[  504.061647] Oops: Exception in kernel mode, sig: 4 [#1]
[  504.061657] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV
[  504.061661] Modules linked in: tls binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_powernv uio_pdrv_genirq ipmi_devintf ipmi_msghandler uio powernv_rng ibmpowernv vmx_crypto leds_powernv powernv_op_panel sch_fq_codel ip_tables x_tables autofs4 ses enclosure scsi_transport_sas btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_vpmsum crc32c_vpmsum tg3 ipr [last unloaded: notifier_error_inject]
[  504.061699] CPU: 18 PID: 36045 Comm: tls Not tainted 5.3.0-43-generic #36-Ubuntu
[  504.061702] NIP:  c00800000a4d6a40 LR: c00800000a4d6a40 CTR: c000000000179270
[  504.061705] REGS: c000000fc97837a0 TRAP: 0e40   Not tainted  (5.3.0-43-generic)
[  504.061708] MSR:  900000000288b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE>  CR: 28002862  XER: 20000000
[  504.061715] CFAR: c00000000000dfc4 IRQMASK: 0 
               GPR00: c00800000a4d6a40 c000000fc9783a30 c0000000019d9000 0000000000000000 
               GPR04: c000000f5afc0000 0000000000000000 c000000fc97839b8 0000000000000000 
               GPR08: c000000f5afc0000 0000000000000000 0000000000000000 c000000ff9a13780 
               GPR12: 0000000088002462 c000000ffffeb380 0000000000000000 0000000000000000 
               GPR16: 0000000000000000 00000ac875961368 00000ac875960d38 00000ac875960d90 
               GPR20: 00007ffffc6b4ef0 c000000e3996dc48 0000000000000000 0000000000000000 
               GPR24: c0000000004a9d70 0000000000000000 000000000000ea60 0000000000000000 
               GPR28: c00c00000398c740 c00000000ab32e70 0000000000000000 c000000f7ecebd00 
[  504.061740] NIP [c00800000a4d6a40] tls_sw_sendpage+0x68/0x100 [tls]
[  504.061744] LR [c00800000a4d6a40] tls_sw_sendpage+0x68/0x100 [tls]
[  504.061746] Call Trace:
[  504.061749] [c000000fc9783a30] [c00800000a4d6a40] tls_sw_sendpage+0x68/0x100 [tls] (unreliable)
[  504.061756] [c000000fc9783a80] [c000000000d7698c] inet_sendpage+0x8c/0x140
[  504.061761] [c000000fc9783ad0] [c000000000c33fd8] kernel_sendpage+0x38/0x70
[  504.061764] [c000000fc9783af0] [c000000000c34044] sock_sendpage+0x34/0x50
[  504.061768] [c000000fc9783b10] [c0000000004a9e8c] pipe_to_sendpage+0x7c/0xf0
[  504.061771] [c000000fc9783b40] [c0000000004ab3d4] __splice_from_pipe+0x164/0x280
[  504.061775] [c000000fc9783ba0] [c0000000004ad994] splice_from_pipe+0x74/0xc0
[  504.061779] [c000000fc9783c20] [c0000000004a9dbc] direct_splice_actor+0x4c/0xa0
[  504.061782] [c000000fc9783c40] [c0000000004aad14] splice_direct_to_actor+0x2a4/0x3c0
[  504.061785] [c000000fc9783cc0] [c0000000004aaee4] do_splice_direct+0xb4/0x130
[  504.061789] [c000000fc9783d30] [c0000000004565c4] do_sendfile+0x234/0x4a0
[  504.061792] [c000000fc9783dd0] [c000000000456b70] sys_sendfile64+0x160/0x170
[  504.061797] [c000000fc9783e20] [c00000000000b388] system_call+0x5c/0x70
[  504.061799] Instruction dump:
[  504.061803] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
[  504.061807] 00000000 00000000 00000000 00000000 <00000000> 00000000 00000000 00000000 
[  504.061813] ---[ end trace 8961ea39a6f2dd08 ]---