kernel panic on kpatch load with 4.9.88-1 #852
Description
Hello,
I get the following kernel panic when applying a kpatch built with 0.5.0 (source patch), running kernel was 4.9.88-1 on Debian GNU/Linux Stretch:
[1164001.946575] general protection fault: 0000 [#1] SMP
[1164001.991105] Modules linked in: livepatch_4_9_88_1_20180518_1(OK+) livepatch_4_9_88_1_20180510_1(OK) tcp_diag udp_diag inet_diag unix_diag nf_conntrack_netlink nfnetlink ip6t_MASQUERADE nf_nat_masquerade_ipv6 xt_nat twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common serpent_sse2_x86_64 serpent_generic cpuid ipt_MASQUERADE nf_nat_masquerade_ipv4 binfmt_misc drbg ansi_cprng authenc echainiv esp4 xfrm6_mode_tunnel xfrm4_mode_tunnel cbc xfrm_user xfrm_algo ip_vti ip_tunnel tun livepatch_4_9_88_1_20180504_1(OK) nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_raw ip6_tables nf_log_ipv4 nf_log_common xt_LOG xt_limit ipt_REJECT nf_reject_ipv4 xt_owner xt_conntrack iptable_filter iptable_mangle xt_NETMAP
[1164002.606622] xt_REDIRECT nf_nat_redirect xt_tcpudp iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_CT nf_conntrack xt_mark iptable_raw quota_v2 quota_tree iTCO_wdt iTCO_vendor_support evdev intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass intel_cstate intel_uncore intel_rapl_perf mgag200 pcspkr serio_raw ttm drm_kms_helper drm i2c_algo_bit hpilo hpwdt ie31200_edac sg lpc_ich mfd_core shpchp edac_core ipmi_si acpi_power_meter button pcc_cpufreq ipmi_devintf ipmi_msghandler coretemp loop ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb lrw glue_helper ablk_helper aes_x86_64 mbcache xts gf128mul algif_skcipher af_alg dm_crypt dm_mod raid10 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c
[1164003.205080] crc32c_generic raid1 md_mod ses enclosure sd_mod scsi_transport_sas uas usb_storage ahci libahci crct10dif_pclmul crc32_pclmul crc32c_intel tg3 ehci_pci libata uhci_hcd ptp pps_core xhci_pci ghash_clmulni_intel cryptd xhci_hcd psmouse ehci_hcd scsi_mod libphy thermal usbcore usb_common
[1164003.424068] CPU: 1 PID: 17257 Comm: insmod Tainted: G O K 4.9.0-6-amd64 #1 Debian 4.9.88-1
[1164003.505823] Hardware name: HP ProLiant MicroServer Gen8, BIOS J06 11/02/2015
[1164003.568970] task: ffff9ff3411a4480 task.stack: ffffac8f8271c000
[1164003.622925] RIP: 0010:[<ffffffff8ae2e1d0>] [<ffffffff8ae2e1d0>] apply_paravirt+0xc0/0x140
[1164003.696246] RSP: 0018:ffffac8f8271f9a0 EFLAGS: 00010216
[1164003.744368] RAX: 00010749ffffffff RBX: ffffffffc0940658 RCX: 0000000000000085
[1164003.808033] RDX: 00000000bfebfbff RSI: ffffac8f8271f9a2 RDI: 0000000000000246
[1164003.871750] RBP: ffffac8f8271f9a2 R08: 0000000000000085 R09: ffffffff8ae5acb0
[1164003.935551] R10: 0000000000000001 R11: ffff9ff3544b4400 R12: ffffffffc0940660
[1164003.999178] R13: 0000000000000000 R14: ffff9ff3544b49c0 R15: ffff9ff3b43f0800
[1164004.062853] FS: 00007f04c1cea700(0000) GS:ffff9ff3ca640000(0000) knlGS:0000000000000000
[1164004.134673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1164004.186437] CR2: 0000560cfd63e460 CR3: 00000001455c6000 CR4: 0000000000160670
[1164004.250434] Stack:
[1164004.270398] 401f0ff889486973 6172007172006b00 746c00650031312e 007265746e655f69
[1164004.336438] 74006e6f69007870 ffffac8f006e6f69 00ffac8f8271fa28 ffffffff8b13ae86
[1164004.402292] ffffac8f8271fa68 ffffffffc09471ec ffffffff8b7da9eb 0000000affffffff
[1164004.468192] Call Trace:
[1164004.491969] [<ffffffff8b13ae86>] ? vsscanf+0x4c6/0x800
[1164004.539197] [<ffffffff8b13b20e>] ? sscanf+0x4e/0x70
[1164004.584207] [<ffffffff8ae52be5>] ? arch_klp_init_object_loaded+0x105/0x130
[1164004.646577] [<ffffffff8b13b0be>] ? vsscanf+0x6fe/0x800
[1164004.693747] [<ffffffff8b13b20e>] ? sscanf+0x4e/0x70
[1164004.738656] [<ffffffff8aee29e8>] ? klp_init_object_loaded+0xf8/0x210
[1164004.796141] [<ffffffff8aee2d85>] ? klp_register_patch+0x285/0x390
[1164004.851443] [<ffffffffc09491fa>] ? patch_init+0x1fa/0x1000 [livepatch_4_9_88_1_20180518_1]
[1164004.925209] [<ffffffffc0949000>] ? 0xffffffffc0949000
[1164004.971569] [<ffffffff8ae0218e>] ? do_one_initcall+0x4e/0x180
[1164005.023799] [<ffffffff8afc87dd>] ? __vunmap+0x6d/0xc0
[1164005.070030] [<ffffffff8afc87dd>] ? __vunmap+0x6d/0xc0
[1164005.116280] [<ffffffff8af7eaa1>] ? do_init_module+0x5b/0x1ed
[1164005.167791] [<ffffffff8af025a6>] ? load_module+0x2596/0x2ab0
[1164005.219206] [<ffffffff8aefed50>] ? __symbol_put+0x60/0x60
[1164005.268346] [<ffffffff8af02d06>] ? SYSC_finit_module+0xc6/0xf0
[1164005.321267] [<ffffffff8ae03b7d>] ? do_syscall_64+0x8d/0xf0
[1164005.371234] [<ffffffff8b41244e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6
[1164005.432951] Code: 8d 7c 05 00 e8 62 f7 ff ff 0f b6 53 f9 48 8b 7b f0 48 89 ee e8 f2 f8 ff ff 49 39 dc 76 57 44 0f b6 43 09 41 80 f8 ff 75 84 0f 0b <48> 8b 10 48 8d 7d 08 48 83 e7 f8 48 89 55 00 89 ca 48 8b 74 10
[1164005.598265] RIP [<ffffffff8ae2e1d0>] apply_paravirt+0xc0/0x140
[1164005.651222] RSP <ffffac8f8271f9a0>
[1164005.686679] ---[ end trace 128c0fa6efe85d9e ]---
Regards
Simon