Panic: Memory modified after free

From: Peter Holm (peter_at_holm.cc)
Date: 01/30/05

  • Next message: David G. Lawrence: "Re: do_execve() finding vmspace_destroyed set under load" 
    Date: Sun, 30 Jan 2005 10:46:16 +0100
To: current@freebsd.org

    With GENERIC HEAD from Jan 28 20:19 UTC + mpsafe_vfs = 1 I got:

    Memory modified after free 0xc1d7c100(124) val=c23fa000 @ 0xc1d7c164

    panic(c083d005,c083b16e,c083cfd6,c1d7c100,7c) at panic+0xef
    mtrash_ctor(c1d7c100,80,0,402) at mtrash_ctor+0x4d
    uma_zalloc_arg(c10526e0,0,402) at uma_zalloc_arg+0x14c
    malloc(68,c08bcd60,402,c094f0c0,0) at malloc+0xae
    inodedep_lookup(c167a000,193a1,1,cf261be0,c094f0c0) at inodedep_lookup+0xa7
    softdep_change_linkcnt(c213b578,c6bc54f0,c65f3f88,c213b578,c1c39270) at softdep_change_linkcnt+0x31
    ufs_dirremove(c17d83a8,c213b578,100800c,0,cf261c48) at ufs_dirremove+0x12d
    ufs_remove(cf261c4c) at ufs_remove+0x4b
    VOP_REMOVE_AP(cf261c4c) at VOP_REMOVE_AP+0x62
    kern_unlink(c1add2e0,bfbfe940,0,cf261d40,c07bd6c3) at kern_unlink+0x167
    unlink(c1add2e0,cf261d14,1,28,292) at unlink+0x12
    syscall(2804002f,bfbf002f,bfbf002f,2804f6c0,bfbfeb14) at syscall+0x213

    More info at http://www.holm.cc/stress/log/cons112.html 

    -- 
Peter Holm
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  • Next message: David G. Lawrence: "Re: do_execve() finding vmspace_destroyed set under load"