Date: Fri, 14 Dec 2018 14:25:05 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: FreeBSD Current <freebsd-current@FreeBSD.org> Subject: vnet_alloc: panic: Memory modified after free 0xfffffe002efc8ed0(8) val=deadc0df Message-ID: <91415509-b225-510c-89c2-459e0bc5b86d@FreeBSD.org>
next in thread | raw e-mail | index | archive | help
I wonder if people are aware of this issue and if anyone is looking into it. I got notified about it by Jenkins after an unrelated commit (ichwd). panic: Memory modified after free 0xfffffe002efc8ed0(8) val=deadc0df @ 0xfffffe002efc8ed0 11:51:33 cpuid = 0 11:51:33 time = 1544788293 11:51:33 KDB: stack backtrace: 11:51:33 db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe002634d4e0 11:51:33 vpanic() at vpanic+0x1b4/frame 0xfffffe002634d540 11:51:33 panic() at panic+0x43/frame 0xfffffe002634d5a0 11:51:33 trash_ctor() at trash_ctor+0x4c/frame 0xfffffe002634d5b0 11:51:33 uma_zalloc_arg() at uma_zalloc_arg+0x886/frame 0xfffffe002634d630 11:51:33 uma_zalloc_pcpu_arg() at uma_zalloc_pcpu_arg+0x23/frame 0xfffffe002634d660 11:51:33 vnet_icmpstat_init() at vnet_icmpstat_init+0x1a/frame 0xfffffe002634d680 11:51:33 vnet_alloc() at vnet_alloc+0x144/frame 0xfffffe002634d6b0 11:51:33 kern_jail_set() at kern_jail_set+0x1b32/frame 0xfffffe002634d940 11:51:33 sys_jail_set() at sys_jail_set+0x40/frame 0xfffffe002634d970 11:51:33 amd64_syscall() at amd64_syscall+0x272/frame 0xfffffe002634dab0 11:51:33 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002634dab0 11:51:33 --- syscall (507, FreeBSD ELF64, sys_jail_set), rip = 0x80031da7a, rsp = 0x7fffffffe618, rbp = 0x7fffffffe700 --- 11:51:33 KDB: enter: panic 11:51:33 [ thread pid 65285 tid 100146 ] 11:51:33 Stopped at kdb_enter+0x3b: movq $0,kdb_why 11:51:33 db:0:kdb.enter.panic> show pcpu 11:51:33 cpuid = 0 11:51:33 dynamic pcpu = 0xb7fb00 11:51:33 curthread = 0xfffff800059e5000: pid 65285 tid 100146 "jail" 11:51:33 curpcb = 0xfffffe002634db80 11:51:33 fpcurthread = 0xfffff800059e5000: pid 65285 "jail" 11:51:33 idlethread = 0xfffff8000327a000: tid 100003 "idle: cpu0" 11:51:33 curpmap = 0xfffff80005b04130 11:51:33 tssp = 0xffffffff821cafa0 11:51:33 commontssp = 0xffffffff821cafa0 11:51:33 rsp0 = 0xfffffe002634db80 11:51:33 gs32p = 0xffffffff821d1bd8 11:51:33 ldt = 0xffffffff821d1c18 11:51:33 tss = 0xffffffff821d1c08 11:51:33 curvnet = 0xfffff80003242b80 -- Andriy Gapon
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?91415509-b225-510c-89c2-459e0bc5b86d>