[Bug 194109] New: [lor] if_lagg rmlock <-> if_addr_lock

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194109

            Bug ID: 194109
           Summary: [lor] if_lagg rmlock <-> if_addr_lock
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: dumbbell at FreeBSD.org

The following LOR appeared between r272024 and r272450:

Oct  3 10:11:38 magellan kernel: lock order reversal:
Oct  3 10:11:38 magellan kernel: 1st 0xfffff80006c92008 if_lagg rmlock (if_lagg
rmlock) @
/mnt/home/dumbbell/Projects/freebsd/src/SVN/head/sys/modules/if_lagg/../../net/if_lagg.c:1395
Oct  3 10:11:38 magellan kernel: 2nd 0xfffff80029f77990 if_addr_lock
(if_addr_lock) @
/mnt/home/dumbbell/Projects/freebsd/src/SVN/head/sys/modules/if_lagg/../../net/if_lagg.c:1499
Oct  3 10:11:38 magellan kernel: KDB: stack backtrace:
Oct  3 10:11:38 magellan kernel: db_trace_self_wrapper() at
db_trace_self_wrapper+0x2b/frame 0xfffffe012185e650
Oct  3 10:11:38 magellan kernel: kdb_backtrace() at kdb_backtrace+0x39/frame
0xfffffe012185e700
Oct  3 10:11:38 magellan kernel: witness_checkorder() at
witness_checkorder+0xdc2/frame 0xfffffe012185e790
Oct  3 10:11:38 magellan kernel: _rw_wlock_cookie() at
_rw_wlock_cookie+0x71/frame 0xfffffe012185e7d0
Oct  3 10:11:38 magellan kernel: lagg_ether_cmdmulti() at
lagg_ether_cmdmulti+0x5c/frame 0xfffffe012185e810
Oct  3 10:11:38 magellan kernel: lagg_ioctl() at lagg_ioctl+0x114c/frame
0xfffffe012185e8f0
Oct  3 10:11:38 magellan kernel: in_control() at in_control+0x30b/frame
0xfffffe012185e970
Oct  3 10:11:38 magellan kernel: ifioctl() at ifioctl+0xba8/frame
0xfffffe012185ea30
Oct  3 10:11:38 magellan kernel: kern_ioctl() at kern_ioctl+0x22b/frame
0xfffffe012185ea90
Oct  3 10:11:38 magellan kernel: sys_ioctl() at sys_ioctl+0x13c/frame
0xfffffe012185eae0
Oct  3 10:11:38 magellan kernel: amd64_syscall() at amd64_syscall+0x25a/frame
0xfffffe012185ebf0
Oct  3 10:11:38 magellan kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame
0xfffffe012185ebf0
Oct  3 10:11:38 magellan kernel: --- syscall (54, FreeBSD ELF64, sys_ioctl),
rip = 0x8011df81a, rsp = 0x7fffffffe3e8, rbp = 0x7fffffffe460 ---

-- 
You are receiving this mail because:
You are the assignee for the bug.