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9e14037f05
Segfault happens when leaving qemu with msmouse backend:
#0 0x00007fa8526ac975 in raise () at /lib64/libc.so.6
#1 0x00007fa8526add8a in abort () at /lib64/libc.so.6
#2 0x0000558be78846ab in error_exit (err=16, msg=0x558be799da10 ...
#3 0x0000558be7884717 in qemu_mutex_destroy (mutex=0x558be93be750) at ...
#4 0x0000558be7549951 in qemu_chr_free_common (chr=0x558be93be750) at ...
#5 0x0000558be754999c in qemu_chr_free (chr=0x558be93be750) at ...
#6 0x0000558be7549a20 in qemu_chr_delete (chr=0x558be93be750) at ...
#7 0x0000558be754a8ef in qemu_chr_cleanup () at qemu-char.c:4643
#8 0x0000558be755843e in main (argc=5, argv=0x7ffe925d7118, ...
The chr was freed by msmouse close callback before chardev cleanup,
Then qemu_mutex_destroy triggered raise().
Because freeing chr is handled by qemu_chr_free_common, Remove the free from
msmouse_chr_close to avoid double free.
Fixes:
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.. | ||
baum.c | ||
hostmem-file.c | ||
hostmem-ram.c | ||
hostmem.c | ||
Makefile.objs | ||
msmouse.c | ||
rng-egd.c | ||
rng-random.c | ||
rng.c | ||
testdev.c | ||
tpm.c |