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Red Hat Bugzilla – Attachment 150537 Details for
Bug 229112
Kernel oops when tracing multiple processes using ptrace
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Oops message from 2.6.20-1.2933.fc6
oops.txt (text/plain), 5.22 KB, created by
Magnus Vesterlund
on 2007-03-20 21:35:12 UTC
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Description:
Oops message from 2.6.20-1.2933.fc6
Filename:
MIME Type:
Creator:
Magnus Vesterlund
Created:
2007-03-20 21:35:12 UTC
Size:
5.22 KB
patch
obsolete
>kernel BUG at kernel/ptrace.c:1442! >invalid opcode: 0000 [1] SMP >last sysfs file: /block/ram0/range >CPU 0 >Modules linked in: ipv6 autofs4 hidp nfs lockd nfs_acl rfcomm l2cap bluetooth sd >Pid: 23492, comm: target Not tainted 2.6.20-1.2933.fc6 #1 >RIP: 0010:[<ffffffff802b8717>] [<ffffffff802b8717>] ptrace_report_clone+0xc9/05 >RSP: 0018:ffff81006e407e28 EFLAGS: 00010287 >RAX: ffffffffffffff8e RBX: ffff81006eb56e40 RCX: 000000000000000d >RDX: 000000000000004f RSI: ffff810001000068 RDI: 00000000000000d0 >RBP: ffff81006dc6b800 R08: ffff81006e8bb200 R09: 0000000000000000 >R10: ffffffff8046e680 R11: 0000000000000000 R12: ffff81006e8bb900 >R13: 0000000000000003 R14: ffff81006e05f800 R15: ffff81006eb72a40 >FS: 000000006a843940(0063) GS:ffffffff805d3000(0000) knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: 00002aaaae1d2000 CR3: 000000006e546000 CR4: 00000000000006e0 >Process target (pid: 23492, threadinfo ffff81006e406000, task ffff81006e05f800) >Stack: 0000000866c3d9d0 ffff81006eb72a40 0000000000000000 ffff81006e05f800 > 0000000000000000 0000000000000000 ffff81006eade9c0 ffffffff802b6b71 > ffff81006dc6b800 00000000003d0f00 ffff81006eade9d0 ffff81006dc6b800 >Call Trace: > [<ffffffff802b6b71>] utrace_report_clone+0x55/0x186 > [<ffffffff80230364>] do_fork+0xd4/0x17b > [<ffffffff802b5580>] remove_detached+0x73/0x86 > [<ffffffff8025a11e>] system_call+0x7e/0x83 > [<ffffffff8025a437>] ptregscall_common+0x67/0xb0 > > >Code: 0f 0b eb fe 48 89 de 48 89 ef e8 bd d5 ff ff 41 8b 96 0c 01 >RIP [<ffffffff802b8717>] ptrace_report_clone+0xc9/0x175 > RSP <ffff81006e407e28> > <0>------------[ cut here ]------------ >kernel BUG at kernel/ptrace.c:1442! >invalid opcode: 0000 [2] SMP >last sysfs file: /block/ram0/range >CPU 0 >Modules linked in: ipv6 autofs4 hidp nfs lockd nfs_acl rfcomm l2cap bluetooth sd >Pid: 25162, comm: target Not tainted 2.6.20-1.2933.fc6 #1 >RIP: 0010:[<ffffffff802b8717>] [<ffffffff802b8717>] ptrace_report_clone+0xc9/05 >RSP: 0018:ffff81006e4e9e28 EFLAGS: 00010287 >RAX: ffffffffffffff8e RBX: ffff81006e3f6d80 RCX: 000000000000000e >RDX: 0000000000000063 RSI: ffff810001000070 RDI: 00000000000000d0 >RBP: ffff81006e069840 R08: ffff8100706a3880 R09: 0000000000000000 >R10: ffffffff8046e680 R11: 0000000000000000 R12: ffff81006e8bb980 >R13: 0000000000000003 R14: ffff81006eb50040 R15: ffff81006e4acf40 >FS: 00002aaaaaac8890(0000) GS:ffffffff805d3000(0000) knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: 00002aaaae1d2000 CR3: 000000006e546000 CR4: 00000000000006e0 >Process target (pid: 25162, threadinfo ffff81006e4e8000, task ffff81006eb50040) >Stack: 000000086da489d0 ffff81006e4acf40 0000000000000000 ffff81006eb50040 > 0000000000000000 0000000000000000 ffff81006ef7bf00 ffffffff802b6b71 > ffff81006e069840 00000000003d0f00 ffff81006ef7bf10 ffff81006e069840 >Call Trace: > [<ffffffff802b6b71>] utrace_report_clone+0x55/0x186 > [<ffffffff80230364>] do_fork+0xd4/0x17b > [<ffffffff8025a11e>] system_call+0x7e/0x83 > [<ffffffff8025a437>] ptregscall_common+0x67/0xb0 > > >Code: 0f 0b eb fe 48 89 de 48 89 ef e8 bd d5 ff ff 41 8b 96 0c 01 >RIP [<ffffffff802b8717>] ptrace_report_clone+0xc9/0x175 > RSP <ffff81006e4e9e28> > <1>Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: > [<0000000000000000>] >PGD 6eb73067 PUD 6eb34067 PMD 0 >Oops: 0010 [3] SMP >last sysfs file: /block/ram0/range >CPU 0 >Modules linked in: ipv6 autofs4 hidp nfs lockd nfs_acl rfcomm l2cap bluetooth sd >Pid: 11546, comm: monitor Not tainted 2.6.20-1.2933.fc6 #1 >RIP: 0010:[<0000000000000000>] [<0000000000000000>] >RSP: 0018:ffffffff8068aee8 EFLAGS: 00010286 >RAX: ffff81006dc88f50 RBX: 0000000000000000 RCX: 000000000000000d >RDX: 0000000000000080 RSI: ffff810001000068 RDI: ffff81006dc88f50 >RBP: ffff8100030208a0 R08: ffff81006e72b400 R09: ffffffff8067f960 >R10: 0000000000000158 R11: 0000000000000246 R12: 0000000000000081 >R13: 0000000000000000 R14: 0000000000000158 R15: 0000000000000000 >FS: 00002aaaaaac8210(0000) GS:ffffffff805d3000(0000) knlGS:0000000000000000 >CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >CR2: 0000000000000000 CR3: 000000006eaf3000 CR4: 00000000000006e0 >Process monitor (pid: 11546, threadinfo ffff81006e450000, task ffff81006eb77840) >Stack: ffffffff80295fbe ffff8100030209a0 0000000000000000 000000000000000a > ffffffff80296070 ffff81000301c860 ffffffff8028c725 ffffffff805d9110 > 0000000000000003 ffffffff805d9150 ffffffff80211fa5 ffffffff8068af38 >Call Trace: > <IRQ> [<ffffffff80295fbe>] __rcu_process_callbacks+0x12d/0x1bc > [<ffffffff80296070>] rcu_process_callbacks+0x23/0x43 > [<ffffffff8028c725>] tasklet_action+0x53/0x9d > [<ffffffff80211fa5>] __do_softirq+0x55/0xc3 > [<ffffffff8025b23c>] call_softirq+0x1c/0x28 > [<ffffffff8026858d>] do_softirq+0x2c/0x85 > [<ffffffff80272765>] smp_apic_timer_interrupt+0x56/0x69 > [<ffffffff8025ace6>] apic_timer_interrupt+0x66/0x70 > <EOI> [<ffffffff80318457>] avc_has_perm_noaudit+0xa3/0x370 > [<ffffffff80319334>] avc_has_perm+0x28/0x58 > [<ffffffff80244022>] try_to_wake_up+0x423/0x434 > [<ffffffff802b83ac>] ptrace_do_wait+0xc1/0x363 > [<ffffffff80227fe4>] do_wait+0x8a8/0xa59 > [<ffffffff802864b5>] default_wake_function+0x0/0xe > [<ffffffff8025a11e>] system_call+0x7e/0x83 > > >Code: Bad RIP value. >RIP [<0000000000000000>] > RSP <ffffffff8068aee8> >CR2: 0000000000000000 > <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
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