syzbot

login: ˦uvm_fault(0xffffffff83a1e4e0, 0xffff800029ef5000, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      pvclock_get+0x53:       movl    0(%r15),%r12d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
pvclock_get(ffffffff838d24f0) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline]
pvclock_get(ffffffff838d24f0) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333
nanouptime(ffff80002a847400) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline]
nanouptime(ffff80002a847400) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline]
nanouptime(ffff80002a847400) at nanouptime+0x61 sys/kern/kern_tc.c:217
tuagg_add_runtime() at tuagg_add_runtime+0x40 sys/kern/kern_resource.c:449
mi_switch() at mi_switch+0xb1 sys/kern/sched_bsd.c:372
ast(ffff80002a8474d0) at ast+0x13d mi_ast sys/sys/syscall_mi.h:252 [inline]
ast(ffff80002a8474d0) at ast+0x13d sys/arch/amd64/amd64/trap.c:747
Xsyscall() at Xsyscall+0x156
end of kernel
end trace frame: 0xc54bd6ef150, count: 9
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