When I insmod ipc-shm-sample.ko ,then kernel panic:
root@s32g274ardb2:/mnt# insmod ipc-shm-sample.ko
[ 6.318139] random: crng init done
[ 32.407299] SError Interrupt on CPU3, code 0xbf000002 -- SError
[ 32.407324] CPU: 3 PID: 488 Comm: insmod Tainted: G O 5.10.109-rt65+g0bace7fde5f5 #1
[ 32.407334] Hardware name: NXP S32G274A-RDB2 (DT)
[ 32.407338] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--)
[ 32.407348] pc : ipc_shm_init+0x58c/0x8f0 [ipc_shm_dev]
[ 32.407374] lr : ipc_shm_init+0x574/0x8f0 [ipc_shm_dev]
[ 32.407390] sp : ffffffc0146f38b0
[ 32.407393] x29: ffffffc0146f38b0 x28: ffffffc008900380
[ 32.407405] x27: ffffffc0146f39f8 x26: ffffffc0144000d8
[ 32.407416] x25: 0000000000000000 x24: ffffffc0148000d8
[ 32.407425] x23: ffffffc0089004a0 x22: 0000000000000000
[ 32.407434] x21: 0000000000000000 x20: ffffffc0089004e8
[ 32.407443] x19: ffffffc0089004a8 x18: 0000000000000020
[ 32.407452] x17: 0000000034100000 x16: 0000000200100000
[ 32.407461] x15: ffffff880211b528 x14: ffffffffffffffff
[ 32.407470] x13: ffff000000000000 x12: 0000000000000018
[ 32.407480] x11: 0101010101010101 x10: ffffffff7f7fff7f
[ 32.407491] x9 : 0000000000000000 x8 : ffffff88038433c0
[ 32.407499] x7 : 0000000000000020 x6 : 0000000000000009
[ 32.407508] x5 : ffffffc0146f39f8 x4 : ffffffc0148000d8
[ 32.407517] x3 : ffffffc0144000d8 x2 : 0000000000000008
[ 32.407525] x1 : 0000000000000030 x0 : 0000000000000000
[ 32.407536] Kernel panic - not syncing:
[ 32.407539] Asynchronous SError Interrupt
[ 33.407704] SMP: stopping secondary CPUs
[ 33.541141] Kernel Offset: disabled
[ 33.544606] CPU features: 0x08040022,2000200c
[ 33.548946] Memory Limit: none
[ 33.551990] ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]---
