mail_daemon crashing on fetching mail

[humdinger]

This is hrev43375.

Fetching mail (pop3) crashes the daemon with the attached backtrace. It's still fetching the mails though, it seems.

[humdinger]

BT when fetching mail

[humdinger]

I started the mail_daemon with LD_PRELOAD=libroot_debug.so /boot/system/servers/mail_daemon -E and get this written to the syslog:

KERN: bfs: bfs_create_index:2077: File or Directory already exists
KERN: Last message repeated 59 times.
KERN: write access attempted on write-protected area 0x6f35 at 0x0061a000
KERN: vm_page_fault: vm_soft_fault returned error 'Permission denied' on fault at 0x61ae04, ip 0x23063d, write 1, user 1, thread 0x4bd
KERN: vm_page_fault: thread "user thread" (1213) in team "mail_daemon" (1206) tried to write address 0x61ae04, ip 0x23063d ("libroot_debug.so_seg0ro" +0x3063d)
KERN: debug_server: Thread 1213 entered the debugger: Segment violation
KERN: stack trace, current PC 0x23063d  atomic_add + 0x8:
KERN:   (0x780f5f8c)  0x53d1f5  _._11BStringList + 0x2d
KERN:   (0x780f5fbc)  0x25f79a9  CheckForDeletedMessages__12POP3Protocol + 0x75
KERN:   (0x780f68ec)  0x25f58fc  SyncMessages__12POP3Protocol + 0x208
KERN:   (0x780f6e5c)  0x60ff7b  MessageReceived__21InboundProtocolThreadP8BMessage + 0x77
KERN:   (0x780f6f0c)  0x3fdda7  DispatchMessage__7BLooperP8BMessageP8BHandler + 0x5b
KERN:   (0x780f6f3c)  0x3ff6d1  task_looper__7BLooper + 0x205
KERN:   (0x780f6f7c)  0x3ff2c3  _task0___7BLooperPv + 0x3f
KERN:   (0x780f6fac)  0x22c7d7  thread_entry + 0x23
KERN: 1211: DEBUGGER: free(): free failed for address 0x627d20
KERN: 
KERN: debug_server: Killing team 1206 (/boot/system/servers/mail_daemon -E)
KERN: debug_server: TeamDebugHandler::Init(): Failed to get info for team 1206: Operation on invalid team
KERN: debug_server: KillTeam(): Error getting info for team 1206: Operation on invalid team
KERN: debug_server: Killing team 1206 ()

[czeidler]

There have been to versions of BStringList which causes the crash. Fixed in hrev43506.