Bug#1019204: ss command freeze and the process cannot be killed
Package: iproute2
Version: 5.19.0-1
It appeared since kernel 5.19.6 worked fine with 5.18.16 on Debian unstable.
This is what dmesg reports:
[ 547.278515] BUG: unable to handle page fault for address: ffffffffffffffc8
[ 547.278527] #PF: supervisor read access in kernel mode
[ 547.278532] #PF: error_code(0x0000) - not-present page
[ 547.278537] PGD 292814067 P4D 292814067 PUD 292816067 PMD 0
[ 547.278548] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 547.278556] CPU: 2 PID: 3428 Comm: ss Tainted: P OE 5.19.0-1-amd64 #1 Debian 5.19.6-1
[ 547.278564] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./990FX Extreme9, BIOS P1.80 03/29/2016
[ 547.278570] RIP: 0010:raw_diag_dump+0xea/0x1d0 [raw_diag]
[ 547.278581] Code: c3 89 44 24 24 4c 89 e8 41 89 ed 49 89 c7 48 8b 04 24 48 8b 58 08 89 dd 83 e5 01 74 0d e9 d5 00 00 00 48 8b 1b f6 c3 01 75 7f <4c> 3b 63 c8 75 f2 44 39 ed 7c 69 41 0f b6 07 66 39 43 a8 75 5f 41
[ 547.278587] RSP: 0018:ffffa028c34df9e8 EFLAGS: 00010246
[ 547.278594] RAX: ffffffffad249960 RBX: 0000000000000000 RCX: 000000000000000c
[ 547.278599] RDX: 0000000000000000 RSI: ffffffffad249960 RDI: 0000000000000000
[ 547.278604] RBP: 0000000000000000 R08: 00000000ffffffff R09: 00000000002a822e
[ 547.278608] R10: ffff90a420c30000 R11: 0000000000000000 R12: ffffffffad240a40
[ 547.278613] R13: 0000000000000000 R14: 0000000000000000 R15: ffff90a3a793d810
[ 547.278618] FS: 00007f4c27db5c80(0000) GS:ffff90a68ec80000(0000) knlGS:0000000000000000
[ 547.278624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 547.278629] CR2: ffffffffffffffc8 CR3: 000000012ee2a000 CR4: 00000000000406e0
[ 547.278634] Call Trace:
[ 547.278639] <TASK>
[ 547.278647] __inet_diag_dump+0x3c/0xb0 [inet_diag]
[ 547.278659] netlink_dump+0x18b/0x310
[ 547.278673] __netlink_dump_start+0x1b0/0x2e0
[ 547.278684] inet_diag_handler_cmd+0xb1/0xe0 [inet_diag]
[ 547.278694] ? inet_diag_dump_start_compat+0x10/0x10 [inet_diag]
[ 547.278702] ? inet_diag_dump_compat+0xb0/0xb0 [inet_diag]
[ 547.278711] ? inet_diag_unregister+0x40/0x40 [inet_diag]
[ 547.278720] sock_diag_rcv_msg+0x11d/0x140
[ 547.278729] ? sock_diag_bind+0x50/0x50
[ 547.278735] netlink_rcv_skb+0x51/0x100
[ 547.278743] sock_diag_rcv+0x24/0x40
[ 547.278750] netlink_unicast+0x23e/0x360
[ 547.278760] netlink_sendmsg+0x24e/0x4b0
[ 547.278771] sock_sendmsg+0x62/0x70
[ 547.278780] ____sys_sendmsg+0x230/0x270
[ 547.278787] ? import_iovec+0x2d/0x40
[ 547.278796] ? sendmsg_copy_msghdr+0x7d/0xa0
[ 547.278804] ? __check_object_size+0x4a/0x250
[ 547.278813] ? _copy_from_user+0x3a/0x60
[ 547.278820] ___sys_sendmsg+0x81/0xc0
[ 547.278829] ? ___sys_recvmsg+0x99/0x110
[ 547.278839] ? __check_object_size+0x4a/0x250
[ 547.278848] ? _copy_to_user+0x21/0x30
[ 547.278854] ? move_addr_to_user+0x4b/0xe0
[ 547.278862] __sys_sendmsg+0x59/0xa0
[ 547.278873] do_syscall_64+0x3b/0xc0
[ 547.278882] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 547.278890] RIP: 0033:0x7f4c27b0b443
[ 547.278897] Code: 64 89 02 48 c7 c0 ff ff ff ff eb b9 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 89 54 24 1c 48
[ 547.278903] RSP: 002b:00007fff97ae8418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 547.278910] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4c27b0b443
[ 547.278915] RDX: 0000000000000000 RSI: 00007fff97ae8500 RDI: 0000000000000003
[ 547.278919] RBP: 00000000000000ff R08: 0000000000000003 R09: 0000000000000078
[ 547.278923] R10: 000000000000009b R11: 0000000000000246 R12: 0000000000000003
[ 547.278927] R13: 00007fff97ae8480 R14: 0000000003010014 R15: 00007fff97ae8570
[ 547.278935] </TASK>
[ 547.278939] Modules linked in: raw_diag inet_diag unix_diag nvidia_drm(POE) drm_kms_helper nvidia_modeset(POE) snd_hda_codec_realtek edac_mce_amd snd_hda_codec_hdmi snd_hda_codec_generic ledtrig_audio kvm_amd ccp rng_core kvm irqbypass ghash_clmulni_intel aesni_intel crypto_simd cryptd mxm_wmi snd_hda_intel fam15h_power k10temp snd_intel_dspcfg snd_intel_sdw_acpi joydev snd_hda_codec evdev snd_hda_core snd_hwdep snd_pcm sp5100_tco snd_timer watchdog snd soundcore button acpi_cpufreq sg nvidia(POE) nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables libcrc32c hwmon_vid nfnetlink drm fuse configfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 sr_mod crc_t10dif cdrom crct10dif_generic ata_generic xhci_pci ohci_pci e1000e firewire_ohci ahci ohci_hcd libahci ehci_pci xhci_hcd pata_atiixp ptp crct10dif_pclmul ehci_hcd firewire_core pps_core crct10dif_common crc_itu_t libata
[ 547.279088] crc32_pclmul crc32c_intel i2c_piix4 usbcore scsi_mod usb_common scsi_common wmi
[ 547.279109] CR2: ffffffffffffffc8
[ 547.279114] ---[ end trace 0000000000000000 ]---
[ 547.279118] RIP: 0010:raw_diag_dump+0xea/0x1d0 [raw_diag]
[ 547.279127] Code: c3 89 44 24 24 4c 89 e8 41 89 ed 49 89 c7 48 8b 04 24 48 8b 58 08 89 dd 83 e5 01 74 0d e9 d5 00 00 00 48 8b 1b f6 c3 01 75 7f <4c> 3b 63 c8 75 f2 44 39 ed 7c 69 41 0f b6 07 66 39 43 a8 75 5f 41
[ 547.279132] RSP: 0018:ffffa028c34df9e8 EFLAGS: 00010246
[ 547.279138] RAX: ffffffffad249960 RBX: 0000000000000000 RCX: 000000000000000c
[ 547.279143] RDX: 0000000000000000 RSI: ffffffffad249960 RDI: 0000000000000000
[ 547.279147] RBP: 0000000000000000 R08: 00000000ffffffff R09: 00000000002a822e
[ 547.279152] R10: ffff90a420c30000 R11: 0000000000000000 R12: ffffffffad240a40
[ 547.279156] R13: 0000000000000000 R14: 0000000000000000 R15: ffff90a3a793d810
[ 547.279161] FS: 00007f4c27db5c80(0000) GS:ffff90a68ec80000(0000) knlGS:0000000000000000
[ 547.279167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 547.279171] CR2: ffffffffffffffc8 CR3: 000000012ee2a000 CR4: 00000000000406e0
[ 547.279176] note: ss[3428] exited with preempt_count 1
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