Date: Tue, 26 Oct 2021 13:15:55 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 259458] iflib_rxeof NULL pointer crash with vmxnet3 driver Message-ID: <bug-259458-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259458 Bug ID: 259458 Summary: iflib_rxeof NULL pointer crash with vmxnet3 driver Product: Base System Version: 12.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: avg@FreeBSD.org Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff809d4bad stack pointer =3D 0x28:0xfffffe00c85cba40 frame pointer =3D 0x28:0xfffffe00c85cba40 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (if_io_tqg_0) trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1634262163 KDB: stack backtrace: stack1 db_trace_self_wrapper+0x2b vpanic+0x182 panic+0x43 trap_fatal+0x391 trap_pfault+0x4f trap+0x286 calltrap+0x8 stack2 memcpy_erms+0x1d _task_fn_rx+0x2b9 gtaskqueue_run_locked+0xed gtaskqueue_thread_loop+0x7e fork_exit+0x6d fork_trampoline+0xe KDB: enter: panic #11 kdb_enter (why=3D0xffffffff80b17af9 "panic", msg=3D0xffffffff80b17af9 "= panic") at /usr/src/sys/kern/subr_kdb.c:486 #12 0xffffffff8073ddce in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:975 #13 0xffffffff8073dc23 in panic (fmt=3D0xffffffff81178120 <cnputs_mtx+24> "= ") at /usr/src/sys/kern/kern_shutdown.c:909 #14 0xffffffff809d8b31 in trap_fatal (frame=3D0xfffffe00c85cb980, eva=3D0) = at /usr/src/sys/amd64/amd64/trap.c:921 #15 0xffffffff809d8b8f in trap_pfault (frame=3D0xfffffe00c85cb980, usermode=3D<optimized out>, signo=3D<optimized out>, ucode=3D<optimized out= >) at /usr/src/sys/amd64/amd64/trap.c:739 #16 0xffffffff809d8256 in trap (frame=3D0xfffffe00c85cb980) at /usr/src/sys/amd64/amd64/trap.c:405 #17 <signal handler called> #18 memcpy_erms () at /usr/src/sys/amd64/amd64/support.S:577 #19 0xffffffff8084d049 in iflib_rxd_pkt_get (rxq=3D0xfffffe00ea9f5000, ri=3D<optimized out>) at /usr/src/sys/net/iflib.c:2737 #20 iflib_rxeof (rxq=3D<optimized out>, budget=3D<optimized out>) at /usr/src/sys/net/iflib.c:2879 #21 _task_fn_rx (context=3D<optimized out>) at /usr/src/sys/net/iflib.c:3868 #22 0xffffffff807808bd in gtaskqueue_run_locked (queue=3D0xfffff800020c7200= ) at /usr/src/sys/kern/subr_gtaskqueue.c:362 #23 0xffffffff8078068e in gtaskqueue_thread_loop (arg=3D<optimized out>) at /usr/src/sys/kern/subr_gtaskqueue.c:537 #24 0xffffffff8070792d in fork_exit (callout=3D0xffffffff80780610 <gtaskqueue_thread_loop>, arg=3D0xfffffe00007f8008, frame=3D0xfffffe00c85cb= c00) at /usr/src/sys/kern/kern_fork.c:108 --=20 You are receiving this mail because: You are the assignee for the bug.=
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