On 26.12.2017 07:43, Harsh Jain wrote: > Hi All, > > If I try to run ping of size say 6000 in IPSec transport mode, m_unshare() > panic with following trace. It seems that while re-assembly of IP packet > "ip_reass" missed re-setting of "M_PKTHDR". After applying below patch > things work fine. Can some one suggest Is it a BUG or I am missing somethings. > > panic: m_unshare: m0 0xfffff80020f82600, m 0xfffff8005d054100 has M_PKTHDR > cpuid = 15 > time = 1495578455 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2c/frame 0xfffffe044e9bb890 > kdb_backtrace() at kdb_backtrace+0x53/frame 0xfffffe044e9bb960 > vpanic() at vpanic+0x269/frame 0xfffffe044e9bba30 > kassert_panic() at kassert_panic+0xc7/frame 0xfffffe044e9bbac0 > m_unshare() at m_unshare+0x578/frame 0xfffffe044e9bbbc0 > esp_output() at esp_output+0x44c/frame 0xfffffe044e9bbe40 > ipsec4_perform_request() at ipsec4_perform_request+0x5df/frame > 0xfffffe044e9bbff0
Hi, it seems unusual that IP reassembly happens on outbound path. Do you have some packet normalization using firewall? -- WBR, Andrey V. Elsukov
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