Re: ptrace() memory corruption?
From: Jiri Slaby
Date: Sun Dec 24 2006 - 07:04:57 EST
Jiri Slaby wrote:
> Pavel Machek wrote:
>>> Is there something wrong with gdb?
>> Yep. If I do gdb /bin/bash, run; I'll get similar oops. Am I alone
>> seeing this?
>
> Nope, I have this nasty thing here too and will post oopses in the afternoon,
> just before Jezisek comes :).
Ok, I captured this through netconosle:
[ 8.499155] usb 3-2: new low speed USB device using uhci_hcd and address 2
[ 8.721946] usb 3-2: new device found, idVendor=045e, idProduct=00f0
[ 8.722016] usb 3-2: new device strings: Mfr=1, Product=2, SerialNumber=0
[ 8.722081] usb 3-2: Product: Microsoft ï Laser Mouse 6000
[ 8.722145] usb 3-2: Manufacturer: Microsoft Corporation
[ 8.722344] usb 3-2: configuration #1 chosen from 1 choice
[ 8.753100] input: Microsoft Corporation Microsoft ï Laser Mouse 6000 as
/class/input/input4
[ 8.753310] input: USB HID v1.11 Mouse [Microsoft Corporation Microsoft ï
Laser Mouse 6000] on usb-0000:00:1d.1-2
[ 58.672510] WARNING (!__warned) at /home/l/latest/xxx/kernel/softirq.c:137
local_bh_enable()
[ 58.672562] [<c0103f1b>] show_trace_log_lvl+0x1a/0x30
[ 58.672682] [<c01045d5>] show_trace+0x12/0x14
[ 58.672787] [<c010465c>] dump_stack+0x16/0x18
[ 58.672893] [<c0126ccc>] local_bh_enable+0x8c/0x9b
[ 58.672998] [<c030a499>] lock_sock_nested+0xa3/0xab
[ 58.673107] [<c03080e1>] sock_fasync+0x3e/0x145
[ 58.673216] [<c0309056>] sock_close+0x19/0x3d
[ 58.673322] [<c0165baf>] __fput+0xa6/0x161
[ 58.673432] [<c0165e25>] fput+0x22/0x3b
[ 58.673538] [<c016358a>] filp_close+0x41/0x67
[ 58.673646] [<c01645f3>] sys_close+0x67/0xaf
[ 58.673753] [<c0102fe4>] syscall_call+0x7/0xb
[ 58.673855] =======================
[ 58.674091] ------------[ cut here ]------------
[ 58.674158] kernel BUG at /home/l/latest/xxx/fs/buffer.c:1244!
[ 58.674224] invalid opcode: 0000 [#1]
[ 58.674286] SMP
[ 58.674414] last sysfs file: /devices/platform/i2c-9191/9191-0290/fan3_min
[ 58.674478] Modules linked in: eth1394 floppy ohci1394 ieee1394 ide_cd cdrom
[ 58.674778] CPU: 1
[ 58.674779] EIP: 0060:[<c0181fa0>] Not tainted VLI
[ 58.674780] EFLAGS: 00010046 (2.6.20-rc1-mm1 #207)
[ 58.674971] EIP is at __find_get_block+0x165/0x171
[ 58.675035] eax: 00000092 ebx: f78e6ec0 ecx: 00001000 edx: 00008025
[ 58.675101] esi: 00000001 edi: 00001000 ebp: f76efc6c esp: f76efc34
[ 58.675166] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 58.675232] Process bash (pid: 1595, ti=f76ee000 task=c1a40560 task.ti=f76ee000)
[ 58.675297] Stack: c1b31ac0 f7df7e3c 0000003a c1b31bd0 f76efc74 c0181bb4
00000001 00000000
[ 58.675693] f7df7e3c f76efc74 c0181544 f78e6ec0 00000001 00001000
f76efc9c c0181fc2
[ 58.676083] f76efcb4 c0181eab 00008025 c1b31ac0 f74e5d40 f76efcb8
c01aa46a f78e6ec0
[ 58.676476] Call Trace:
[ 58.676594] [<c0103f1b>] show_trace_log_lvl+0x1a/0x30
[ 58.676692] [<c0103fd6>] show_stack_log_lvl+0xa5/0xca
[ 58.676789] [<c01041ce>] show_registers+0x1d3/0x2b8
[ 58.676887] [<c01043d4>] die+0x121/0x243
[ 58.676984] [<c010456c>] do_trap+0x76/0x9c
[ 58.677083] [<c0104dcf>] do_invalid_op+0x97/0xa1
[ 58.677181] [<c038a7e4>] error_code+0x7c/0x84
[ 58.677278] [<c0181fc2>] __getblk+0x16/0x20a
[ 58.677375] [<c019ec64>] __ext3_get_inode_loc+0x139/0x332
[ 58.677476] [<c019ee71>] ext3_get_inode_loc+0x14/0x16
[ 58.677575] [<c019ee93>] ext3_reserve_inode_write+0x20/0x6c
[ 58.677674] [<c019eeff>] ext3_mark_inode_dirty+0x20/0x37
[ 58.677772] [<c01a1cd0>] ext3_dirty_inode+0x6b/0x6d
[ 58.677871] [<c017e7c4>] __mark_inode_dirty+0x2a/0x170
[ 58.677969] [<c0176d3c>] touch_atime+0xb4/0xe8
[ 58.678067] [<c016ce4d>] __link_path_walk+0x91e/0xcb6
[ 58.678164] [<c016d22b>] link_path_walk+0x46/0xc3
[ 58.678262] [<c016d46f>] do_path_lookup+0x86/0x1b0
[ 58.678359] [<c016df00>] __path_lookup_intent_open+0x44/0x7f
[ 58.678457] [<c016dfb3>] path_lookup_open+0x21/0x27
[ 58.678555] [<c016e088>] open_namei+0x62/0x5cb
[ 58.678653] [<c01638d2>] do_filp_open+0x26/0x43
[ 58.678750] [<c0163930>] do_sys_open+0x41/0xca
[ 58.678847] [<c01639f1>] sys_open+0x1c/0x1e
[ 58.678943] [<c0102fe4>] syscall_call+0x7/0xb
[ 58.679040] =======================
[ 58.679101] Code: 45 d0 e8 b6 f5 ff ff e9 22 ff ff ff 89 d8 e8 aa f5 ff ff eb
8c 89 ce 8d 4e ff 8b 04 8f 89 04 b7 85 c9 75 f1 89 1f e9 f6 fe ff ff <0f> 0b eb
fe 0f 0b eb fe 0f 0b eb fe 55 89 e5 57 56 53 83 ec 1c
[ 58.681386] EIP: [<c0181fa0>] __find_get_block+0x165/0x171 SS:ESP 0068:f76efc34
[ 58.681545]
after gdb /bin/bash
(gdb) run
regards,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/