https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252833
Bug ID: 252833
Summary: panic changing vt font with gfx-enabled EFI loader
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: b...@desync.com
After booting with the new gfx EFI loader, changing the vt font causes a panic:
--- trap 0xc, rip = 0xffffffff80b65bfd, rsp = 0xfffffe01a1c02560, rbp =
0xfffffe01a1c02590 ---
free() at free+0x4d/frame 0xfffffe01a1c02590
vt_change_font() at vt_change_font+0x19a/frame 0xfffffe01a1c025e0
vtterm_ioctl() at vtterm_ioctl+0xf30/frame 0xfffffe01a1c02630
termtty_ioctl() at termtty_ioctl+0xc5/frame 0xfffffe01a1c02680
tty_ioctl() at tty_ioctl+0x3b/frame 0xfffffe01a1c026c0
#11 0xffffffff809e5f4a in vt_change_font (vw=vw@entry=0xfffff8002888fd80,
vf=0xfffff8003a286880)
at /usr/src/sys/dev/vt/vt_core.c:1901
1901 vtfont_unref(vw->vw_font);
(kgdb) p vw->vw_font
$6 = (struct vt_font *) 0xffffffff81c50400 <vt_font_loader>
#10 0xffffffff809e73c0 in vtfont_unref (vf=<optimized out>) at
/usr/src/sys/dev/vt/vt_font.c:135
135 free(vf, M_VTFONT);
FreeBSD 13.0-ALPHA1 #0 main-c256114-g5290493a200-dirty
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