panic: kernel diagnostic assertion "refs > 1" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_synch.c", line 920
Starting stack trace...
panic(ffffffff83377691) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833ba2c6,ffffffff83416de6,398,ffffffff83383791) at __assert+0x29 sys/kern/subr_prf.c:-1
refc
nt_take(ffff800001598808) at refcnt_take+0xf9 sys/kern/kern_synch.c:921
if_getgroupmembers(ffff800036103170) at if_getgroupmembers+0x11d sys/net/if.c:3255
sys_ioctl(ffff80003c9d74f0,ffff800036103340,ffff800036103290) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff800036103340) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800036103340) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78ba6e7e7f0, count: 250
End of stack trace.
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