Red Hat Bugzilla – Bug 97939
kernel panic in access_process_vm
Last modified: 2007-04-18 12:55:00 EDT
Unable to handle kernel NULL pointer dereference at virtual address 0000007c printing eip: c01255fd *pde = 00000000 Oops: 0000 ide-cd cdrom loop nfs lockd sunrpc tulip e100 cls_u32 sch_tbf sch_cbq ipt_LOG ipt_limit ipt_REJECT ipt_state iptable_mangle iptable_nat ip_conntrack_ftp ip_co CPU: 1 EIP: 0010:[<c01255fd>] Not tainted EFLAGS: 00010202 EIP is at access_process_vm [kernel] 0x2d (2.4.18-27.7.xsmp) eax: 00000000 ebx: 00000000 ecx: bffffc74 edx: d6a92000 esi: ee5d5480 edi: dd872000 ebp: dd872000 esp: c4ad5ef8 ds: 0018 es: 0018 ss: 0018 Process ps (pid: 18358, stackpage=c4ad5000) Stack: e4896176 dd872000 00000000 f7200880 00000001 f4918b00 00000212 f4918b00 c46c5870 00000000 ee5d5480 dd872000 dd872000 c01641e7 d6a92000 bffffc74 dd872000 00000031 00000000 00000031 d12c6d80 000007ff d6a92000 dd872000 Call Trace: [<c01641e7>] proc_pid_cmdline [kernel] 0x67 (0xc4ad5f2c)) [<c016454c>] proc_info_read [kernel] 0x4c (0xc4ad5f58)) [<c0144567>] fput [kernel] 0xc7 (0xc4ad5f64)) [<c01435a6>] sys_read [kernel] 0x96 (0xc4ad5f7c)) [<c0142f37>] sys_open [kernel] 0x57 (0xc4ad5fac)) [<c0108ca3>] system_call [kernel] 0x33 (0xc4ad5fc0)) Code: f6 40 7c 01 74 07 3d a0 1d 30 c0 75 08 c7 44 24 08 00 00 00 Booted into 2.4.20-18.7smp, but wanted to report this in case this code path is still a problem in current kernels.
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