Comment 1 for bug 1855151

17:59:24 DEBUG| [stdout] # send cpu 63, receive socket 63
17:59:24 DEBUG| [stdout] # send cpu 65, receive socket 65
17:59:24 DEBUG| [stdout] # send cpu 67, receive socket 67
17:59:24 DEBUG| [stdout] # send cpu 69, receive socket 69
17:59:24 DEBUG| [stdout] # send cpu 71, receive socket 71
17:59:24 DEBUG| [stdout] # send cpu 73, receive socket 73
[ 3269.552837] test_bpf: #0 TAX jited:1
[ 3269.552885] Oops: Exception in kernel mode, sig: 4 [#1]
[ 3269.552916] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV
[ 3269.552928] Modules linked in: test_bpf(+) tls af_packet_diag tcp_diag udp_diag raw_diag inet_diag binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua joydev input_leds
 mac_hid ofpart cmdlinepart powernv_flash mtd at24 opal_prd uio_pdrv_genirq uio ipmi_powernv ipmi_devintf ipmi_msghandler ibmpowernv vmx_crypto powernv_rng sch_fq_codel ip_tables x_t
ables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid
 ast drm_vram_helper i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crct10dif_vpmsum crc32c_vpmsum drm ahci tg3 libahci drm_panel_orientation_quirks [l
ast unloaded: notifier_error_inject]
[ 3269.847244] CPU: 55 PID: 1111137 Comm: modprobe Not tainted 5.4.0-7-generic #8
[ 3269.926547] NIP: c0080000029f80b4 LR: c00800000465106c CTR: c0080000029f80b4
[ 3269.927427] REGS: c000000712eb3410 TRAP: 0e40 Not tainted (5.4.0-7-generic)
[ 3269.928286] MSR: 900000000288b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 28222422 XER: 20000000
[ 3270.036372] CFAR: c00000000000de44 IRQMASK: 0
[ 3270.036372] GPR00: c008000004651044 c000000712eb36a0 c00800000465dd00 c000000415ee1600
[ 3270.036372] GPR04: c008000002850038 ffffffffffffffff 0000000001f401dc 00025a599268f4d4
[ 3270.036372] GPR08: 0000000000000018 0000018acb48de01 000000000018f194 c008000004651ac0
[ 3270.036372] GPR12: c0080000029f80b4 c0000007ff741c80 0000000000000008 000000000000007b
[ 3270.036372] GPR16: ffff00081234aaab 0000000000000241 000000000000024c 20c49ba5e353f7cf
[ 3270.036372] GPR20: c000000415ee1600 c008000004656dc9 c008000004656e74 00000000000003e8
[ 3270.036372] GPR24: c008000002850038 000000001234aaaa c008000004656e50 c008000002850000
[ 3270.036372] GPR28: 0000000000000000 000002f94279bb09 0000000000000000 c008000004655dc0
[ 3270.306180] NIP [c0080000029f80b4] 0xc0080000029f80b4
[ 3270.307006] LR [c00800000465106c] run_one+0x2b0/0x41c [test_bpf]
[ 3270.307912] Call Trace:
[ 3270.307923] [c000000712eb36a0] [c008000004651044] run_one+0x288/0x41c [test_bpf] (unreliable)
[ 3270.415622] [c000000712eb37b0] [c008000004651474] test_bpf+0x29c/0x3d8 [test_bpf]
[ 3270.416485] [c000000712eb38a0] [c008000004651714] test_bpf_init+0x164/0x468 [test_bpf]
[ 3270.505901] [c000000712eb3990] [c0000000000100c4] do_one_initcall+0x64/0x2b0
[ 3270.506777] [c000000712eb3a60] [c000000000225bec] do_init_module+0x7c/0x2e0
[ 3270.507674] [c000000712eb3af0] [c000000000228e88] load_module+0x1628/0x1a40
[ 3270.606197] [c000000712eb3d00] [c0000000002295a8] __do_sys_finit_module+0xc8/0x150
[ 3270.607134] [c000000712eb3e20] [c00000000000b278] system_call+0x5c/0x68
[ 3270.608814] Instruction dump:
[ 3270.608857] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[ 3270.713687] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[ 3270.716164] ---[ end trace fd593383c9195849 ]---
17:59:24 DEBUG| [stdout] # send c[ 3270.826052]
pu 75, receive socket 75
17:59:24 DEBUG| [stdout] # send cpu 77, receive socket 77