[ 0.681659] kernel tried to execute user page (0) - exploit attempt? (uid: 0) [ 0.766618] BUG: Unable to handle kernel instruction fetch (NULL pointer?) [ 0.848899] Faulting instruction address: 0x00000000 [ 0.908273] Oops: Kernel access of bad area, sig: 11 [#1] [ 0.972851] BE PAGE_SIZE=4K SMP NR_CPUS=2 P1020 RDB [ 1.031179] Modules linked in: [ 1.067639] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.10.80 #0 [ 1.139507] NIP: 00000000 LR: c0021d2c CTR: 00000000 [ 1.199921] REGS: c1051cf0 TRAP: 0400 Not tainted (5.10.80) [ 1.269705] MSR: 00021000 CR: 84020202 XER: 00000000 [ 1.340534] [ 1.340534] GPR00: c0021cb8 c1051da8 c1048000 00000001 00029000 00000000 00000001 00000000 [ 1.340534] GPR08: 00000001 00000000 c08b0000 00000040 22000208 00000000 c00032c4 00000000 [ 1.340534] GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00029000 00000001 [ 1.340534] GPR24: 1ffff240 20000000 dffff240 c080a1f4 00000001 c08ae0a8 00000001 dffff240 [ 1.758220] NIP [00000000] 0x0 [ 1.794688] LR [c0021d2c] smp_85xx_kick_cpu+0xe8/0x568 [ 1.856126] Call Trace: [ 1.885295] [c1051da8] [c0021cb8] smp_85xx_kick_cpu+0x74/0x568 (unreliable) [ 1.968633] [c1051de8] [c0011460] __cpu_up+0xc0/0x228 [ 2.029038] [c1051e18] [c0031bbc] bringup_cpu+0x30/0x224 [ 2.092572] [c1051e48] [c0031f3c] cpu_up.constprop.0+0x180/0x33c [ 2.164443] [c1051e88] [c00322e8] bringup_nonboot_cpus+0x88/0xc8 [ 2.236326] [c1051eb8] [c07e67bc] smp_init+0x30/0x78 [ 2.295697] [c1051ed8] [c07d9e28] kernel_init_freeable+0x118/0x2a8 [ 2.369641] [c1051f18] [c00032d8] kernel_init+0x14/0x124 [ 2.433176] [c1051f38] [c0010278] ret_from_kernel_thread+0x14/0x1c [ 2.507125] Instruction dump: [ 2.542540] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX [ 2.635242] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX [ 2.727952] ---[ end trace f47609efd29dc12f ]--- [ 2.783149] [ 3.800879] Kernel panic - not syncing: Fatal exception [ 3.862353] Rebooting in 1 seconds.. [ 5.905097] System Halted, OK to turn off power