171.332351] do_syscall_64 (arch/x86/entry/syscall_64.c:66 (discriminator 1) arch/x86/entry/syscall_64.c:97 (discriminator 1))
[ 171.333308] ? ttwu_queue_wakelist (kernel/sched/core.c:3988 kernel/sched/core.c:3983)
[ 171.334449] ? set_task_cpu (kernel/sched/sched.h:2168 kernel/sched/sched.h:2199 kernel/sched/core.c:3372)
[ 171.335449] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/paravirt.h:562 arch/x86/include/asm/qspinlock.h:57 include/linux/spinlock.h:204
include/linux/spinlock_api_smp.h:150 kernel/locking/spinlock.c:194)
[ 171.336685] ? try_to_wake_up (kernel/sched/core.c:4331)
[ 171.337696] ? kick_pool (kernel/workqueue.c:1285)
[ 171.338643] ? __tty_insert_flip_string_flags (drivers/tty/tty_buffer.c:318 (discriminator 25))
[ 171.339978] ? tty_insert_flip_string_and_push_buffer (drivers/tty/tty_buffer.c:565)
[ 171.341477] ? remove_wait_queue (include/linux/list.h:215 (discriminator 1) include/linux/list.h:229 (discriminator 1) include/linux/wait.h:209 (discriminator 1)
kernel/sched/wait.c:74 (discriminator 1))
[ 171.342552] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/paravirt.h:562 arch/x86/include/asm/qspinlock.h:57 include/linux/spinlock.h:204
include/linux/spinlock_api_smp.h:150 kernel/locking/spinlock.c:194)
[ 171.343788] ? n_tty_write (drivers/tty/n_tty.c:2428 (discriminator 1))
[ 171.344746] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/paravirt.h:562 arch/x86/include/asm/qspinlock.h:57 include/linux/spinlock.h:204
include/linux/spinlock_api_smp.h:150 kernel/locking/spinlock.c:194)
[ 171.345974] ? __wake_up (kernel/sched/wait.c:129 kernel/sched/wait.c:146)
[ 171.346880] ? file_tty_write.isra.0 (drivers/tty/tty_io.c:1082)
[ 171.348058] ? vfs_write (fs/read_write.c:593 fs/read_write.c:686)
[ 171.348975] ? ksys_write (fs/read_write.c:739)
[ 171.349868] ? do_syscall_64 (arch/x86/include/asm/entry-common.h:65 (discriminator 1) include/linux/irq-entry-common.h:227 (discriminator 1) include/linux/entry-common.h:175
(discriminator 1) include/linux/entry-common.h:210 (discriminator 1) arch/x86/entry/syscall_64.c:103 (discriminator 1))
[ 171.350877] ? do_user_addr_fault (arch/x86/mm/fault.c:1337)
[ 171.351993] ? exc_page_fault (arch/x86/include/asm/paravirt.h:666 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[ 171.353032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 171.354303] RIP: 0033:0x7fd4cdeb6687
[ 171.355252] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2
39 83 fa 08 75 de e8 23 ff ff ff
All code
========
0: 48 89 fa mov %rdi,%rdx
3: 4c 89 df mov %r11,%rdi
6: e8 58 b3 00 00 call 0xb363
b: 8b 93 08 03 00 00 mov 0x308(%rbx),%edx
11: 59 pop %rcx
12: 5e pop %rsi
13: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax
17: 74 1a je 0x33
19: 5b pop %rbx
1a: c3 ret
1b: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
22: 00
23: 48 8b 44 24 10 mov 0x10(%rsp),%rax
28: 0f 05 syscall
2a:* 5b pop %rbx <-- trapping instruction
2b: c3 ret
2c: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
33: 83 e2 39 and $0x39,%edx
36: 83 fa 08 cmp $0x8,%edx
39: 75 de jne 0x19
3b: e8 23 ff ff ff call 0xffffffffffffff63
Code starting with the faulting instruction
===========================================
0: 5b pop %rbx
1: c3 ret
2: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
9: 83 e2 39 and $0x39,%edx
c: 83 fa 08 cmp $0x8,%edx
f: 75 de jne 0xffffffffffffffef
11: e8 23 ff ff ff call 0xffffffffffffff39
[ 171.359811] RSP: 002b:00007ffcfccf4800 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 171.361671] RAX: ffffffffffffffda RBX: 00007fd4cdcad740 RCX: 00007fd4cdeb6687
[ 171.363457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[ 171.365232] RBP: 00007ffcfccf4ad0 R08: 0000000000000000 R09: 0000000000000000
[ 171.367016] R10: 0000000000000040 R11: 0000000000000202 R12: 0000000000000000
[ 171.368807] R13: 00007ffcfccf4bf8 R14: 00007fd4ce082000 R15: 00005646beb2adc8
[ 171.370582] </TASK>
[ 171.371203] Modules linked in: veth intel_rapl_msr intel_rapl_common binfmt_misc iosf_mbi kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel rapl button evdev sg efi_pstore
configfs nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci qemu_fw_cfg autofs4 sr_mod sd_mod cdrom ata_generic ata_piix libata
virtio_net scsi_mod net_failover serio_raw failover scsi_common
[ 171.380065] CR2: 0000000000000000
[ 171.380992] ---[ end trace 0000000000000000 ]---
[ 171.382231] RIP: 0010:xsk_destruct_skb (net/xdp/xsk.c:577 net/xdp/xsk.c:617)
[ 171.383454] Code: 48 89 df 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 1f a5 d9 ff 48 8b 43 30 4c 8d 4b 30 48 89 c7 49 39 c1 74 bf 4c 8d 60 f8 <48> 8b 00 4c 89 3c 24 4d 89 cf 48
89 5c 24 08 89 d3 48 89 74 24 10
All code
========
0: 48 89 df mov %rbx,%rdi
3: 48 83 c4 18 add $0x18,%rsp
7: 5b pop %rbx
8: 5d pop %rbp
9: 41 5c pop %r12
b: 41 5d pop %r13
d: 41 5e pop %r14
f: 41 5f pop %r15
11: e9 1f a5 d9 ff jmp 0xffffffffffd9a535
16: 48 8b 43 30 mov 0x30(%rbx),%rax
1a: 4c 8d 4b 30 lea 0x30(%rbx),%r9
1e: 48 89 c7 mov %rax,%rdi
21: 49 39 c1 cmp %rax,%r9
24: 74 bf je 0xffffffffffffffe5
26: 4c 8d 60 f8 lea -0x8(%rax),%r12
2a:* 48 8b 00 mov (%rax),%rax <-- trapping instruction
2d: 4c 89 3c 24 mov %r15,(%rsp)
31: 4d 89 cf mov %r9,%r15
34: 48 89 5c 24 08 mov %rbx,0x8(%rsp)
39: 89 d3 mov %edx,%ebx
3b: 48 89 74 24 10 mov %rsi,0x10(%rsp)
Code starting with the faulting instruction
===========================================
0: 48 8b 00 mov (%rax),%rax
3: 4c 89 3c 24 mov %r15,(%rsp)
7: 4d 89 cf mov %r9,%r15
a: 48 89 5c 24 08 mov %rbx,0x8(%rsp)
f: 89 d3 mov %edx,%ebx
11: 48 89 74 24 10 mov %rsi,0x10(%rsp)
[ 171.388004] RSP: 0018:ffffcb43c0160d48 EFLAGS: 00010086
[ 171.389300] RAX: 0000000000000000 RBX: ffff8a660484e500 RCX: 0000000000000000
[ 171.391131] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000000
[ 171.392879] RBP: 0000000000000001 R08: ffff8a66023b4780 R09: ffff8a660484e530
[ 171.394689] R10: 0000000000000000 R11: fffff1384008ed00 R12: fffffffffffffff8
[ 171.396490] R13: ffff8a667ddb2c50 R14: ffff8a6603c59400 R15: ffff8a6603c594e8
[ 171.398252] FS: 00007fd4cdcad740(0000) GS:ffff8a66c87ee000(0000) knlGS:0000000000000000
[ 171.400259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.401669] CR2: 0000000000000000 CR3: 000000000593e003 CR4: 0000000000372ef0
[ 171.403446] Kernel panic - not syncing: Fatal exception in interrupt
[ 171.405183] Kernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 171.407880] Rebooting in 10 seconds..
p4emu login: [ 171.272491] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 171.274678] #PF: supervisor read access in kernel mode
[ 171.276216] #PF: error_code(0x0000) - not-present page
[ 171.277732] PGD 0 P4D 0
[ 171.278531] Oops: Oops: 0000 [#1] SMP NOPTI
[ 171.279806] CPU: 3 UID: 1 PID: 798 Comm: a.out Not tainted 6.17.2-cloud-amd64 #1 PREEMPT(lazy) Debian 6.17.2-1~exp1
[ 171.282885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014
[ 171.285663] RIP: 0010:xsk_destruct_skb+0xd5/0x180
[ 171.288015] Code: 48 89 df 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 1f a5 d9 ff 48 8b 43 30 4c 8d 4b 30 48 89 c7 49 39 c1 74 bf 4c 8d 60 f8 <48> 8b 00 4c 89 3c 24 4d 89 cf
48 89 5c 24 08 89 d3 48 89 74 24 10
[ 171.293459] RSP: 0018:ffffcb43c0160d48 EFLAGS: 00010086
[ 171.295023] RAX: 0000000000000000 RBX: ffff8a660484e500 RCX: 0000000000000000
[ 171.297112] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000000
[ 171.299266] RBP: 0000000000000001 R08: ffff8a66023b4780 R09: ffff8a660484e530
[ 171.301348] R10: 0000000000000000 R11: fffff1384008ed00 R12: fffffffffffffff8
[ 171.303453] R13: ffff8a667ddb2c50 R14: ffff8a6603c59400 R15: ffff8a6603c594e8
[ 171.305609] FS: 00007fd4cdcad740(0000) GS:ffff8a66c87ee000(0000) knlGS:0000000000000000
[ 171.307969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.309663] CR2: 0000000000000000 CR3: 000000000593e003 CR4: 0000000000372ef0
[ 171.311756] Call Trace:
[ 171.313372] <IRQ>
[ 171.314083] ? napi_complete_done+0x82/0x1c0
[ 171.315355] ip_rcv_core+0x1bd/0x350
[ 171.316400] ip_rcv+0x30/0x1f0
[ 171.317303] __netif_receive_skb_one_core+0x85/0xa0
[ 171.318720] process_backlog+0x87/0x130
[ 171.319804] __napi_poll+0x2e/0x1e0
[ 171.320776] net_rx_action+0x338/0x420
[ 171.321816] handle_softirqs+0xd4/0x310
[ 171.322885] do_softirq.part.0+0x3b/0x60
[ 171.323949] </IRQ>
[ 171.324510] <TASK>
[ 171.325070] __local_bh_enable_ip+0x60/0x70
[ 171.326122] __dev_direct_xmit+0x146/0x1e0
[ 171.327208] __xsk_generic_xmit+0x4a7/0xba0
[ 171.328253] ? obj_cgroup_charge_account+0x145/0x420
[ 171.329506] xsk_sendmsg+0xe3/0x1c0
[ 171.330424] __sys_sendto+0x1f2/0x200
[ 171.331380] __x64_sys_sendto+0x24/0x30
[ 171.332351] do_syscall_64+0x82/0x2f0
[ 171.333308] ? ttwu_queue_wakelist+0x13d/0x230
[ 171.334449] ? set_task_cpu+0xc4/0x1d0
[ 171.335449] ? _raw_spin_unlock_irqrestore+0xe/0x40
[ 171.336685] ? try_to_wake_up+0x371/0x8b0
[ 171.337696] ? kick_pool+0x5f/0x180
[ 171.338643] ? __tty_insert_flip_string_flags+0x93/0x120
[ 171.339978] ? tty_insert_flip_string_and_push_buffer+0x8d/0xc0
[ 171.341477] ? remove_wait_queue+0x24/0x60
[ 171.342552] ? _raw_spin_unlock_irqrestore+0xe/0x40
[ 171.343788] ? n_tty_write+0x3e1/0x550
[ 171.344746] ? _raw_spin_unlock_irqrestore+0xe/0x40
[ 171.345974] ? __wake_up+0x44/0x60
[ 171.346880] ? file_tty_write.isra.0+0x211/0x2c0
[ 171.348058] ? vfs_write+0x25a/0x480
[ 171.348975] ? ksys_write+0x73/0xf0
[ 171.349868] ? do_syscall_64+0xbb/0x2f0
[ 171.350877] ? do_user_addr_fault+0x21a/0x690
[ 171.351993] ? exc_page_fault+0x74/0x180
[ 171.353032] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 171.354303] RIP: 0033:0x7fd4cdeb6687
[ 171.355252] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83
e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 171.359811] RSP: 002b:00007ffcfccf4800 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 171.361671] RAX: ffffffffffffffda RBX: 00007fd4cdcad740 RCX: 00007fd4cdeb6687
[ 171.363457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[ 171.365232] RBP: 00007ffcfccf4ad0 R08: 0000000000000000 R09: 0000000000000000
[ 171.367016] R10: 0000000000000040 R11: 0000000000000202 R12: 0000000000000000
[ 171.368807] R13: 00007ffcfccf4bf8 R14: 00007fd4ce082000 R15: 00005646beb2adc8
[ 171.370582] </TASK>
[ 171.371203] Modules linked in: veth intel_rapl_msr intel_rapl_common binfmt_misc iosf_mbi kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel rapl button evdev sg efi_pstore
configfs nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci qemu_fw_cfg autofs4 sr_mod sd_mod cdrom ata_generic ata_piix libata
virtio_net scsi_mod net_failover serio_raw failover scsi_common
[ 171.380065] CR2: 0000000000000000
[ 171.380992] ---[ end trace 0000000000000000 ]---
[ 171.382231] RIP: 0010:xsk_destruct_skb+0xd5/0x180
[ 171.383454] Code: 48 89 df 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 1f a5 d9 ff 48 8b 43 30 4c 8d 4b 30 48 89 c7 49 39 c1 74 bf 4c 8d 60 f8 <48> 8b 00 4c 89 3c 24 4d 89 cf
48 89 5c 24 08 89 d3 48 89 74 24 10
[ 171.388004] RSP: 0018:ffffcb43c0160d48 EFLAGS: 00010086
[ 171.389300] RAX: 0000000000000000 RBX: ffff8a660484e500 RCX: 0000000000000000
[ 171.391131] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000000
[ 171.392879] RBP: 0000000000000001 R08: ffff8a66023b4780 R09: ffff8a660484e530
[ 171.394689] R10: 0000000000000000 R11: fffff1384008ed00 R12: fffffffffffffff8
[ 171.396490] R13: ffff8a667ddb2c50 R14: ffff8a6603c59400 R15: ffff8a6603c594e8
[ 171.398252] FS: 00007fd4cdcad740(0000) GS:ffff8a66c87ee000(0000) knlGS:0000000000000000
[ 171.400259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.401669] CR2: 0000000000000000 CR3: 000000000593e003 CR4: 0000000000372ef0
[ 171.403446] Kernel panic - not syncing: Fatal exception in interrupt
[ 171.405183] Kernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 171.407880] Rebooting in 10 seconds..
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