W0315 22:27:37.039915  803922 log.go:329] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f35a01b3000 for pwritev operation on "/tmp/syzkaller-testdir888050811/syzkaller.lz1l56/210/memory.events":
goroutine 47921 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0xdec000, 0xc18554b4a8, 0xc000230000, 0xc000580120)
	pkg/log/log.go:313 +0xbe
gvisor.dev/gvisor/pkg/log.Traceback(0x1955b9a, 0x4c, 0xc1873e19a0, 0x5, 0x5)
	pkg/log/log.go:328 +0x38
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1af8960, 0xc188a14a80, 0x1af3301, 0x1ac9f80, 0xc188134038, 0x1aca300, 0x1aad160, 0x191cf8c, 0x7, 0xc18688fb00, ...)
	pkg/sentry/syscalls/linux/error.go:50 +0x497
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc188a14a80, 0x4, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:449 +0x3a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc188a14a80, 0x128, 0x4, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc188a14a80, 0x128, 0x4, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc188a15367)
	pkg/sentry/kernel/task_syscall.go:239 +0xba
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc188a14a80, 0x128, 0x4, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x139bdcb, 0x2d94dd4)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc188a14a80, 0x2, 0xc188a14a80)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc188a14a80, 0x1ac8260, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc188a14a80, 0x810)
	pkg/sentry/kernel/task_run.go:97 +0x398
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5