panic: kernel diagnostic assertion "part >= 0 && part < MAXPARTITIONS" failed: file "/syzkaller/managers/main/kernel/sys/kern/subr_disk.c", line 1169
Starting stack trace...
panic(ffffffff833688fd) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833a8065,ffffffff8334703b,491,ffffffff8339dd57) at __assert+0x29 sys/kern/subr_prf.c:-1
disk_openpart(ffff800000025c48,12,2000,1) at disk_openpart+0x20d
sdopen(d12,1,2000,ffff80003a527cb0) at sdopen+0x261 sys/scsi/sd.c:429
spec_open(ffff80002a87d808) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd8065409ea8,1,fffffd8007bfd548,ffff80003a527cb0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80002a87da50,1,0) at vn_open+0x6a0 sys/kern/vfs_vnops.c:177
doopenat(ffff80003a527cb0,ffffff9c,200000000080,0,0,ffff80002a87dbf0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a87dca0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a87dca0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x861de77dcf0, count: 247
End of stack trace.