Hello some informations :
model : GL Technologies, Inc. AXT1800
firmware version OpenWrt 21.02-SNAPSHOT r16399+171-c67509efd7
After upgrading the router start to crash and reboot in a loop.
What's wrong?
Here are the crash logs
Thanks for your help

Oops#1 Part1
<4>[  297.621473] CPU: 1 PID: 121 Comm: kworker/1:1 Not tainted 4.4.60 #0
<4>[  297.621826] Hardware name: Generic DT based system
<4>[  297.627909] Workqueue: events rproc_crash_handler_work
<4>[  297.637876] task: 9dec5e80 ti: 9d92a000 task.ti: 9d92a000
<4>[  297.638015] PC is at ath11k_core_ssr_notifier_cb+0xa4/0xb4 [ath11k]
<4>[  297.643385] LR is at ath11k_hal_dump_srng_stats+0x248/0x2c0 [ath11k]
<4>[  297.649433] pc : [<7f7e0064>]    lr : [<7f7e2764>]    psr: 60000013
<4>[  297.649433] sp : 9d92be28  ip : 00000000  fp : 9d81e428
<4>[  297.656039] r10: 8083a520  r9 : 9d81e664  r8 : 00000000
<4>[  297.667225] r7 : 8075fee0  r6 : 9e5af610  r5 : 8075fee0  r4 : 9af3092c
<4>[  297.672436] r3 : 00000000  r2 : dc8ba63c  r1 : 9eb4a324  r0 : 0000007a
<4>[  297.679035] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
<4>[  297.685545] Control: 10c0383d  Table: 5b4bc06a  DAC: 00000055
<0>[  297.692747] Process kworker/1:1 (pid: 121, stack limit = 0x9d92a210)
<0>[  297.698652] Stack: (0x9d92be28 to 0x9d92c000)
<0>[  297.705074] be20:                   1386935e 9af3192c 00000000 fffffffd 00000000 80044da0
<0>[  297.709335] be40: 8087d520 00000000 8075fee0 ffffffff 9d81e428 80045094 00000000 9d92be6c
<0>[  297.717494] be60: 00000000 9d81e778 9d81e604 00000001 9d81e400 800450c8 00000000 803572ec
<0>[  297.725654] be80: 9d81e62c 8044c40c 9d81e62c 9d81e664 9d81e400 9d81e62c 9d81e5c0 8044df58
<0>[  297.733814] bea0: 00000001 80357180 8073f73c 8075efec 9d80f4c0 00000000 10f80c42 9d81e62c
<0>[  297.741973] bec0: 9d81e664 00000003 9d81e62c 9d81e5c0 9d81e664 8083a520 9eb4cb40 8044e290
<0>[  297.750133] bee0: 8044e164 9d81e62c 9df42800 9eb4cb40 9eb50000 00000000 00000000 8083a520
<0>[  297.758293] bf00: 9eb4cb40 8003ed30 9eb4cb40 9eb4cb40 00000008 9df42800 9df42818 9eb4cb40
<0>[  297.766452] bf20: 00000008 9eb4cb54 9d92a000 8083a520 9eb4cb40 8003f1b0 80836100 9df42800
<0>[  297.774611] bf40: 8003eec8 00000000 9df43380 9df42800 8003eec8 00000000 00000000 00000000
<0>[  297.782772] bf60: 00000000 8004428c 00000000 00000000 00000000 9df42800 00000000 00000000
<0>[  297.790932] bf80: 9d92bf80 9d92bf80 00000000 00000000 9d92bf90 9d92bf90 9d92bfac 9df43380
<0>[  297.799091] bfa0: 8004419c 00000000 00000000 80009c28 00000000 00000000 00000000 00000000
<0>[  297.807250] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<0>[  297.815410] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
<4>[  297.823693] [<7f7e0064>] (ath11k_core_ssr_notifier_cb [ath11k]) from [<80044da0>] (notifier_call_chain+0x2c/0x70)
<4>[  297.831738] [<80044da0>] (notifier_call_chain) from [<80045094>] (__blocking_notifier_call_chain+0x48/0x64)
<4>[  297.841978] [<80045094>] (__blocking_notifier_call_chain) from [<800450c8>] (blocking_notifier_call_chain+0x18/0x20)
<4>[  297.851530] [<800450c8>] (blocking_notifier_call_chain) from [<8044c40c>] (rproc_stop+0x2c/0xc4)
<4>[  297.862290] [<8044c40c>] (rproc_stop) from [<8044df58>] (rproc_trigger_recovery+0x4c/0x258)
<4>[  297.871055] [<8044df58>] (rproc_trigger_recovery) from [<8044e290>] (rproc_crash_handler_work+0x12c/0x1bc)
<4>[  297.879132] [<8044e290>] (rproc_crash_handler_work) from [<8003ed30>] (process_one_work+0x220/0x3b8)
<4>[  297.888852] [<8003ed30>] (process_one_work) from [<8003f1b0>] (worker_thread+0x2e8/0x4d0)
<4>[  297.898138] [<8003f1b0>] (worker_thread) from [<8004428c>] (kthread+0xf0/0xf8)
<4>[  297.906209] [<8004428c>] (kthread) from [<80009c28>] (ret_from_fork+0x14/0x2c)
<0>[  297.913327] Code: eb2a20eb e3500000 0affffe9 ea000000 (e7f001f2) 
<4>[  297.920529] ---[ end trace 714758b55d888ccf ]---


Panic#2 Part1
 ip6t_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 nf_nat nf_conntrack nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 bonding ifb ip6_udp_tunnel udp_tunnel qca_nss_drv qca_nss_dp udp_diag tcp_diag raw_diag inet_diag tun qca_ssdk vfat fat ntfs nls_utf8 nls_iso8859_1 nls_cp437 mtdoops uas usb_storage gl_fan_driver xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_qcom dbm uhci_hcd ohci_platform ohci_hcd phy_msm_ssusb_qmp phy_msm_qusb ehci_platform sd_mod scsi_mod kmwan ehci_hcd gpio_button_hotplug gl_sdk4_tertf gl_sdk4_black_white_list usbcore nls_base usb_common mii gl_sdk4_hw_info
<4>[  297.621473] CPU: 1 PID: 121 Comm: kworker/1:1 Not tainted 4.4.60 #0
<4>[  297.621826] Hardware name: Generic DT based system
<4>[  297.627909] Workqueue: events rproc_crash_handler_work
<4>[  297.637876] task: 9dec5e80 ti: 9d92a000 task.ti: 9d92a000
<4>[  297.638015] PC is at ath11k_core_ssr_notifier_cb+0xa4/0xb4 [ath11k]
<4>[  297.643385] LR is at ath11k_hal_dump_srng_stats+0x248/0x2c0 [ath11k]
<4>[  297.649433] pc : [<7f7e0064>]    lr : [<7f7e2764>]    psr: 60000013
<4>[  297.649433] sp : 9d92be28  ip : 00000000  fp : 9d81e428
<4>[  297.656039] r10: 8083a520  r9 : 9d81e664  r8 : 00000000
<4>[  297.667225] r7 : 8075fee0  r6 : 9e5af610  r5 : 8075fee0  r4 : 9af3092c
<4>[  297.672436] r3 : 00000000  r2 : dc8ba63c  r1 : 9eb4a324  r0 : 0000007a
<4>[  297.679035] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
<4>[  297.685545] Control: 10c0383d  Table: 5b4bc06a  DAC: 00000055
<0>[  297.692747] Process kworker/1:1 (pid: 121, stack limit = 0x9d92a210)
<0>[  297.698652] Stack: (0x9d92be28 to 0x9d92c000)
<0>[  297.705074] be20:                   1386935e 9af3192c 00000000 fffffffd 00000000 80044da0
<0>[  297.709335] be40: 8087d520 00000000 8075fee0 ffffffff 9d81e428 80045094 00000000 9d92be6c
<0>[  297.717494] be60: 00000000 9d81e778 9d81e604 00000001 9d81e400 800450c8 00000000 803572ec
<0>[  297.725654] be80: 9d81e62c 8044c40c 9d81e62c 9d81e664 9d81e400 9d81e62c 9d81e5c0 8044df58
<0>[  297.733814] bea0: 00000001 80357180 8073f73c 8075efec 9d80f4c0 00000000 10f80c42 9d81e62c
<0>[  297.741973] bec0: 9d81e664 00000003 9d81e62c 9d81e5c0 9d81e664 8083a520 9eb4cb40 8044e290
<0>[  297.750133] bee0: 8044e164 9d81e62c 9df42800 9eb4cb40 9eb50000 00000000 00000000 8083a520
<0>[  297.758293] bf00: 9eb4cb40 8003ed30 9eb4cb40 9eb4cb40 00000008 9df42800 9df42818 9eb4cb40
<0>[  297.766452] bf20: 00000008 9eb4cb54 9d92a000 8083a520 9eb4cb40 8003f1b0 80836100 9df42800
<0>[  297.774611] bf40: 8003eec8 00000000 9df43380 9df42800 8003eec8 00000000 00000000 00000000
<0>[  297.782772] bf60: 00000000 8004428c 00000000 00000000 00000000 9df42800 00000000 00000000
<0>[  297.790932] bf80: 9d92bf80 9d92bf80 00000000 00000000 9d92bf90 9d92bf90 9d92bfac 9df43380
<0>[  297.799091] bfa0: 8004419c 00000000 00000000 80009c28 00000000 00000000 00000000 00000000
<0>[  297.807250] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<0>[  297.815410] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
<4>[  297.823693] [<7f7e0064>] (ath11k_core_ssr_notifier_cb [ath11k]) from [<80044da0>] (notifier_call_chain+0x2c/0x70)
<4>[  297.831738] [<80044da0>] (notifier_call_chain) from [<80045094>] (__blocking_notifier_call_chain+0x48/0x64)
<4>[  297.841978] [<80045094>] (__blocking_notifier_call_chain) from [<800450c8>] (blocking_notifier_call_chain+0x18/0x20)
<4>[  297.851530] [<800450c8>] (blocking_notifier_call_chain) from [<8044c40c>] (rproc_stop+0x2c/0xc4)
<4>[  297.862290] [<8044c40c>] (rproc_stop) from [<8044df58>] (rproc_trigger_recovery+0x4c/0x258)
<4>[  297.871055] [<8044df58>] (rproc_trigger_recovery) from [<8044e290>] (rproc_crash_handler_work+0x12c/0x1bc)
<4>[  297.879132] [<8044e290>] (rproc_crash_handler_work) from [<8003ed30>] (process_one_work+0x220/0x3b8)
<4>[  297.888852] [<8003ed30>] (process_one_work) from [<8003f1b0>] (worker_thread+0x2e8/0x4d0)
<4>[  297.898138] [<8003f1b0>] (worker_thread) from [<8004428c>] (kthread+0xf0/0xf8)
<4>[  297.906209] [<8004428c>] (kthread) from [<80009c28>] (ret_from_fork+0x14/0x2c)
<0>[  297.913327] Code: eb2a20eb e3500000 0affffe9 ea000000 (e7f001f2) 
<4>[  297.920529] ---[ end trace 714758b55d888ccf ]---
<0>[  297.931050] Kernel panic - not syncing: Fatal exception
<2>[  297.931377] CPU0: stopping
<4>[  297.936323] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D         4.4.60 #0
<4>[  297.939103] Hardware name: Generic DT based system
<4>[  297.946313] [<8001f784>] (unwind_backtrace) from [<8001bad4>] (show_stack+0x10/0x14)
<4>[  297.951003] [<8001bad4>] (show_stack) from [<80260c10>] (dump_stack+0x8c/0xa0)
<4>[  297.958901] [<80260c10>] (dump_stack) from [<8001e6e0>] (handle_IPI+0x104/0x190)
<4>[  297.965931] [<8001e6e0>] (handle_IPI) from [<800093bc>] (gic_handle_irq+0x80/0x94)
<4>[  297.973483] [<800093bc>] (gic_handle_irq) from [<8000a4c0>] (__irq_svc+0x40/0x74)
<4>[  297.980858] Exception stack(0x80835f50 to 0x80835f98)
<4>[  297.988407] 5f40:                                     00000001 00000000 00000000 8000b400
<4>[  297.993449] 5f60: 80834000 808364a0 806d2f48 00000000 00000000 8082f30c 80835fa8 808364a8
<4>[  298.001609] 5f80: 60000013 80835fa0 80019394 80019398 60000013 ffffffff
<4>[  298.009767] [<8000a4c0>] (__irq_svc) from [<80019398>] (arch_cpu_idle+0x34/0x50)
<4>[  298.016194] [<80019398>] (arch_cpu_idle) from [<80063664>] (cpu_startup_entry+0x154/0x228)
<4>[  298.023835] [<80063664>] (cpu_startup_entry) from [<807f7d28>] (start_kernel+0x430/0x43c)
<2>[  298.031902] CPU3: stopping
<4>[  298.040139] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D         4.4.60 #0
<4>[  298.042749] Hardware name: Generic DT based system
<4>[  298.049955] [<8001f784>] (unwind_backtrace) from [<8001bad4>] (show_stack+0x10/0x14)
<4>[  298.054646] [<8001bad4>] (show_stack) from [<80260c10>] (dump_stack+0x8c/0xa0)
<4>[  298.062545] [<80260c10>] (dump_stack) from [<8001e6e0>] (handle_IPI+0x104/0x190)
<4>[  298.069576] [<8001e6e0>] (handle_IPI) from [<800093bc>] (gic_handle_irq+0x80/0x94)
<4>[  298.077128] [<800093bc>] (gic_handle_irq) from [<8000a4c0>] (__irq_svc+0x40/0x74)
<4>[  298.084503] Exception stack(0x9e48ff88 to 0x9e48ffd0)
<4>[  298.092054] ff80:                   00000001 00000000 00000000 8000b400 9e48e000 808364a0
<4>[  298.097095] ffa0: 806d2f48 00000000 00000000 8082f30c 9e48ffe0 808364a8 00000000 9e48ffd8
<4>[  298.105253] ffc0: 80019394 80019398 60000013 ffffffff
<4>[  298.113408] [<8000a4c0>] (__irq_svc) from [<80019398>] (arch_cpu_idle+0x34/0x50)
<4>[  298.118448] [<80019398>] (arch_cpu_idle) from [<80063664>] (cpu_startup_entry+0x154/0x228)
<4>[  298.125915] [<80063664>] (cpu_startup_entry) from [<4100946c>] (0x4100946c)
<2>[  298.133982] CPU2: stopping
<4>[  298.140833] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D         4.4.60 #0
<4>[  298.143616] Hardware name: Generic DT based system
<4>[  298.150823] [<8001f784>] (unwind_backtrace) from [<8001bad4>] (show_stack+0x10/0x14)
<4>[  298.155514] [<8001bad4>] (show_stack) from [<80260c10>] (dump_stack+0x8c/0xa0)
<4>[  298.163414] [<80260c10>] (dump_stack) from [<8001e6e0>] (handle_IPI+0x104/0x190)
<4>[  298.170445] [<8001e6e0>] (handle_IPI) from [<800093bc>] (gic_handle_irq+0x80/0x94)
<4>[  298.177997] [<800093bc>] (gic_handle_irq) from [<8000a4c0>] (__irq_svc+0x40/0x74)
<4>[  298.185372] Exception stack(0x9e48df88 to 0x9e48dfd0)
<4>[  298.192922] df80:                   00000001 00000000 00000000 8000b400 9e48c000 808364a0
<4>[  298.197963] dfa0: 806d2f48 00000000 00000000 8082f30c 9e48dfe0 808364a8 60000013 9e48dfd8
<4>[  298.206120] dfc0: 80019394 80019398 60000013 ffffffff
<4>[  298.214277] [<8000a4c0>] (__irq_svc) from [<80019398>] (arch_cpu_idle+0x34/0x50)
<4>[  298.219317] [<80019398>] (arch_cpu_idle) from [<80063664>] (cpu_startup_entry+0x154/0x228)
<4>[  298.226782] [<80063664>] (cpu_startup_entry) from [<4100946c>] (0x4100946c)
<0>[  298.234855] The reading for sensor 4 is 0x00204291
<0>[  298.241753] Couldn't get reading for sensor 5
<0>[  298.246566] The reading for sensor 7 is 0x0020728a
<0>[  298.250996] The reading for sensor 8 is 0x00208287
<0>[  298.255682] The reading for sensor 13 is 0x0022d294
<0>[  298.260456] The reading for sensor 14 is 0x0020e287
<0>[  298.265277] Couldn't get reading for sensor 15

It seems that the issue is coming from the WireGuard VPN client.
When I disable it, the router no longer crashes.
how can i fix it?

restroying then recreating the vpn solve the problem