[  720.323809] rcu-torture: rcu_torture_read_exit: End of episode
[  733.713673] rcu-torture: rcu_torture_read_exit: Start of episode
[  733.724358] rcu-torture: rcu_torture_read_exit: End of episode
[  747.089598] rcu-torture: rcu_torture_read_exit: Start of episode
[  747.104170] rcu-torture: rcu_torture_read_exit: End of episode
[  760.593578] rcu-torture: rcu_torture_read_exit: Start of episode
[  760.601676] rcu-torture: rcu_torture_read_exit: End of episode
[  766.321565] rcu_torture_fwd_prog_nr: Duration 3372 cver 92 gps 133
[  766.705662] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[  766.714443] Mem abort info:
[  766.717226]   ESR = 0x86000006
[  766.720299]   EC = 0x21: IABT (current EL), IL = 32 bits
[  766.725620]   SET = 0, FnV = 0
[  766.728664]   EA = 0, S1PTW = 0
[  766.731821] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008874e6000
[  766.738267] [0000000000000000] pgd=0000000882b95003, p4d=0000000882b95003, pud=00000008838f9003, pmd=0000000000000000
[  766.748884] Internal error: Oops: 86000006 [#1] PREEMPT SMP
[  766.754442] Modules linked in: rcutorture torture
[  766.759143] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 5.10.153 #1
[  766.765219] Hardware name: Texas Instruments J784S4 EVM (DT)
[  766.770865] pstate: 00000005 (nzcv daif -PAN -UAO -TCO BTYPE=--)
[  766.776857] pc : 0x0
[  766.779041] lr : rcu_core+0x304/0x5a8
[  766.782690] sp : ffff80001124be50
[  766.785994] x29: ffff80001124be50 x28: ffff0008002a8e40 
[  766.791294] x27: 000000b28364704a x26: ffff8000100d073c 
[  766.796595] x25: 0000000000002710 x24: ffff80001124bec0 
[  766.801899] x23: ffff8000111216c0 x22: ffff000f7bfa7e70 
[  766.807197] x21: ffff0008002a8e40 x20: ffff0008002a8e40 
[  766.812495] x19: ffff000f7bfa7e00 x18: 0000000000000000 
[  766.817794] x17: 0000000000000000 x16: 0000000000000000 
[  766.823093] x15: 0000000000000afa x14: 0000000000000bbc 
[  766.828390] x13: 0000000000000003 x12: 0000000000000003 
[  766.833688] x11: 0000000000000004 x10: 0000000000000002 
[  766.838986] x9 : ffff000800355e00 x8 : 0000000000000004 
[  766.844283] x7 : 0000000000072003 x6 : 000000004ddd3aae 
[  766.849581] x5 : 000000000000009f x4 : 000000000000000a 
[  766.854880] x3 : 0000000000000026 x2 : ffff000807d3be00 
[  766.860177] x1 : 0000000000000000 x0 : ffff000807d3bd80 
[  766.865476] Call trace:
[  766.867915]  0x0
[  766.869750]  rcu_core_si+0x10/0x20
[  766.873143]  efi_header_end+0x120/0x268
[  766.876969]  irq_exit+0xc0/0xe0
[  766.880102]  __handle_domain_irq+0x68/0xc0
[  766.884190]  gic_handle_irq+0x58/0x128
[  766.887929]  el1_irq+0xcc/0x180
[  766.891064]  arch_cpu_idle+0x18/0x28
[  766.894633]  default_idle_call+0x20/0x68
[  766.898546]  do_idle+0xc0/0x128
[  766.901679]  cpu_startup_entry+0x24/0x60
[  766.905593]  secondary_start_kernel+0x14c/0x178
[  766.910116] Code: bad PC value
[  766.913172] ---[ end trace f04df93615417ece ]---
[  766.917778] Kernel panic - not syncing: Oops: Fatal exception in interrupt
[  766.924642] SMP: stopping secondary CPUs
[  766.928558] Kernel Offset: disabled
[  766.932034] CPU features: 0x28040022,20006008
[  766.936375] Memory Limit: none
[  766.939424] ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---