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Re: port-cobalt/38391: Recently imported OpenSSH 5.0 crashes cobalt kernel via its sshd binary



christos%zoulas.com@localhost wrote:

> I think it is file descriptor stuff. Try a Feb-15 kernel.

On RaQ1, with userland fetched from NetBSD-daily/HEAD/200804080000Z,
today's (2008/04/15 ~14:40 UTC) kernel:
---
Enter passphrase for key '/home/tsutsui/.ssh/id_rsa': 
trap: address error (load or I-fetch) in kernel mode
status=0xfc03, cause=0x10, epc=0x8028f7fc, vaddr=0x23
pid=596 cmd=sshd usp=0x7fffcdc0 ksp=0xc6889c88
Stopped in pid 596.1 (sshd) at  netbsd:mutex_enter:     ll      t0,a0,0
db> tr
mutex_enter+0 (23,802403f0,1,0) ra 80240418 sz 0
unp_discard+28 (23,802403f0,1,0) ra 802405f0 sz 32
unp_scan+ec (23,802403f0,1,0) ra 80242498 sz 48
uipc_usrreq+210 (23,802403f0,1,0) ra 8023b7cc sz 56
sosend+4b8 (82daf138,0,c6889e18,83a76e00) ra 8023f3ec sz 88
do_sys_sendmsg+344 (82daf138,0,c6889e18,83a76e00) ra 8023f534 sz 192
sys_sendmsg+5c (82daf138,0,c6889e18,83a76e00) ra 80294d50 sz 80
syscall_plain+130 (82daf138,0,c6889e18,83a76e00) ra 8028e8fc sz 80
mips3_SystemCall+bc (82daf138,0,c6889e18,83a76e00) ra 7d72caf0 sz 0
PC 0x7d72caf0: not in kernel space
0+7d72caf0 (82daf138,0,c6889e18,83a76e00) ra 0 sz 0
User-level: pid 596.1
db> 
---

2008/03/21 00:00:00 UTC kernel:
---
Enter passphrase for key '/home/tsutsui/.ssh/id_rsa': 
trap: address error (load or I-fetch) in kernel mode
status=0xfc03, cause=0x10, epc=0x8028c03c, vaddr=0x3b
pid=563 cmd=sshd usp=0x7fffcdc0 ksp=0xc687bc80
Stopped in pid 563.1 (sshd) at  netbsd:mutex_enter:     ll      t0,a0,0
db> tr
mutex_enter+0 (3b,8023c4f0,1,0) ra 8023c518 sz 0
unp_discard+28 (3b,8023c4f0,1,0) ra 8023c71c sz 32
unp_scan+ec (3b,8023c4f0,1,0) ra 8023e6d4 sz 48
uipc_usrreq+248 (3b,8023c4f0,1,0) ra 80236dd8 sz 56
sosend+4c8 (82610dc8,0,c687be18,83a8be00) ra 8023b09c sz 96
do_sys_sendmsg+350 (82610dc8,0,c687be18,83a8be00) ra 8023b22c sz 192
sys_sendmsg+5c (82610dc8,0,c687be18,83a8be00) ra 80291590 sz 80
syscall_plain+130 (82610dc8,0,c687be18,83a8be00) ra 8028b13c sz 80
mips3_SystemCall+bc (82610dc8,0,c687be18,83a8be00) ra 7d72caf0 sz 0
PC 0x7d72caf0: not in kernel space
0+7d72caf0 (82610dc8,0,c687be18,83a8be00) ra 0 sz 0
User-level: pid 563.1
db> 

2008/02/15 00:00:00 UTC kernel:
---
Enter passphrase for key '/home/tsutsui/.ssh/id_rsa': 
trap: address error (load or I-fetch) in kernel mode
status=0xfc03, cause=0x10, epc=0x8028ab8c, vaddr=0x3b
pid=596 cmd=sshd usp=0x7fffcdc0 ksp=0xc687bc80
Stopped in pid 596.1 (sshd) at  netbsd:mutex_enter:     ll      t0,a0,0
db> tr
mutex_enter+0 (3b,8023b0c0,1,0) ra 8023b0e8 sz 0
unp_discard+28 (3b,8023b0c0,1,0) ra 8023b2ec sz 32
unp_scan+ec (3b,8023b0c0,1,0) ra 8023d2a4 sz 48
uipc_usrreq+248 (3b,8023b0c0,1,0) ra 802359d4 sz 56
sosend+4c8 (82609dc8,0,c687be18,83a8c500) ra 80239c6c sz 96
do_sys_sendmsg+350 (82609dc8,0,c687be18,83a8c500) ra 80239dfc sz 192
sys_sendmsg+5c (82609dc8,0,c687be18,83a8c500) ra 802900e0 sz 80
syscall_plain+130 (82609dc8,0,c687be18,83a8c500) ra 80289c8c sz 80
mips3_SystemCall+bc (82609dc8,0,c687be18,83a8c500) ra 7d72caf0 sz 0
PC 0x7d72caf0: not in kernel space
0+7d72caf0 (82609dc8,0,c687be18,83a8c500) ra 0 sz 0
User-level: pid 596.1
db> 
---

2008/01/01 00:00:00 UTC kernel:
---
Enter passphrase for key '/home/tsutsui/.ssh/id_rsa': 
trap: address error (load or I-fetch) in kernel mode
status=0xfc03, cause=0x10, epc=0x802852ac, vaddr=0x43
pid=563 cmd=sshd usp=0x7fffbdc0 ksp=0xc6865c80
Stopped in pid 563.1 (sshd) at  netbsd:mutex_enter:     ll      t0,a0,0
db> tr
mutex_enter+0 (43,80236b10,1,0) ra 80236b38 sz 0
unp_discard+28 (43,80236b10,1,0) ra 80236d3c sz 32
unp_scan+ec (43,80236b10,1,0) ra 80238d10 sz 48
uipc_usrreq+248 (43,80236b10,1,0) ra 80231254 sz 56
sosend+4c4 (82c24388,0,c6865e18,83a9a300) ra 802356bc sz 96
do_sys_sendmsg+350 (82c24388,0,c6865e18,83a9a300) ra 8023584c sz 192
sys_sendmsg+5c (82c24388,0,c6865e18,83a9a300) ra 8028a800 sz 80
syscall_plain+130 (82c24388,0,c6865e18,83a9a300) ra 802843ac sz 80
mips3_SystemCall+bc (82c24388,0,c6865e18,83a9a300) ra 7d72caf0 sz 0
PC 0x7d72caf0: not in kernel space
0+7d72caf0 (82c24388,0,c6865e18,83a9a300) ra 0 sz 0
User-level: pid 563.1
db> 
---

Hmm...

---
Izumi Tsutsui


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