Julien Cristau <jcris...@debian.org> 于2019年5月22日周三 下午9:12写道: > > Source: linux > Version: 4.19.37-3 > Severity: important > X-Debbugs-Cc: debian-ad...@lists.debian.org, debian-m...@lists.debian.org, > syst...@packages.debian.org > User: debian-ad...@lists.debian.org > Usertags: needed-by-DSA-Team >
CC kernel guy. > Hi, > > from mips-sil-01.debian.org's syslog: > > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 > dbus-daemon[542]: [system] Activating via systemd: service > name='org.freedesktop.timedate1' > unit='dbus-org.freedesktop.timedate1.service' requested by ':1.12565' > (uid=115 pid=561 comm="timedatectl show ") > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 systemd[1]: > Starting Time & Date Service... > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > usercopy: Kernel memory overwrite attempt detected to SLUB object > 'buffer_head' (offset 8, size 88)! > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Kernel > bug detected[#1]: > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: CPU: 0 > PID: 563 Comm: (imedated) Not tainted 4.19.0-5-octeon #1 Debian 4.19.37-3 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 0 : > 0000000000000000 ffffffff82a78f48 0000000000000064 417135fb8ce5871c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 4 : > 417135fb8ce5871c 800000002406b678 8000000024074080 ffffffff835b0000 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 8 : > 0000000000000100 800000020e9a4018 286f666673657420 ffffffff835b0000 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $12 : > 0000000000000000 0000000005f5e100 ffffffff835b0000 ffffffff83590b58 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $16 : > c000000002400038 0000000000000058 0000000000000000 c000000002400090 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $20 : > ffffffff82a2f630 c000000002400000 0000000055d29698 c000000002400038 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $24 : > ffffffffffffffff ffffffff82dcc9a0 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $28 : > 80000001f9094000 80000001f9097d30 0000000000000000 ffffffff82b71874 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Hi : > 00000000003e7cf8 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Lo : > 72b020c49bf017bb > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: epc : > ffffffff82b71874 usercopy_abort+0x94/0xa0 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: ra : > ffffffff82b71874 usercopy_abort+0x94/0xa0 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Status: > 10109ce3 KX SX UX KERNEL EXL IE > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Cause : > 00800024 (ExcCode 09) > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: PrId : > 000d9602 (Cavium Octeon III) > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Modules > linked in: mmc_block binfmt_misc ip6t_REJECT nf_reject_ipv6 nf_conntrack_ftp > xt_CT nfnetlink_log nft_counter xt_hashlimit ipt_REJECT nf_reject_ipv4 > xt_NFLOG xt_multiport xt_tcpudp xt_state xt_conntrack nf_conntrack > nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c nft_compat nf_tables nfnetlink sg > octeon_mmc mmc_core 8250_of leds_gpio i2c_dev octeon_rng rng_core ip_tables > x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic fscrypto ecb dm_mod > ahci_platform libahci_platform libahci ahci_octeon > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Process > (imedated) (pid: 563, threadinfo=0000000053386908, task=000000008966de24, > tls=00000000771b84a0) > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Stack : > 0000000000000058 00000000006080c0 0000000000000000 ffffffff82b50d60 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000077d57098 ffffffff82b716c4 80000000240bfb00 80000001f9097df8 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000000000058 0000000000000001 8000000187ea86d0 ffffffff82f1f7e4 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000000000000 ffffffff832b0000 8000000187ea86c0 0000000077d5a7c8 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000000000000 0000000077d30000 0000000077d57098 0000000000000000 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 000000007f99ca14 ffffffff82a30784 000000000ef08000 417135fb8ce5871c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 000b000055d29698 000b000055de72f0 0000000055d29698 417135fb8ce5871c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000055dea4c0 0000000055de72f0 0000000077d5a7c8 0000000077d5a73c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000077d30000 0000000077d57098 0000000000000000 ffffffff82943b0c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > 0000000000000000 0000000000000001 0000000000000fa0 0000000000000001 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > ... > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Call > Trace: > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82b71874>] usercopy_abort+0x94/0xa0 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82b50d60>] __check_heap_object+0x170/0x188 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82b716c4>] __check_object_size+0x11c/0x238 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82f1f7e4>] bpf_prog_create_from_user+0x94/0x1d8 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82a30784>] do_seccomp+0x2a4/0x7a0 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > [<ffffffff82943b0c>] syscall_common+0x18/0x3c > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Code: > 00404025 0ca715c4 6484a3c0 <000c000d> 00000000 00000000 67bdfff0 > ffbf0008 ffb00000 > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: ---[ end > trace aad06c7e2b036639 ]--- > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 systemd[1]: > systemd-timedated.service: Main process exited, code=killed, status=11/SEGV > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 systemd[1]: > systemd-timedated.service: Failed with result 'signal'. > May 22 11:57:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 systemd[1]: > Failed to start Time & Date Service. > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 > dbus-daemon[542]: [system] Activating via systemd: service > name='org.freedesktop.timedate1' > unit='dbus-org.freedesktop.timedate1.service' requested by ':1.12566' > (uid=115 pid=1749 comm="timedatectl show ") > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: > usercopy: Kernel memory overwrite attempt detected to SLUB object > 'buffer_head' (offset 8, size 296)! > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Kernel > bug detected[#2]: > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: CPU: 3 > PID: 1 Comm: systemd Tainted: G D 4.19.0-5-octeon #1 Debian > 4.19.37-3 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 0 : > 0000000000000000 ffffffff82a78f48 0000000000000065 417135fb8ce5871c > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 4 : > 417135fb8ce5871c 80000000240b3678 80000000240bc080 ffffffff835b0000 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $ 8 : > 0000000000000129 800000020e9a4018 286f666673657420 ffffffff835b0000 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $12 : > 0000000000000000 0000000005f5e100 ffffffff835b0000 ffffffff83590b58 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $16 : > c000000002402038 0000000000000128 0000000000000000 c000000002402160 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $20 : > 0000000000000128 0000000055df5a50 c000000002402038 0000000055661000 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $24 : > ffffffffffffffff ffffffff82dcc9a0 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: $28 : > 800000020fdb8000 800000020fdbbc30 0000000000000000 ffffffff82b71874 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Hi : > 0000000000ef31cb > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Lo : > 645a1cac094d320b > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: epc : > ffffffff82b71874 usercopy_abort+0x94/0xa0 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: ra : > ffffffff82b71874 usercopy_abort+0x94/0xa0 > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Status: > 10109ce3 KX SX UX KERNEL EXL IE > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: Cause : > 00800024 (ExcCode 09) > May 22 11:59:53 mips-sil-01/mips-sil-01/::ffff:86.59.118.146 kernel: PrId : > 000d9602 (Cavium Octeon III) > > After that the machine seems to have rebooted. > > Cheers, > Julien > -- YunQiang Su