On 05/24/2017 11:29 AM, Abdul Haleem wrote: > Hi > > commit cf22cd5f3a: dm crypt: add cryptographic data integrity protection > suspected to be bad. Isn't this false positive? That commit changes only dm-crypt and that module seems not to be even loaded... (Moreover config has disabled block integrity so this code should be mostly compiled out.) Milan > > Test : trinity > Machine : Power 8 (LPAR) > kernel : 4.12.0-rc2-next-20170523 > Config : attached > > Unable to handle kernel paging request for data at address 0x00000000 > Faulting instruction address: 0xc0000000015d8824 > Oops: Kernel access of bad area, sig: 11 [#1] > SMP NR_CPUS=2048 > NUMA > pSeries > Dumping ftrace buffer: > (ftrace buffer empty) > Modules linked in: bridge nfnetlink rpadlpar_io stp llc rpaphp xt_tcpudp > ipt_REJECT nf_reject_ipv4 xt_conntrack iptable_nat nf_conntrack_ipv4 > nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle > iptable_filter vmx_crypto pseries_rng rng_core binfmt_misc nfsd > ip_tables x_tables autofs4 [last unloaded: bridge] > CPU: 4 PID: 2474 Comm: trinity-c4 Not tainted 4.12.0-rc2-next-20170523-autotest #1 > task: c0000003a6ae2500 task.stack: c0000002bf7ec000 > NIP: c0000000015d8824 LR: c000000001ef855c CTR: 0000000000000000 > REGS: c0000002bf7efb00 TRAP: 0300 Not tainted (4.12.0-rc2-next-20170523-autotest) > MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> > CR: 44002841 XER: 20000000 > CFAR: c0000000015d8810 DAR: 0000000000000000 DSISR: 42000000 SOFTE: 1 > GPR00: 0000000000000001 c0000002bf7efd80 c0000000033d3600 0000000000000000 > GPR04: 0000000000000000 0000000000000000 0000000000000000 c000000003743600 > GPR08: c000000003743600 000000000006d123 c000000003773600 0000000000001000 > GPR12: 0000000000002200 c00000000e9c1600 0000000000000000 0000000010035e80 > GPR16: 0000000010033950 0000000000000000 0000000010033a50 0000000000000000 > GPR20: 0000000010985cc4 0000000000007d9d 000000001001bae0 00000000000185f8 > GPR24: 0000000000000000 0000000000000000 fffffffffffffffa ffffffffffffffea > GPR28: 0000000000000008 c0000003a8c48850 ffffffffffffffea 0000000000000000 > NIP [c0000000015d8824] memset+0xc4/0xfc > LR [c000000001ef855c] memzero_explicit+0x3c/0x70 > Call Trace: > [c0000002bf7efd80] [0000000000000008] 0x8 (unreliable) > [c0000002bf7efdb0] [c000000001e3fb30] SyS_add_key+0x1a0/0x410 > [c0000002bf7efe30] [c00000000152b7e0] system_call+0x38/0xfc > Instruction dump: > 41820038 409d0018 f8860000 f8860008 f8860010 f8860018 38c60020 409e0010 > f8860000 f8860008 38c60010 409f000c <f8860000> 38c60008 2c050000 > 7cb01120 > ---[ end trace c454dcc1309b8479 ]--- > > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel