it's also panic on 6.8.0-63.generic 2025-09-09 14:22:26.675+0000[93133.498232] BUG: kernel NULL pointer dereference, address: 0000000000000000 2025-09-09 14:47:04.752+0000[93133.498747] #PF: supervisor write access in kernel mode 2025-09-09 14:47:04.752+0000[93133.499055] #PF: error_code(0x0002) - not-present page 2025-09-09 14:47:04.753+0000[93133.499359] PGD 8000000008a79067 P4D 8000000008a79067 PUD 9712067 PMD 0 2025-09-09 14:47:04.753+0000[93133.499876] Oops: 0002 [#1] PREEMPT SMP PTI 2025-09-09 14:47:04.753+0000[93133.500136] CPU: 0 PID: 293140 Comm: ygljglkjgfg0 Not tainted 6.8.0-63-generic #66-Ubuntu 2025-09-09 14:47:04.754+0000[93133.500696] Hardware name: Alibaba Cloud Alibaba Cloud ECS, BIOS 0.0.0 02/06/2015 2025-09-09 14:47:04.754+0000[93133.501129] RIP: 0010:__nf_ct_delete_from_lists+0xb8/0x150 [nf_conntrack] 2025-09-09 14:47:04.755+0000[93133.501561] Code: ff 8b 1d c7 71 01 00 44 89 ea 44 89 f7 89 c0 48 0f af d8 48 c1 eb 20 89 de e8 74 fe ff ff 84 c0 75 88 49 8b 47 10 49 8b 57 18 <48> 89 02 a8 01 75 04 48 89 50 08 48 b8 22 01 00 00 00 00 ad de 49 2025-09-09 14:47:04.756+0000[93133.502661] RSP: 0000:ffffb22544d47658 EFLAGS: 00010246 2025-09-09 14:47:04.756+0000[93133.503009] RAX: 0000000000001b29 RBX: 0000000000000541 RCX: 0000000000000000 2025-09-09 14:47:04.757+0000[93133.503420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 2025-09-09 14:47:04.757+0000[93133.503822] RBP: ffffb22544d47698 R08: 0000000000000000 R09: 0000000000000000 2025-09-09 14:47:04.758+0000[93133.504235] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000d94 2025-09-09 14:47:04.758+0000[93133.504729] R13: 0000000000000000 R14: 0000000000000d94 R15: ffff916bc80ebb00 2025-09-09 14:47:04.758+0000[93133.505143] FS: 0000000000000000(0000) GS:ffff916bdcc00000(0063) knlGS:00000000f1a29b90 2025-09-09 14:47:04.759+0000[93133.505747] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 2025-09-09 14:47:04.759+0000[93133.506087] CR2: 0000000000000000 CR3: 000000000a9cc002 CR4: 00000000003706f0 2025-09-09 14:47:04.760+0000[93133.506483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 2025-09-09 14:47:04.760+0000[93133.507024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 2025-09-09 14:47:04.761+0000[93133.507482] Call Trace: 2025-09-09 14:47:04.761+0000[93133.507637] <TASK> 2025-09-09 14:47:04.761+0000[93133.507771] ? show_regs+0x6d/0x80 2025-09-09 14:47:04.761+0000[93133.507978] ? __die+0x24/0x80 2025-09-09 14:47:04.762+0000[93133.508170] ? page_fault_oops+0x99/0x1b0 2025-09-09 14:47:04.762+0000[93133.508434] ? do_user_addr_fault+0x2ea/0x670 2025-09-09 14:47:04.762+0000[93133.508691] ? exc_page_fault+0x83/0x1b0 2025-09-09 14:47:04.762+0000[93133.508998] ? asm_exc_page_fault+0x27/0x30 2025-09-09 14:47:04.763+0000[93133.509253] ? __nf_ct_delete_from_lists+0xb8/0x150 [nf_conntrack] 2025-09-09 14:47:04.763+0000[93133.509771] ? __nf_ct_delete_from_lists+0xac/0x150 [nf_conntrack] 2025-09-09 14:47:04.764+0000[93133.510156] nf_ct_delete+0xd5/0x250 [nf_conntrack] 2025-09-09 14:47:04.764+0000[93133.510478] nf_ct_gc_expired.part.0+0x66/0xa0 [nf_conntrack] 2025-09-09 14:47:04.764+0000[93133.510908] early_drop+0x1bd/0x260 [nf_conntrack] 2025-09-09 14:47:04.765+0000[93133.511225] __nf_conntrack_alloc+0x14e/0x1a0 [nf_conntrack] 2025-09-09 14:47:04.765+0000[93133.511601] init_conntrack.isra.0+0x413/0x4e0 [nf_conntrack] 2025-09-09 14:47:04.765+0000[93133.511940] resolve_normal_ct+0x1ec/0x250 [nf_conntrack] 2025-09-09 14:47:04.766+0000[93133.512431] nf_conntrack_in+0xdb/0x360 [nf_conntrack] 2025-09-09 14:47:04.766+0000[93133.512735] ipv4_conntrack_local+0x58/0xa0 [nf_conntrack] 2025-09-09 14:47:04.766+0000[93133.513057] nf_hook_slow+0x46/0x130 2025-09-09 14:47:04.767+0000[93133.513274] raw_send_hdrinc+0x415/0x5b0 2025-09-09 14:47:04.767+0000[93133.513630] ? __pfx_dst_output+0x10/0x10 2025-09-09 14:47:04.767+0000[93133.513866] raw_sendmsg+0x89b/0xd30 2025-09-09 14:47:04.767+0000[93133.514084] inet_sendmsg+0x7d/0x80 2025-09-09 14:47:04.768+0000[93133.514341] ? inet_sendmsg+0x7d/0x80 2025-09-09 14:47:04.768+0000[93133.515150] __sys_sendto+0x203/0x230 2025-09-09 14:47:04.769+0000[93133.516051] __do_compat_sys_socketcall+0x28e/0x3b0 2025-09-09 14:47:04.770+0000[93133.516831] ? inet_sendmsg+0x7d/0x80 2025-09-09 14:47:04.771+0000[93133.517655] __ia32_compat_sys_socketcall+0x14/0x20 2025-09-09 14:47:04.771+0000[93133.518372] ia32_sys_call+0x1a5e/0x2dd0 2025-09-09 14:47:04.772+0000[93133.519118] do_int80_emulation+0xa2/0x160 2025-09-09 14:47:04.773+0000[93133.519851] ? __do_compat_sys_socketcall+0x28e/0x3b0 2025-09-09 14:47:04.774+0000[93133.520932] ? syscall_exit_to_user_mode+0x86/0x260 2025-09-09 14:47:04.775+0000[93133.521799] ? do_int80_emulation+0xae/0x160 2025-09-09 14:47:04.775+0000[93133.522485] ? syscall_exit_to_user_mode+0x86/0x260 2025-09-09 14:47:04.776+0000[93133.523195] ? do_int80_emulation+0xae/0x160 2025-09-09 14:47:04.777+0000[93133.523835] ? do_int80_emulation+0xae/0x160 2025-09-09 14:47:04.777+0000[93133.524473] ? do_int80_emulation+0xae/0x160 2025-09-09 14:47:04.778+0000[93133.525439] ? sysvec_apic_timer_interrupt+0x4b/0xd0 2025-09-09 14:47:04.779+0000[93133.526553] asm_int80_emulation+0x1b/0x20 2025-09-09 14:47:04.780+0000[93133.527240] RIP: 0023:0x8052832 2025-09-09 14:47:04.781+0000[93133.527828] Code: 24 04 cd 80 89 d3 83 f8 83 0f 83 99 0f 00 00 c3 56 e8 82 f9 ff ff 89 c6 89 da b8 66 00 00 00 bb 0b 00 00 00 8d 4c 24 08 cd 80 <89> d3 96 e8 26 f9 ff ff 89 f0 5e 83 f8 83 0f 83 6a 0f 00 00 c3 90 2025-09-09 14:47:04.782+0000[93133.529586] RSP: 002b:00000000f1a291e8 EFLAGS: 00000293 ORIG_RAX: 0000000000000066 2025-09-09 14:47:04.783+0000[93133.530584] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f1a291f0 2025-09-09 14:47:04.784+0000[93133.531508] RDX: 00000000789ae6cd RSI: 0000000000000000 RDI: 00000000083d4a28 2025-09-09 14:47:04.785+0000[93133.532441] RBP: 00000000f1a29248 R08: 0000000000000000 R09: 0000000000000000 2025-09-09 14:47:04.786+0000[93133.533258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 2025-09-09 14:47:04.787+0000[93133.534163] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2025-09-09 14:47:04.788+0000[93133.534993] </TASK> 2025-09-09 14:47:04.789+0000[93133.535657] Modules linked in: tls qrtr xt_conntrack xt_tcpudp nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables cfg80211 intel_rapl_msr intel_rapl_common intel_uncore_frequency_common isst_if_common skx_edac_common nfit rapl pvpanic_mmio pvpanic binfmt_misc i2c_piix4 nls_iso8859_1 joydev input_leds mac_hid serio_raw tcp_bbr sch_fq dm_multipath msr efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 nvme nvme_core nvme_auth hid_generic usbhid hid crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 floppy psmouse cirrus pata_acpi aesni_intel crypto_simd cryptd 2025-09-09 14:47:04.793+0000[93133.542911] CR2: 0000000000000000 2025-09-09 14:47:04.797+0000[93133.543746] ---[ end trace 0000000000000000 ]--- 2025-09-09 14:47:04.797+0000[93133.555378] RIP: 0010:__nf_ct_delete_from_lists+0xb8/0x150 [nf_conntrack] 2025-09-09 14:47:04.809+0000[93133.556548] Code: ff 8b 1d c7 71 01 00 44 89 ea 44 89 f7 89 c0 48 0f af d8 48 c1 eb 20 89 de e8 74 fe ff ff 84 c0 75 88 49 8b 47 10 49 8b 57 18 <48> 89 02 a8 01 75 04 48 89 50 08 48 b8 22 01 00 00 00 00 ad de 49 2025-09-09 14:47:04.811+0000[93133.558626] RSP: 0000:ffffb22544d47658 EFLAGS: 00010246 2025-09-09 14:47:04.812+0000[93133.559566] RAX: 0000000000001b29 RBX: 0000000000000541 RCX: 0000000000000000 2025-09-09 14:47:04.813+0000[93133.560580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 2025-09-09 14:47:04.814+0000[93133.561609] RBP: ffffb22544d47698 R08: 0000000000000000 R09: 0000000000000000 2025-09-09 14:47:04.816+0000[93133.562647] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000d94 2025-09-09 14:47:04.817+0000[93133.563824] R13: 0000000000000000 R14: 0000000000000d94 R15: ffff916bc80ebb00 2025-09-09 14:47:04.818+0000[93133.564733] FS: 0000000000000000(0000) GS:ffff916bdcc00000(0063) knlGS:00000000f1a29b90 2025-09-09 14:47:04.819+0000[93133.566354] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 2025-09-09 14:47:04.820+0000[93133.567449] CR2: 0000000000000000 CR3: 000000000a9cc002 CR4: 00000000003706f0 2025-09-09 14:47:04.821+0000[93133.568469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 2025-09-09 14:47:04.822+0000[93133.569502] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 2025-09-09 14:47:04.823+0000[93133.570551] Kernel panic - not syncing: Fatal exception in interrupt
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2116774 Title: Kernel panic caused by null pointer dereference in nf_conntrack To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2116774/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
