I spoke too soon... it's happening on 6.1.0-12-686 as well: # apt-get update Get:1 http://security.debian.org/debian-security bookworm-security/updates InRelease [48.0 kB] 0% [Waiting for headers] [1 InRelease 0 B/48.0 kB 0%] Message from syslogd@mini1 at Sep 12 11:07:33 ... kernel:[123507.826321] usercopy: Kernel memory exposure attempt detected from kmap (offset 0, size 16384)! Hit:2 http://ftp.us.debian.org/debian bookworm InRelease Get:3 http://ftp.us.debian.org/debian bookworm-updates InRelease [52.1 kB] 0% [3 InRelease 0 B/52.1 kB 0%] [1 InRelease 0 B/48.0 kB 0%] Message from syslogd@mini1 at Sep 12 11:07:33 ... kernel:[123508.220983] usercopy: Kernel memory exposure attempt detected from kmap (offset 0, size 16384)!
[123452.464498] ------------[ cut here ]------------ [123452.464530] kernel BUG at mm/usercopy.c:101! [123452.464566] invalid opcode: 0000 [#1] PREEMPT SMP [123452.464606] CPU: 1 PID: 7495 Comm: http Not tainted 6.1.0-12-686 #1 Debian 6.1.52-1 [123452.464653] Hardware name: Apple Computer, Inc. Macmini1,1/Mac-F4208EC8, BIOS MM11.88Z.0055.B08.0610121326 10/12/06 [123452.464729] EIP: usercopy_abort+0x65/0x67 [123452.464772] Code: 44 cb bb d8 d9 b1 cc 89 4d f0 b9 12 55 b0 cc 0f 45 cb ff 75 0c ff 75 08 57 52 56 50 ff 75 f0 51 68 78 d9 b1 cc e8 8a 8e ff ff <0f> 0b 56 31 d2 b8 22 da b1 cc ff 75 ec 8b 4d f0 e8 86 ff ff ff 56 [123452.464886] EAX: 00000052 EBX: ccb1d9d8 ECX: 00000001 EDX: 00000001 [123452.464930] ESI: ccb3449c EDI: ccb3449c EBP: c349fce0 ESP: c349fcac [123452.464974] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246 [123452.465024] CR0: 80050033 CR2: 01be6000 CR3: 0e3d2000 CR4: 000006d0 [123452.465068] Call Trace: [123452.465093] ? __die_body.cold+0x14/0x1a [123452.465126] ? __die+0x21/0x26 [123452.465152] ? die+0x28/0x50 [123452.465179] ? do_trap+0xbb/0xe0 [123452.465206] ? do_error_trap+0x4c/0x60 [123452.465235] ? usercopy_abort+0x65/0x67 [123452.465271] ? exc_overflow+0x40/0x40 [123452.465303] ? exc_invalid_op+0x44/0x60 [123452.465338] ? usercopy_abort+0x65/0x67 [123452.465372] ? handle_exception+0x133/0x133 [123452.465409] ? up_read+0x7b/0x80 [123452.465436] ? exc_overflow+0x40/0x40 [123452.465467] ? usercopy_abort+0x65/0x67 [123452.465501] ? exc_overflow+0x40/0x40 [123452.465532] ? usercopy_abort+0x65/0x67 [123452.465565] __check_object_size.cold+0xae/0xae [123452.465605] ? kmap_high+0x6f/0x1f0 [123452.465639] simple_copy_to_iter+0x1c/0x40 [123452.465670] __skb_datagram_iter+0x163/0x320 [123452.465703] skb_copy_datagram_iter+0x2d/0x80 [123452.465738] ? skb_free_datagram+0x20/0x20 [123452.465768] tcp_recvmsg_locked+0x30e/0x890 [123452.465806] tcp_recvmsg+0x6f/0x1e0 [123452.465839] ? tcp_recv_timestamp+0x240/0x240 [123452.465876] inet_recvmsg+0x54/0x130 [123452.465906] ? security_socket_recvmsg+0x41/0x60 [123452.465942] sock_recvmsg+0x73/0x90 [123452.465978] ? ipip_gso_segment+0x30/0x30 [123452.466015] sock_read_iter+0x84/0xe0 [123452.466050] vfs_read+0x288/0x2c0 [123452.466083] ksys_read+0xab/0xe0 [123452.466110] __ia32_sys_read+0x15/0x20 [123452.466138] __do_fast_syscall_32+0x68/0xb0 [123452.466171] ? syscall_exit_to_user_mode+0x29/0x40 [123452.466205] ? __do_fast_syscall_32+0x72/0xb0 [123452.466237] ? exit_to_user_mode_prepare+0x14d/0x1a0 [123452.466273] ? sysvec_reboot+0x30/0x30 [123452.466302] do_fast_syscall_32+0x29/0x60 [123452.466334] do_SYSENTER_32+0x15/0x20 [123452.466369] entry_SYSENTER_32+0x98/0xf1 [123452.466399] EIP: 0xb7f3d559 [123452.466425] Code: 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 [123452.466530] EAX: ffffffda EBX: 00000003 ECX: 01be5df0 EDX: 00010000 [123452.466573] ESI: b778eff4 EDI: 00000000 EBP: 01be4bb0 ESP: bf8d9b50 [123452.466617] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246 [123452.466670] Modules linked in: tls tun ath5k i915 ath snd_hda_codec_idt mac80211 snd_hda_codec_generic drm_buddy ledtrig_audio drm_display_helper libarc4 snd_hda_intel cec snd_intel_dspcfg kvm_intel snd_intel_sdw_acpi rc_core cfg80211 snd_hda_codec ttm kvm iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_hda_core watchdog applesmc snd_hwdep drm_kms_helper at24 snd_pcm xt_tcpudp irqbypass i2c_algo_bit snd_timer pcspkr xt_conntrack rng_core snd fb_sys_fops rfkill nf_conntrack syscopyarea soundcore sysfillrect sysimgblt nf_defrag_ipv6 tpm_infineon nf_defrag_ipv4 button acpi_cpufreq nft_compat apple_mfi_fastcharge evdev nf_tables sg nfnetlink binfmt_misc drm loop fuse efi_pstore dm_mod configfs ip_tables x_tables autofs4 xfs libcrc32c crc32c_generic hid_apple hid_appleir hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 sr_mod crc_t10dif cdrom crct10dif_generic crct10dif_common ata_generic ata_piix ahci libahci libata firewire_ohci scsi_mod firewire_core ehci_pci i2c_i801 i2c_smbus [123452.466844] scsi_common lpc_ich uhci_hcd ehci_hcd crc_itu_t sky2 usbcore usb_common video wmi [123452.467367] ---[ end trace 0000000000000000 ]--- [123452.467409] EIP: usercopy_abort+0x65/0x67 [123452.467449] Code: 44 cb bb d8 d9 b1 cc 89 4d f0 b9 12 55 b0 cc 0f 45 cb ff 75 0c ff 75 08 57 52 56 50 ff 75 f0 51 68 78 d9 b1 cc e8 8a 8e ff ff <0f> 0b 56 31 d2 b8 22 da b1 cc ff 75 ec 8b 4d f0 e8 86 ff ff ff 56 [123452.467578] EAX: 00000052 EBX: ccb1d9d8 ECX: 00000001 EDX: 00000001 [123452.467621] ESI: ccb3449c EDI: ccb3449c EBP: c349fce0 ESP: c349fcac [123452.470914] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246 [123452.474151] CR0: 80050033 CR2: 01be6000 CR3: 0e3d2000 CR4: 000006d0 [123452.491067] usercopy: Kernel memory exposure attempt detected from kmap (offset 0, size 16384)! [123452.494366] ------------[ cut here ]------------ [123452.497541] kernel BUG at mm/usercopy.c:101! [123452.500755] invalid opcode: 0000 [#2] PREEMPT SMP [123452.503769] CPU: 0 PID: 7496 Comm: http Tainted: G D 6.1.0-12-686 #1 Debian 6.1.52-1 [123452.506882] Hardware name: Apple Computer, Inc. Macmini1,1/Mac-F4208EC8, BIOS MM11.88Z.0055.B08.0610121326 10/12/06 [123452.510050] EIP: usercopy_abort+0x65/0x67 [123452.513156] Code: 44 cb bb d8 d9 b1 cc 89 4d f0 b9 12 55 b0 cc 0f 45 cb ff 75 0c ff 75 08 57 52 56 50 ff 75 f0 51 68 78 d9 b1 cc e8 8a 8e ff ff <0f> 0b 56 31 d2 b8 22 da b1 cc ff 75 ec 8b 4d f0 e8 86 ff ff ff 56 [123452.516483] EAX: 00000053 EBX: ccb1d9d8 ECX: 00000001 EDX: 00000001 [123452.519769] ESI: ccb3449c EDI: ccb3449c EBP: f5dabc98 ESP: f5dabc64 [123452.523115] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246 [123452.526353] CR0: 80050033 CR2: 01939768 CR3: 12618000 CR4: 000006d0 [123452.529363] Call Trace: [123452.532450] ? __die_body.cold+0x14/0x1a [123452.535541] ? __die+0x21/0x26 [123452.538526] ? die+0x28/0x50 [123452.541594] ? do_trap+0xbb/0xe0 [123452.544641] ? do_error_trap+0x4c/0x60 [123452.547592] ? usercopy_abort+0x65/0x67 [123452.550655] ? exc_overflow+0x40/0x40 [123452.553725] ? exc_invalid_op+0x44/0x60 [123452.556737] ? usercopy_abort+0x65/0x67 [123452.559776] ? handle_exception+0x133/0x133 [123452.562907] ? up_read+0x7b/0x80 [123452.565945] ? exc_overflow+0x40/0x40 [123452.569024] ? usercopy_abort+0x65/0x67 [123452.572062] ? exc_overflow+0x40/0x40 [123452.575100] ? usercopy_abort+0x65/0x67 [123452.578205] __check_object_size.cold+0xae/0xae [123452.581307] ? kmap_high+0x6f/0x1f0 [123452.584350] simple_copy_to_iter+0x1c/0x40 [123452.587542] __skb_datagram_iter+0x163/0x320 [123452.590684] skb_copy_datagram_iter+0x2d/0x80 [123452.593774] ? skb_free_datagram+0x20/0x20 [123452.596873] tcp_recvmsg_locked+0x30e/0x890 [123452.599950] tcp_recvmsg+0x6f/0x1e0 [123452.602970] ? tcp_recv_timestamp+0x240/0x240 [123452.606107] inet_recvmsg+0x54/0x130 [123452.609225] ? security_socket_recvmsg+0x41/0x60 [123452.612271] sock_recvmsg+0x73/0x90 [123452.615302] ? ipip_gso_segment+0x30/0x30 [123452.618338] sock_read_iter+0x84/0xe0 [123452.621643] vfs_read+0x288/0x2c0 [123452.624773] ksys_read+0xab/0xe0 [123452.627793] __ia32_sys_read+0x15/0x20 [123452.630837] __do_fast_syscall_32+0x68/0xb0 [123452.633878] ? syscall_exit_to_user_mode+0x29/0x40 [123452.636891] ? __ia32_sys_read+0x15/0x20 [123452.639939] ? __do_fast_syscall_32+0x72/0xb0 [123452.643011] ? debug_smp_processor_id+0x12/0x20 [123452.646044] ? fpregs_assert_state_consistent+0x25/0x50 [123452.649102] ? exit_to_user_mode_prepare+0x41/0x1a0 [123452.652181] ? irqentry_exit_to_user_mode+0x16/0x20 [123452.655344] do_fast_syscall_32+0x29/0x60 [123452.658420] do_SYSENTER_32+0x15/0x20 [123452.661510] entry_SYSENTER_32+0x98/0xf1 [123452.664587] EIP: 0xb7fc8559 [123452.667686] Code: 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 [123452.670822] EAX: ffffffda EBX: 00000003 ECX: 01abe328 EDX: 0000fe88 [123452.673910] ESI: b7819ff4 EDI: 00000000 EBP: 01abd3c0 ESP: bfee4b00 [123452.677014] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246 [123452.680110] Modules linked in: tls tun ath5k i915 ath snd_hda_codec_idt mac80211 snd_hda_codec_generic drm_buddy ledtrig_audio drm_display_helper libarc4 snd_hda_intel cec snd_intel_dspcfg kvm_intel snd_intel_sdw_acpi rc_core cfg80211 snd_hda_codec ttm kvm iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_hda_core watchdog applesmc snd_hwdep drm_kms_helper at24 snd_pcm xt_tcpudp irqbypass i2c_algo_bit snd_timer pcspkr xt_conntrack rng_core snd fb_sys_fops rfkill nf_conntrack syscopyarea soundcore sysfillrect sysimgblt nf_defrag_ipv6 tpm_infineon nf_defrag_ipv4 button acpi_cpufreq nft_compat apple_mfi_fastcharge evdev nf_tables sg nfnetlink binfmt_misc drm loop fuse efi_pstore dm_mod configfs ip_tables x_tables autofs4 xfs libcrc32c crc32c_generic hid_apple hid_appleir hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 sr_mod crc_t10dif cdrom crct10dif_generic crct10dif_common ata_generic ata_piix ahci libahci libata firewire_ohci scsi_mod firewire_core ehci_pci i2c_i801 i2c_smbus [123452.680271] scsi_common lpc_ich uhci_hcd ehci_hcd crc_itu_t sky2 usbcore usb_common video wmi [123452.699090] ---[ end trace 0000000000000000 ]--- [123452.702138] EIP: usercopy_abort+0x65/0x67 [123452.705202] Code: 44 cb bb d8 d9 b1 cc 89 4d f0 b9 12 55 b0 cc 0f 45 cb ff 75 0c ff 75 08 57 52 56 50 ff 75 f0 51 68 78 d9 b1 cc e8 8a 8e ff ff <0f> 0b 56 31 d2 b8 22 da b1 cc ff 75 ec 8b 4d f0 e8 86 ff ff ff 56 [123452.708239] EAX: 00000052 EBX: ccb1d9d8 ECX: 00000001 EDX: 00000001 [123452.711218] ESI: ccb3449c EDI: ccb3449c EBP: c349fce0 ESP: c349fcac [123452.714203] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246 [123452.717188] CR0: 80050033 CR2: 01939768 CR3: 12618000 CR4: 000006d0 On Mon, Sep 11, 2023 at 3:46 AM Salvatore Bonaccorso <car...@debian.org> wrote: > Control: tags -1 + moreinfo > > Hi, > > On Mon, Sep 11, 2023 at 12:51:48AM -0400, Jiann-Ming Su wrote: > > This may have been fixed in linux-image-6.1.0-12-686. > > Is this a confirmation that the problem is solved after the update? > In that case we can accordingly close the bug. > > Regards, > Salvatore > -- Jiann-Ming Su
