[Bug 259458] iflib_rxeof NULL pointer crash with vmxnet3 driver
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Date: Tue, 26 Oct 2021 16:23:31 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259458
--- Comment #11 from Andriy Gapon <avg@FreeBSD.org> ---
Also, got a different crash but quite possibly related:
<6>vmx0: link state changed to UP
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x1ea09e000
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff80a5dd07
stack pointer = 0x0:0xfffffe00c85cb930
frame pointer = 0x0:0xfffffe00c85cb960
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (if_io_tqg_0)
trap number = 12
panic: page fault
cpuid = 0
time = 1635193519
KDB: stack backtrace:
stack1 db_trace_self_wrapper+0x2b vpanic+0x182 panic+0x43 trap_fatal+0x391
trap_pfault+0x4f trap+0x286 calltrap+0x8
stack2 bounce_bus_dmamap_sync+0x17 iflib_fl_refill+0x31b _task_fn_rx+0x84b
gtaskqueue_run_locked+0xed gtaskqueue_thread_loop+0x7e fork_exit+0x6d
fork_trampoline+0xe
KDB: enter: panic
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